Cleanup listing for WikiProject Birds as of July 17, 2018.

Of the 20424 articles in this project 2213 or 11% are marked for cleanup, with 3124 issues in total.

Listings: Alphabetic By category CSV History

ArticleImportanceClassCount OldestIssues
1819 in birding and ornithologyLow Stub2 June 2015Sources lacking (June 2015), Introduction cleanup (June 2015)
1820 in birding and ornithologyLow Stub1 June 2018References needed (June 2018)
1821 in birding and ornithologyLow Stub2 June 2015Sources lacking (June 2015), Introduction cleanup (June 2015)
1822 in birding and ornithologyLow Stub2 June 2015Sources lacking (June 2015), Expansion needed (June 2015)
1858 in birding and ornithologyLow List1 October 2013Sources lacking (October 2013)
1859 in birding and ornithologyLow List1 October 2013Sources lacking (October 2013)
1865 in birding and ornithologyLow List1 November 2013Sources lacking (November 2013)
1866 in birding and ornithologyLow List1 October 2013Sources lacking (October 2013)
1867 in birding and ornithologyLow List1 October 2013Sources lacking (October 2013)
1980s in birding and ornithologyLow Start2 December 2013Expansion needed (December 2013), Incomplete lists (December 2013)
1995 in birding and ornithologyLow Stub1 December 2009Sources lacking (December 2009)
1996 in birding and ornithologyLow Start1 December 2009References needed (December 2009)
1997 in birding and ornithologyLow Stub1 December 2009Sources lacking (December 2009)
1998 in birding and ornithologyLow Start1 December 2009References needed (December 2009)
1999 in birding and ornithologyLow Stub1 December 2009References needed (December 2009)
2000 in birding and ornithologyLow Start1 December 2009References needed (December 2009)
2001 in birding and ornithologyLow Stub1 December 2009Sources lacking (December 2009)
2002 in birding and ornithologyLow Stub1 March 2009References needed (March 2009)
2003 in birding and ornithologyLow Stub1 December 2009References needed (December 2009)
2004 in birding and ornithologyLow Stub1 December 2009References needed (December 2009)
2005 in birding and ornithologyLow Start2 February 2009References needed (December 2009), Expansion needed (February 2009)
2007 in birding and ornithologyLow Stub1 September 2011Limited geographic scope (September 2011)
2011 in birding and ornithologyLow Stub1 September 2011Expansion needed (September 2011)
Aachen Lacquer Shield Owl pigeonLow Stub1 September 2010Sources lacking (September 2010)
AccipitridaeHigh C1 February 2011Clarification needed (February 2011)
AccipitriformesHigh Start3 2008Potentially dated statements (2008), Unsourced statements (June 2016, July 2016)
Acorn woodpeckerLow C1 September 2010In-text citations lacking (September 2010)
Adelaide International Bird Sanctuary National Park—Winaityinaityi PangkaraLow Stub1 May 2017Unsourced statements (May 2017)
AdzebillMid Start1 April 2007Unsourced statements (April 2007)
Adélie penguinLow Start2 June 2012Potentially dated statements (June 2012), Unsourced statements (April 2018)
Aegypius prepyrenaicusLow Stub1 April 2017In-text citations lacking (April 2017)
AethiaMid Start1 January 2013Factual verification needed (January 2013)
AethopygaMid Stub1 December 2012Sources lacking (December 2012)
African barbetHigh C1 May 2007Unsourced statements (May 2007)
African gooseLow Stub1 July 2013In-text citations lacking (July 2013)
African sacred ibisLow Start1 December 2017Unsourced statements (December 2017)
African stonechatLow Start1 May 2009Factual verification needed (May 2009)
African vulture tradeUnknown Start1 Reference errors
Agulhas long-billed larkLow Stub1 March 2016In-text citations lacking (March 2016)
AiolornisLow Stub1 September 2009In-text citations lacking (September 2009)
Ajoy HomeUnknown Start1 February 2017Unsourced statements (February 2017)
Alagoas curassowLow Start1 May 2014Unsourced statements (May 2014)
Alagoas foliage-gleanerLow Stub1 March 2012References needed (March 2012)
Alderney Bird ObservatoryLow Stub1 May 2016References needed (May 2016)
AlectorisMid Start1 March 2018Unsourced statements (March 2018)
Alexander Williams (artist)Low Stub2 January 2015Cleanup needed (January 2015, January 2015)
Alfred EzraLow Start1 Citation lacking title
Allan Octavian HumeLow B1 July 2017Dead external links {{dead link}} (July 2017)
Allen's hummingbirdLow Start1 August 2017Unsourced statements (August 2017)
Alpine leaf warblerLow Stub1 October 2013Unsourced statements (October 2013)
AltricialMid Start1 July 2014Page number citations needed (July 2014)
Alwin Karl HaagnerLow Stub1 December 2009Sources lacking (December 2009)
American Birding AssociationMid Start1 August 2013Reliable references lacking (August 2013)
American PekinLow Start4 April 2018Citation with bare URL, Citation lacking title, Factual verification needed (April 2018), Dead external links {{dead link}} (April 2018)
American Show RacerLow Stub2 June 2015Vague or ambiguous time (June 2015), Clarification needed (June 2015)
American cootLow B1 2018DOIs inactive (2018)
American flamingoLow B4 May 2014Unsourced statements (May 2014, December 2016), Citation with bare URL, Citation lacking title
American purple gallinuleLow Start1 March 2017Unsourced statements (March 2017)
American robinLow GA3 April 2015Unsourced statements (April 2015, May 2017), Dead external links {{dead link}} (July 2017)
American white pelicanLow B2 December 2008Factual verification needed (December 2008), Unsourced statements (December 2008)
American yellow warblerLow C1 July 2018Introduction cleanup (July 2018)
Amsterdam albatrossLow C1 October 2010Dead external links {{dead link}} (October 2010)
An Annotated Checklist of the Birds of the Oriental RegionLow Start1 December 2009Sources lacking (December 2009)
AnasMid Start1 October 2009Unsourced statements (October 2009)
AnatidaeHigh B3 January 2008Unsourced statements (January 2009, January 2008, November 2014)
AnatinaeMid Start1 September 2011References needed (September 2011)
Anatolian RingbeaterLow Stub1 August 2012Sources lacking (August 2012)
Ancient TumblerLow Stub1 June 2015Sources lacking (June 2015)
Ancona chickenLow Start1 May 2018Unsourced statements (May 2018)
Andaman crakeLow Stub1 Citation with accessdate and no URL
Andean gooseLow Start2 November 2013In-text citations lacking (November 2013), Unsourced statements (March 2018)
Andean ibisLow Start1 November 2016Dead external links {{dead link}} (November 2016)
Anderson InletLow Stub1 July 2017Dead external links {{dead link}} (July 2017)
Andrew J. GraysonLow Stub1 December 2009Sources lacking (December 2009)
AndrewsornisLow Stub1 January 2013Expansion needed (January 2013)
Andries HoogerwerfLow Stub1 October 2016Dead external links {{dead link}} (October 2016)
Anhinga walterbolesiLow Stub1 May 2014References needed (May 2014)
Anjouan sunbirdLow Stub1 October 2016Dead external links {{dead link}} (October 2016)
Anna's hummingbirdMid C1 April 2015Unsourced statements (April 2015)
AnodorhynchusMid C1 December 2013Unsourced statements (December 2013)
Anser (bird)Mid Start1 June 2008Unsourced statements (June 2008)
AnserinaeMid Start1 January 2013In-text citations lacking (January 2013)
Antarctic petrelMid Start2 November 2010Dead external links {{dead link}} (November 2010, October 2016)
Antarctic prionLow Start1 January 2010Unsourced statements (January 2010)
AntbirdHigh FA1 September 2017Dead external links {{dead link}} (September 2017)
Anthracite budgerigar mutationLow Stub2 July 2009References needed (July 2009), Dead external links {{dead link}} (October 2016)
AnthracocerosMid Stub1 May 2018Unsourced statements (May 2018)
Anting (bird activity)Mid Start2 February 2016Unsourced statements (February 2016), Dead external links {{dead link}} (January 2018)
Antipodes IslandsLow Start2 May 2013Unsourced statements (May 2013), References needed (May 2013)
AntpittaHigh Start1 May 2008References needed (May 2008)
Anwaruddin ChoudhuryLow C2 March 2012Unsourced statements (March 2012), Dead external links {{dead link}} (October 2016)
ApodiformesTop Start1 October 2016Dead external links {{dead link}} (October 2016)
Apovitellenin-1Low Stub1 October 2013Orphaned (October 2013)
Apricot-breasted sunbirdLow Stub1 October 2016Dead external links {{dead link}} (October 2016)
Aquatic Warbler Memorandum of UnderstandingLow C1 October 2016Dead external links {{dead link}} (October 2016)
Aquila chrysaetos simurghLow Stub1 February 2017Sources lacking (February 2017)
Arabian ostrichLow C3 June 2012Unsourced statements (June 2012, December 2017), Clarification needed (August 2017)
AracariMid Stub1 October 2016Dead external links {{dead link}} (October 2016)
Araucaria tit-spinetailLow Stub1 October 2016Dead external links {{dead link}} (October 2016)
Archaeospheniscus wimaniLow Stub1 October 2016Dead external links {{dead link}} (October 2016)
ArchaeotrogonidaeLow Stub1 January 2017References needed (January 2017)
ArchosaurLow C5 February 2007Unsourced statements (February 2007, January 2014, April 2017, December 2017), Weasel-worded phrases (January 2016)
ArdennaiseLow Stub1 October 2016Dead external links {{dead link}} (October 2016)
Arfak honeyeaterLow Stub1 October 2016Dead external links {{dead link}} (October 2016)
ArgentavisLow C1 February 2012Unsourced statements (February 2012)
Argus (bird)Mid Stub1 December 2009Sources lacking (December 2009)
ArkaroolaLow Start1 July 2017Dead external links {{dead link}} (July 2017)
Armenian TumblerLow Stub3 January 2010Cleanup needed (January 2010, January 2010), Sources lacking (September 2012)
Arnold BeningtonLow Stub1 September 2016Orphaned (September 2016)
Arthur Cox (ornithologist)Low Stub1 July 2017Dead external links {{dead link}} (July 2017)
Arthur Edward OsmastonLow Stub1 February 2013In-text citations lacking (February 2013)
Arthur MattingleyLow Stub1 December 2009Sources lacking (December 2009)
Ash's larkLow Stub1 November 2015References needed (November 2015)
Ash-throated flycatcherLow Start1 March 2009Unsourced statements (March 2009)
Ashmore and Cartier IslandsLow Start3 August 2013Unsourced statements (August 2013, April 2014), Clarification needed (April 2014)
Ashy-throated parrotbillLow Stub1 May 2009Factual verification needed (May 2009)
Asian brown flycatcherLow Start1 October 2007Unsourced statements (October 2007)
Asian koelMid C1 October 2017Weasel-worded phrases (October 2017)
Asian ostrichLow Stub1 February 2010References needed (February 2010)
Asil chickenLow Start3 August 2010References needed (August 2010), Style editing needed (June 2016), Unsourced statements (March 2018)
Association of European Rarities CommitteesMid Stub1 October 2016References needed (October 2016)
Atitlán grebeLow Start1 January 2010In-text citations lacking (January 2010)
Atlantic FlywayMid Start1 April 2009References needed (April 2009)
Atlantic canaryLow Start1 January 2014References needed (January 2014)
AtlapetesMid Stub1 December 2011Sources lacking (December 2011)
Atlas of Australian BirdsMid C2 December 2011Unsourced statements (December 2011), Archiveurl citation error
Auckland IslandsLow C2 2008Potentially dated statements (2008, 2014)
Auckland railLow Start1 March 2009Unsourced statements (March 2009)
Audubon Society of Western PennsylvaniaLow Start2 September 2010Promotional tone (September 2010), Vague or ambiguous time (February 2011)
Audubon's orioleLow Start1 February 2010In-text citations lacking (February 2010)
August SpennemannLow Stub1 February 2009Orphaned (February 2009)
Austin RobertsLow Stub1 August 2014References needed (August 2014)
Australasian gannetLow Start1 Citation using unnamed parameter
Australasian treecreeperHigh Start1 March 2013In-text citations lacking (March 2013)
Australian AlpsLow Start1 December 2007References needed (December 2007)
Australian Bird and Bat Banding SchemeLow Stub1 February 2018References needed (February 2018)
Australian LangshanLow Stub2 July 2014In-text citations lacking (July 2014), Sources lacking (June 2018)
Australian SpottedLow Stub1 May 2009Sources lacking (May 2009)
Australian hobbyLow C2 June 2016Clarification needed (June 2016), Dead external links {{dead link}} (October 2016)
Australian owlet-nightjarLow Start1 May 2009Unsourced statements (May 2009)
AustralorpLow Start4 May 2010In-text citations lacking (May 2010), Unsourced statements (August 2014), Dead external links {{dead link}} (October 2016), Reliable references lacking (June 2018)
Avian bornavirusLow Start1 May 2017References needed (May 2017)
Avian ecology field methodsMid Start1 April 2007Sources lacking (April 2007)
Avian malariaLow Start1 May 2008Unsourced statements (May 2008)
Avian reovirusLow C3 November 2014Expert attention needed (November 2014), Too technical (November 2014)
AviaryLow Start1 October 2011Incomplete lists (October 2011)
AvicideLow Stub1 November 2015Unsourced statements (November 2015)
AvicultureHigh C3 July 2008References needed (July 2008), Limited geographic scope (June 2017), Unsourced statements (May 2018)
AviornisLow Stub4 February 2012Sources lacking (February 2012), Unsourced statements (February 2012), Notability unclear (February 2012), Orphaned (March 2012)
Ayam CemaniLow Start2 August 2014References needed (August 2014), Unsourced statements (May 2018)
Ayam KeduLow Stub2 August 2014Unsourced statements (August 2014), References needed (August 2014)
Ayam PelungLow Stub1 November 2011References needed (November 2011)
Aylesbury duckLow FA1 2015Potentially dated statements (2015)
AythyaMid Stub1 February 2008Factual verification needed (February 2008)
Azores wood pigeonLow Start3 November 2011References needed (March 2012), Expert attention needed (November 2011)
Bachman's warblerLow Start1 May 2015Disputed statements (May 2015)
Bagobo babblerMid Stub1 May 2009Factual verification needed (May 2009)
Bald IslandLow Start1 October 2016Dead external links {{dead link}} (October 2016)
Balearic shearwaterLow Start1 February 2007Unsourced statements (February 2007)
BalearicaMid Stub1 September 2014References needed (September 2014)
Bali mynaLow Start1 March 2016Unsourced statements (March 2016)
Band-tailed pigeonLow Start1 September 2017Limited geographic scope (September 2017)
Band-winged nightjarLow Stub1 October 2016Unsourced statements (October 2016)
Bank cormorantLow Start1 December 2009In-text citations lacking (December 2009)
Bantam (poultry)Mid Start1 May 2013References needed (May 2013)
Bar-headed gooseLow Start5 February 2010Unsourced statements (February 2010, March 2011, September 2016), References needed (July 2015), Clarification needed (February 2013)
Bar-shouldered doveLow Start1 November 2011In-text citations lacking (November 2011)
Barbara SnowMid Start1 March 2011Incomplete lists (March 2011)
Barbary doveLow Start2 August 2017Dead external links {{dead link}} (August 2017), Unsourced statements (February 2018)
Barbu d'UccleLow Stub2 February 2016Unsourced statements (February 2016, December 2017)
Bardsey Bird and Field ObservatoryLow Stub1 May 2014References needed (May 2014)
Barking owlLow Start1 May 2014References needed (May 2014)
Barn owlLow FA1 August 2017Update needed (August 2017)
Barn-owlHigh Start1 June 2014Unsourced statements (June 2014)
Barnes' astrapiaLow Stub1 July 2012Unsourced statements (July 2012)
BarnevelderLow Stub1 May 2017Unsourced statements (May 2017)
Barred buttonquailLow Start1 April 2017Unsourced statements (April 2017)
Barred forest falconLow Start1 March 2008Factual verification needed (March 2008)
Barred parakeetMid Start3 June 2008Unsourced statements (June 2008, October 2010, April 2010)
Barred tinamouLow Stub1 February 2009Unsourced statements (February 2009)
Barrington Tops National ParkLow Start2 January 2010Unsourced statements (January 2010), Dead external links {{dead link}} (October 2016)
Barrow's goldeneyeLow Start1 October 2016Dead external links {{dead link}} (October 2016)
Bathoceleus hyphalusLow Stub2 June 2010Unsourced statements (June 2010), References needed (June 2010)
BathornisLow Start1 Citation lacking title
Battery cageMid C4 September 2009Expansion needed (September 2009), Unsourced statements (February 2015, March 2018), Vague or ambiguous time (March 2018)
Baudo guanLow Start1 April 2017Unsourced statements (April 2017)
Baya weaverLow B1 October 2016Dead external links {{dead link}} (October 2016)
Bean gooseLow Start1 April 2011Expansion needed (April 2011)
Bear Island (Norway)Low B4 September 2010Dead external links {{dead link}} (September 2010, September 2017), Unsourced statements (February 2011), Failed verification (February 2011)
Bearded reedlingHigh Start1 October 2016Dead external links {{dead link}} (October 2016)
Beauchene IslandLow Stub2 July 2010Unsourced statements (July 2010), Clarification needed (May 2015)
Bee hummingbirdLow Start1 May 2017Page number citations needed (May 2017)
BekisarLow Start1 November 2010In-text citations lacking (November 2010)
Belum-TemengorLow Start1 Coordinates needed
Benguela long-billed larkLow Stub1 October 2016Dead external links {{dead link}} (October 2016)
Bergische SchlotterkammLow Start1 January 2017Unsourced statements (January 2017)
Bermuda petrelLow Start1 March 2016Unsourced statements (March 2016)
Bertel BruunLow Start1 September 2011References needed (September 2011)
Bewick's wrenMid Start1 October 2007Unsourced statements (October 2007)
Bielefelder KennhuhnLow Stub2 April 2015Expansion needed (April 2015), Sources lacking (April 2015)
Bijeljina RollerLow Stub1 November 2013Sources lacking (November 2013)
Bill LishmanLow B1 2017Potentially dated statements (2017)
Bill OddieLow C3 January 2010Unsourced statements (January 2010, May 2010), Citation with accessdate and no URL
BinocularsMid C4 August 2008Unsourced statements (August 2008, January 2012), Citation with bare URL, Citation lacking title
Bird Island Nature ReserveLow Start1 July 2017Dead external links {{dead link}} (July 2017)
Bird Protection QuebecLow Stub2 November 2010Reliable references lacking (November 2010), In-text citations lacking (November 2010)
Bird Studies CanadaLow Stub1 August 2014References needed (August 2014)
Bird anatomyTop B1 April 2013Unsourced statements (April 2013)
Bird bathMid Start4 September 2017References needed (September 2017), Cleanup needed (September 2017), Style editing needed (September 2017), Unsourced statements (December 2017)
Bird controlLow Stub1 December 2009References needed (December 2009)
Bird eggMid Start1 December 2012Unsourced statements (December 2012)
Bird feedingHigh Start1 November 2010Unsourced statements (November 2010)
Bird flightTop C4 April 2009Unsourced statements (April 2009), Cleanup needed (September 2015, September 2015), Dead external links {{dead link}} (May 2017)
Bird foodLow Start2 January 2010Style editing needed (January 2010), Clarification needed (October 2012)
Bird food plantsLow Stub1 May 2013In-text citations lacking (May 2013)
Bird ichnologyMid Start1 November 2015In-text citations lacking (November 2015)
Bird intelligenceHigh B3 April 2011Unsourced statements (September 2015, April 2011), Clarification needed (July 2011)
Bird migrationTop GA1 December 2017Dead external links {{dead link}} (December 2017)
Bird nettingLow Stub1 September 2015Reliable references lacking (September 2015)
Bird observatoryMid Start1 October 2012Sources lacking (October 2012)
Bird of preyTop C2 April 2017Spam cleanup (April 2017), External link cleanup {{external links}} (April 2017)
Bird rarities committeeMid Stub1 November 2007Sources lacking (November 2007)
Bird ringingHigh B4 July 2014Unsourced statements (February 2015), Clarification needed (July 2014), Limited geographic scope (February 2015), Dead external links {{dead link}} (November 2016)
Bird scarerLow Start3 June 2009References needed (June 2009), In-text citations lacking (June 2009), Unsourced statements (November 2017)
Bird strikeMid B5 January 2009Unsourced statements (January 2009, November 2010), Dead external links {{dead link}} (July 2017, September 2017), Trivia sections (August 2017)
Bird trappingLow Start2 February 2011Factual verification needed (February 2011), Style editing needed (January 2014)
Bird visionHigh B3 December 2014Unsourced statements (September 2015, December 2014), Dead external links {{dead link}} (July 2017)
Bird vocalizationTop B2 September 2011Expansion needed (September 2011), Dead external links {{dead link}} (July 2017)
Bird-of-paradiseHigh C1 June 2008Unsourced statements (June 2008)
BirdLife AustraliaLow Stub1 September 2015References needed (September 2015)
BirdLife InternationalHigh Start1 August 2015Reliable references lacking (August 2015)
BirdLife MaltaLow Stub2 November 2010References needed (November 2010), Reliable references lacking (November 2010)
BirdcageLow Start1 January 2014Sources lacking (January 2014)
Birding BusinessLow Stub1 December 2012References needed (December 2012)
Birdland Park and GardensLow Start5 April 2011Unsourced statements (April 2011, April 2017), Citation with bare URL, Citation lacking title, Weasel-worded phrases (April 2017)
BirdlimeLow Stub2 September 2014Unsourced statements (September 2014), Citation with accessdate and no URL
Birds (advertisement)Low Stub1 September 2010Orphaned (September 2010)
Birds Australia Northern NSWLow Stub1 December 2009Sources lacking (December 2009)
Birds DirectiveLow Stub1 April 2009Sources lacking (April 2009)
Birds of AustraliaHigh Start1 March 2013In-text citations lacking (March 2013)
Birds of CornwallLow Start2 2012Potentially dated statements (2012), Factual verification needed (January 2017)
Birds of Vermont MuseumLow Start1 March 2018In-text citations lacking (March 2018)
Birdwatch (magazine)Low Stub1 May 2011References needed (May 2011)
BirdwatchingHigh B1 February 2010Original research (February 2010)
Bird–skyscraper collisionsLow Stub2 October 2015References needed (October 2015), Reliable references lacking (October 2015)
Bishop's ʻōʻōLow Start2 March 2015Factual verification needed (March 2015), Unsourced statements (June 2018)
BiziuraMid Start1 March 2013In-text citations lacking (March 2013)
Black brantLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Black bulbulLow Start1 November 2016Dead external links {{dead link}} (November 2016)
Black drongoLow GA2 July 2017Dead external links {{dead link}} (July 2017, September 2017)
Black grouseMid Start1 September 2010References needed (September 2010)
Black hornbillLow Stub1 2017DOIs inactive (2017)
Black kiteMid C2 July 2010Unsourced statements (July 2010), Dead external links {{dead link}} (July 2017)
Black larkLow Start1 July 2016Unsourced statements (July 2016)
Black loryMid Start1 September 2012Unsourced statements (September 2012)
Black mamoLow Stub1 January 2009References needed (January 2009)
Black robinMid Start1 June 2014Unsourced statements (June 2014)
Black swanMid C1 November 2016Dead external links {{dead link}} (November 2016)
Black-bellied bustardLow Start1 August 2017Dead external links {{dead link}} (August 2017)
Black-breasted pufflegLow Stub1 September 2016In-text citations lacking (September 2016)
Black-capped chickadeeLow C2 April 2016Citation with accessdate and no URL, Unsourced statements (April 2016)
Black-capped tinamouLow Start1 July 2017Dead external links {{dead link}} (July 2017)
Black-capped white-eyeLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Black-chested snake eagleLow Stub2 June 2013References needed (June 2013), In-text citations lacking (June 2013)
Black-collared starlingLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Black-crowned babblerLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Black-eared wheatearLow Start1 December 2010References needed (December 2010)
Black-faced grassquitLow Stub1 November 2010In-text citations lacking (November 2010)
Black-faced ibisLow Start1 November 2016Dead external links {{dead link}} (November 2016)
Black-faced laughingthrushLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Black-faced spoonbillLow Start1 July 2017Dead external links {{dead link}} (July 2017)
Black-footed albatrossLow B1 July 2017Dead external links {{dead link}} (July 2017)
Black-headed parrotLow Start1 February 2017References needed (February 2017)
Black-necked swanLow Start1 September 2012Factual verification needed (September 2012)
Black-striped sparrowLow Start1 September 2014In-text citations lacking (September 2014)
Black-tailed tityraLow Start1 March 2008Unsourced statements (March 2008)
Black-throated parrotbillLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Black-throated priniaLow Stub2 February 2014Sources lacking (February 2014), Reliable references lacking (May 2017)
Black-throated wrenLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Black-whiskered vireoLow Start1 November 2010In-text citations lacking (November 2010)
Black-winged saltatorLow Stub2 November 2016Dead external links {{dead link}} (November 2016, January 2017)
Black-winged stiltLow Start1 March 2013References needed (March 2013)
Blackburnian warblerLow Start1 September 2016Unsourced statements (September 2016)
Blackpoll warblerLow Start1 April 2015Unsourced statements (April 2015)
Blakeney PointMid FA1 November 2016Dead external links {{dead link}} (November 2016)
Blasius MerremLow Stub1 July 2013References needed (July 2013)
Bloedel Floral ConservatoryLow Start1 May 2014Promotional tone (May 2014)
Blossom-headed parakeetLow Start1 December 2017References needed (December 2017)
Blue Foot chickenLow Stub4 August 2014Promotional tone (August 2014), Notability unclear (August 2014), In-text citations lacking (August 2014), Conflict of interest (August 2014)
Blue jayLow B1 December 2012Unsourced statements (December 2012)
Blue pigeonMid Start1 September 2012Introduction cleanup (September 2012)
Blue-bearded bee-eaterLow C1 November 2016Dead external links {{dead link}} (November 2016)
Blue-headed macawLow Start1 November 2016Dead external links {{dead link}} (November 2016)
Blue-headed racket-tailLow Stub1 December 2016Unsourced statements (December 2016)
Blue-throated mountaingemLow Start1 May 2016References needed (May 2016)
Blue-winged kookaburraLow Start1 March 2012Unsourced statements (March 2012)
Blue-winged tealLow Start4 November 2011Unsourced statements (November 2011), Clarification needed (November 2011), Citation lacking title, CS1 errors: dates
Bluebird of happinessLow Start1 October 2007References needed (October 2007)
Boatswain Bay Migratory Bird SanctuaryLow Stub1 October 2010Dead external links {{dead link}} (October 2010)
Bob Spear (naturalist)Low Start2 March 2012Reference cleanup (March 2012), In-text citations lacking (March 2018)
BobolinkMid Start2 July 2010Unsourced statements (July 2010, December 2013)
Bocage's bushshrikeLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Bohemian Fairy Swallow pigeonLow Stub1 August 2012Sources lacking (August 2012)
BokmakierieMid Start1 May 2012In-text citations lacking (May 2012)
Bonelli's eagleLow Start1 January 2016Unsourced statements (January 2016)
Book of Indian BirdsLow Stub1 March 2012Unsourced statements (March 2012)
Boolcoomatta ReserveLow Start1 September 2015Unsourced statements (September 2015)
Booted eaglesUnknown Unassessed2 May 2018Weasel-worded phrases (May 2018), Unsourced statements (May 2018)
Booted warblerLow Stub1 October 2010References needed (October 2010)
Bornean frogmouthLow Stub1 September 2017Weasel-worded phrases (September 2017)
Bougainville thicketbirdLow Stub1 Reference errors
Bouvet IslandLow B1 December 2017Unsourced statements (December 2017)
BowerbirdHigh Start5 April 2007Unsourced statements (April 2007, June 2010, April 2014), CS1 errors: dates, Weasel-worded phrases (March 2016)
BrabanterLow Stub1 August 2014References needed (August 2014)
Bradley C. LivezeyLow Stub1 February 2011In-text citations lacking (February 2011)
BradypterusMid Start1 July 2017Dead external links {{dead link}} (July 2017)
BraekelLow Stub1 August 2017References needed (August 2017)
Brahma chickenLow Start1 July 2013Unsourced statements (July 2013)
BramblingMid Start1 February 2016Unsourced statements (February 2016)
Brant (goose)Low Start1 September 2010References lacking (September 2010)
BrantaMid Start1 February 2007Unsourced statements (February 2007)
Brazilian merganserLow Start4 January 2009In-text citations lacking (January 2009), Unsourced statements (June 2009), Weasel-worded phrases (June 2009), Dead external links {{dead link}} (November 2016)
Breeding bird surveyLow Start1 July 2009References needed (July 2009)
Bresse GauloiseLow Start1 October 2014Expansion needed (October 2014)
BristlebirdHigh Start1 July 2012Unsourced statements (July 2012)
British finchesLow Start1 January 2018Unsourced statements (January 2018)
Broad-billed prionLow Start2 July 2009Unsourced statements (July 2009, January 2010)
Broad-billed sandpiperLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Broad-winged hawkLow Start2 October 2011Reliable references lacking (October 2011), Unsourced statements (October 2011)
BroadbillMid Start1 November 2016Dead external links {{dead link}} (November 2016)
BroilerLow C1 January 2014Unsourced statements (January 2014)
Bronze turkeyLow Start1 February 2009Limited geographic scope (February 2009)
Bronze-winged jacanaMid Start1 September 2012References needed (September 2012)
Bronzewing pigeonLow Start1 March 2013In-text citations lacking (March 2013)
Brood parasiteMid C2 April 2018Unsourced statements (April 2018, May 2018)
Brood patchLow Stub2 October 2016References needed (October 2016), Unsourced statements (October 2016)
BroodinessLow C1 November 2014Unsourced statements (November 2014)
Brown bullfinchLow Stub1 December 2010Unsourced statements (December 2010)
Brown falconLow Stub1 May 2016References needed (May 2016)
Brown fish owlLow Start2 June 2009Factual verification needed (June 2009), Dead external links {{dead link}} (May 2017)
Brown hawk-owlLow Start1 November 2016Dead external links {{dead link}} (November 2016)
Brown parrotbillLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Brown songlarkLow B1 November 2016Dead external links {{dead link}} (November 2016)
Brown tealLow Start1 October 2014Expansion needed (October 2014)
Brown thrasherLow GA1 November 2016Dead external links {{dead link}} (November 2016)
Brown-backed parrotletLow Stub1 January 2012Unsourced statements (January 2012)
Brown-capped laughingthrushLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Brown-cheeked fulvettaLow Start1 July 2007Factual verification needed (July 2007)
Brown-eared bulbulLow Start1 August 2016Unsourced statements (August 2016)
Brown-headed parrotLow Start1 July 2008Unsourced statements (July 2008)
Brown-winged parrotbillLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Brumlow TopLow Start1 April 2013Unsourced statements (April 2013)
Bruny IslandLow Start1 December 2014Unsourced statements (December 2014)
BubulcusMid Stub1 October 2017Sources lacking (October 2017)
BudgerigarMid C3 July 2008Unsourced statements (July 2008, November 2012, August 2015)
Budgerigar colour geneticsLow Start1 February 2008In-text citations lacking (February 2008)
Buff-collared nightjarLow Stub3 October 2009In-text citations lacking (October 2009), Unsourced statements (June 2011), Citation with accessdate and no URL
Buller's shearwaterLow Start2 January 2009In-text citations lacking (January 2009), Factual verification needed (January 2009)
BullfinchLow Start3 June 2011Unsourced statements (August 2013), Cleanup needed (June 2011, June 2011)
BullockornisMid Stub1 December 2013Unsourced statements (December 2013)
Bulwer's petrelLow Start1 December 2016Unsourced statements (December 2016)
Bulwer's pheasantLow Start1 November 2011References needed (November 2011)
Bumblebee hummingbirdLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Bumblefoot (infection)Low Start1 March 2015Unsourced statements (March 2015)
Burchell's sandgrouseLow Start1 August 2017Dead external links {{dead link}} (August 2017)
Burford BrownLow Stub1 April 2018Notability unclear (April 2018)
Burmese chickenLow Stub1 July 2016Unsourced statements (July 2016)
Burrowing owlLow B1 May 2018Failed verification (May 2018)
Bursa TumblerLow Stub1 August 2012Sources lacking (August 2012)
Burt MonroeLow Stub2 April 2012Unsourced statements (April 2012), Sources lacking (April 2012)
Buru white-eyeLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
BustardHigh Start1 April 2013Unsourced statements (April 2013)
Buteo sanyaLow Stub1 February 2017Unsourced statements (February 2017)
Bylot Island Migratory Bird SanctuaryLow Stub1 October 2010Dead external links {{dead link}} (October 2010)
C. G. Finch-DaviesLow Start1 September 2012Unsourced statements (September 2012)
CacatuinaeLow Stub1 December 2012Sources lacking (December 2012)
CacatuiniMid Stub1 December 2012Sources lacking (December 2012)
Cacique (bird)Mid Start1 September 2014Unsourced statements (September 2014)
CalidridMid C2 February 2007Unsourced statements (February 2007), Dead external links {{dead link}} (November 2016)
California GrayLow Stub1 August 2014Unsourced statements (August 2014)
California scrub jayMid C3 July 2008Unsourced statements (July 2008), Web citation with no URL, References needed (June 2015)
Calliope hummingbirdLow Start1 March 2015Unsourced statements (March 2015)
Cambodian tailorbirdLow Start1 June 2013Expansion needed (June 2013)
CampetheraMid Stub1 Citation with accessdate and no URL
Campine chickenLow Start1 August 2014Unsourced statements (August 2014)
CampylorhynchusMid Stub1 December 2009Sources lacking (December 2009)
Canada gooseMid C3 February 2011Unsourced statements (May 2012, February 2011, January 2017)
Canada warblerLow Start2 Web citation with no URL, Citation with accessdate and no URL
Canary Islands oystercatcherLow B2 July 2007Factual verification needed (July 2007), Dead external links {{dead link}} (July 2017)
CandlingLow Stub2 May 2014Unsourced statements (May 2014), References needed (June 2014)
Cantabrian capercaillieLow Start2 November 2011Unsourced statements (November 2011), Dead external links {{dead link}} (November 2016)
Cape Barren gooseLow Start1 December 2009In-text citations lacking (December 2009)
Cape May Bird ObservatoryLow Start1 November 2016References needed (November 2016)
Cape grassbirdMid Start1 November 2016Dead external links {{dead link}} (November 2016)
Cape parrotMid Start3 July 2011Disputed statements (July 2011), Unsourced statements (December 2013), Dead external links {{dead link}} (November 2016)
Cape petrelMid C2 October 2011Unsourced statements (October 2011), Dead external links {{dead link}} (November 2016)
Cape spurfowlLow Stub1 April 2011In-text citations lacking (April 2011)
CapitonidesLow Stub1 October 2015References needed (October 2015)
CaprimulgiformesTop Start1 July 2008References needed (July 2008)
Carajás woodcreeperLow Stub1 February 2013Sources lacking (February 2013)
Cardinal loryLow Start1 April 2009Unsourced statements (April 2009)
Carnac IslandLow Start1 May 2018Unsourced statements (May 2018)
Carolina Bird ClubLow Stub1 May 2015References needed (May 2015)
Carolina chickadeeLow Start1 October 2013In-text citations lacking (October 2013)
Carolina parakeetMid C5 February 2007Unsourced statements (February 2007, September 2017), References needed (January 2014), URL error, Weasel-worded phrases (September 2017)
Carrion crowLow Start1 November 2010Unsourced statements (November 2010)
Caruncle (bird anatomy)Mid Start1 November 2016Dead external links {{dead link}} (November 2016)
Caspian titLow Stub1 March 2018Unsourced statements (March 2018)
CassowaryMid C2 November 2014Unsourced statements (November 2014), Page number citations needed (January 2015)
Casuarius lydekkeriLow Stub1 January 2017References needed (January 2017)
Catalan Ornithological InstituteLow Stub1 August 2008Reliable references lacking (August 2008)
CatenoleimusLow Stub1 October 2007Factual verification needed (October 2007)
Cauchois pigeonLow Stub1 August 2012Sources lacking (August 2012)
Celeus (bird)Mid Stub1 Citation with accessdate and no URL
CentrocercusMid Start2 May 2015References needed (May 2015), Introduction cleanup (May 2015)
CeramornisLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Cetti's warblerLow Start1 July 2015Unsourced statements (July 2015)
Challenger (eagle)Low Stub2 March 2011Clarification needed (March 2011), Unsourced statements (December 2016)
Chamicero de PerijáLow Stub1 Coordinates needed
Chandler RobbinsMid C1 2015Potentially dated statements (2015)
Changeable hawk-eagleLow C2 August 2017Detailed references needed, Dead external links {{dead link}} (August 2017)
ChangzuiornisLow Stub1 November 2017Expansion needed (November 2017)
CharadriiformesTop Start4 April 2007Unsourced statements (April 2007, September 2013), Dead external links {{dead link}} (November 2016, July 2017)
Chari-Dhand Wetland Conservation ReserveLow Start2 January 2011Expansion needed (January 2011), Dead external links {{dead link}} (November 2016)
Charles SibleyLow Start1 October 2015References needed (October 2015)
Charles TunnicliffeLow Start1 August 2008Incomplete lists (August 2008)
Charles Walter De VisLow Start1 December 2010Unsourced statements (December 2010)
Charles WatertonMid Start1 December 2013Reliable references lacking (December 2013)
Charlie (parrot)Low Stub1 March 2011In-text citations lacking (March 2011)
CharmosynaMid Stub1 February 2018Expansion needed (February 2018)
Chat (bird)Mid Start3 December 2009Sources lacking (December 2009), Clarification needed (February 2010), Vague or ambiguous time (February 2010)
Chatham albatrossLow Start1 November 2016Dead external links {{dead link}} (November 2016)
ChaunoidesLow Stub1 June 2018Sources lacking (June 2018)
Chen (genus)Mid Stub1 February 2007Unsourced statements (February 2007)
Cher AmiLow Start1 May 2011Factual verification needed (May 2011)
Cherry-throated tanagerLow Start1 November 2016Dead external links {{dead link}} (November 2016)
Chestnut-bellied cuckooLow Stub1 November 2011Unsourced statements (November 2011)
Chestnut-bellied seed finchLow Stub1 January 2018Unsourced statements (January 2018)
Chestnut-crowned laughingthrushLow Stub1 November 2016Dead external links {{dead link}} (November 2016)
Chestnut-faced babblerLow Start1 November 2016Dead external links {{dead link}} (November 2016)
Chestnut-fronted macawLow Start1 November 2015Unsourced statements (November 2015)
Chestnut-headed bee-eaterLow Start1 July 2009References needed (July 2009)
Chestnut-headed oropendolaLow Stub1 March 2012References needed (March 2012)
Chestnut-headed tesiaLow Stub1 May 2009Factual verification needed (May 2009)
Chestnut-mandibled toucanMid Start1 December 2009Expansion needed (December 2009)
Chick cullingLow Start1 June 2016Vague or ambiguous time (June 2016)
ChickcharneyLow Stub2 February 2012Sources lacking (February 2012), Rewrite needed (April 2018)
Chicken coopLow Start2 October 2013Cleanup needed (October 2013, October 2013)
Chicken tractorLow Start1 April 2009In-text citations lacking (April 2009)
Chickenhawk (bird)Low Start1 September 2013References needed (September 2013)
Chilean hawkLow Start1 October 2008Factual verification needed (October 2008)
Chiltern-Mt Pilot National ParkLow B2 August 2014Unsourced statements (August 2014), Dead external links {{dead link}} (August 2017)
China–Australia Migratory Bird AgreementLow Stub2 June 2008References needed (June 2008), Sources lacking (November 2016)
Chipping sparrowLow Start1 November 2017References needed (November 2017)
Chocolate-vented tyrantLow Stub1 November 2011Unsourced statements (November 2011)
ChondrohieraxMid Stub3 September 2016Unsourced statements (September 2016), Weasel-worded phrases (September 2016), Vague or ambiguous time (September 2016)
ChoughMid GA1 August 2017Dead external links {{dead link}} (August 2017)
Chris MeadLow Start1 February 2011Incomplete lists (February 2011)
Chris PerrinsLow Stub4 July 2016Potentially dated statements (2016), Unsourced statements (July 2016, February 2018), Vague or ambiguous time (February 2018)
Christian JouaninLow Start1 May 2010BLP articles lacking sources (May 2010)
ChrysothlypisMid Stub1 June 2011Sources lacking (June 2011)
CinclodesMid Stub1 August 2017In-text citations lacking (August 2017)
Cinereous tinamouLow Start2 February 2009Unsourced statements (February 2009), Dead external links {{dead link}} (November 2016)
Cinereous vultureLow Start1 August 2017Unsourced statements (August 2017)
CircaetinaeMid Stub1 December 2009Sources lacking (December 2009)
Cirl buntingLow Start1 February 2018Unsourced statements (February 2018)
Citreoline trogonLow Stub1 April 2017Unsourced statements (April 2017)
Citril finchLow Start2 May 2009Factual verification needed (May 2009), Dead external links {{dead link}} (August 2017)
Citron-crested cockatooMid Start1 November 2013References needed (November 2013)
Clapper railLow Start1 November 2010In-text citations lacking (November 2010)
Clearwing budgerigar mutationLow Start1 Citation lacking title
Clive ByersLow Stub1 March 2009BLP articles lacking sources (March 2009)
CloacaMid Start2 February 2013Detailed references needed, Unsourced statements (February 2013)
Cloud-forest pygmy owlLow Stub1 December 2017Clarification needed (December 2017)
Cnemial crestLow Stub1 September 2011Sources lacking (September 2011)
Coal titMid C2 May 2009Factual verification needed (May 2009, September 2009)
Cobalt-winged parakeetLow Stub1 August 2017Dead external links {{dead link}} (August 2017)
Coburg Lark pigeonLow Stub1 August 2012Sources lacking (August 2012)
Cochin chickenLow Start1 August 2014Unsourced statements (August 2014)
CochoaMid Stub1 September 2010Unsourced statements (September 2010)
CockatielMid C1 November 2015Unsourced statements (November 2015)
Cockatiel (aviculture)Mid C4 August 2007Detailed references needed, Unsourced statements (February 2009, November 2007, August 2007)
Cockatiel colour geneticsLow C5 February 2007References needed (July 2008), Style editing needed (July 2008), Expert attention needed (March 2009), Unsourced statements (February 2007)
CockfightMid C3 October 2014Unsourced statements (October 2014), Citation with accessdate and no URL, CS1 errors: dates
Coenraad Jacob TemminckLow Start1 February 2011Incomplete lists (February 2011)
Coffin Bay National ParkLow Start2 February 2014References needed (February 2014), Dead external links {{dead link}} (December 2017)
ColaptesMid Start1 January 2016Unsourced statements (January 2016)
Colin BradshawLow Start1 August 2014Unsourced statements (August 2014)
Collared nightjarMid Stub1 June 2016Unsourced statements (June 2016)
Cologne TumblerLow Stub1 August 2012Sources lacking (August 2012)
ColumbidaeTop GA1 November 2017Unsourced statements (November 2017)
Columbina (genus)Mid Stub1 February 2018In-text citations lacking (February 2018)
Common bush tanagerLow Start1 December 2008Unsourced statements (December 2008)
Common buzzardMid Start3 May 2011Unsourced statements (September 2011, May 2011, March 2016)
Common craneLow C1 May 2015Unsourced statements (May 2015)
Common cuckooMid C1 August 2015Clarification needed (August 2015)
Common grackleLow Start1 April 2015Unsourced statements (April 2015)
Common green magpieLow Start1 July 2017References needed (July 2017)
Common kestrelLow B2 January 2009Unsourced statements (January 2009), Dead external links {{dead link}} (August 2017)
Common linnetLow Start1 November 2011Limited geographic scope (November 2011)
Common murreLow B3 January 2012Unsourced statements (January 2012, September 2014, May 2013)
Common mynaLow C1 November 2010Unsourced statements (November 2010)
Common nightingaleMid Start1 August 2013References needed (August 2013)
Common ostrichTop B2 November 2013Unsourced statements (December 2013), Page number citations needed (November 2013)
Common pheasantLow C2 March 2009Factual verification needed (March 2009), Unsourced statements (May 2014)
Common potooLow Stub1 January 2010In-text citations lacking (January 2010)
Common quailLow Start1 Detailed references needed
Common raven physiologyLow Start2 March 2014Expert attention needed (March 2014)
Common rosefinchLow Stub1 January 2016Unsourced statements (January 2016)
Common starlingMid FA1 September 2017Dead external links {{dead link}} (September 2017)
Common swiftMid Start2 May 2013Unsourced statements (May 2013), Weasel-worded phrases (October 2016)
Communal roostingLow C1 March 2018Merge needed (March 2018)
Companion parrotMid Start3 September 2010References needed (September 2010), Unsourced statements (December 2010, August 2011)
CondorMid Start2 May 2016Unsourced statements (May 2016, March 2017)
Conspectus of the ornithological fauna of the USSRLow Stub1 August 2008Incomplete lists (August 2008)
ConureMid Start3 March 2009References needed (June 2009), Cleanup needed (March 2009, March 2009)
Convention on the Conservation of Migratory Species of Wild AnimalsLow Start1 February 2017References needed (February 2017)
Cook's petrelLow Start1 November 2011Unsourced statements (November 2011)
Cookie (cockatoo)Low Start1 August 2017Dead external links {{dead link}} (August 2017)
Cooper's hawkLow Start1 February 2017Unsourced statements (February 2017)
Coopmans's tyrannuletLow Stub1 November 2017References needed (November 2017)
Coorong National ParkLow Start1 December 2016Unsourced statements (December 2016)
CootMid Start2 July 2010References needed (July 2010), Unsourced statements (July 2016)
Cora Hartshorn Arboretum and Bird SanctuaryLow Start2 July 2016Style editing needed (July 2016), Promotional tone (July 2016)
CoraciiformesHigh C1 May 2007Unsourced statements (May 2007)
Cordilleran flycatcherLow Stub1 June 2008Unsourced statements (June 2008)
Coringa-Herald National Nature ReserveLow Stub1 July 2015Update needed (July 2015)
CormorantHigh B2 November 2007Factual verification needed (November 2007), Unsourced statements (June 2016)
Cormorant fishingLow Start1 Citation with accessdate and no URL
Cornelis HazevoetLow C1 2010Potentially dated statements (2010)
Cornish chickenLow Start5 April 2018Citation with accessdate and no URL, Minor POV problems (April 2018), Unsourced statements (April 2018), Weasel-worded phrases (April 2018), References needed (April 2018)
Cornish game henLow Start2 October 2009References needed (October 2009), Limited geographic scope (January 2016)
CorvidaLow Start2 January 2008Factual verification needed (January 2008), Unsourced statements (July 2012)
CorvidaeHigh B4 April 2007Unsourced statements (April 2007, October 2011, February 2011), Clarification needed (September 2010)
CorvusMid C4 June 2011Unsourced statements (December 2012, June 2011), Reliable references lacking (June 2011), Limited geographic scope (July 2014)
Corvus (heraldry)Low Stub1 August 2011Reliable references lacking (August 2011)
CosmopsarusLow Stub1 January 2010Sources lacking (January 2010)
CossyphaMid Stub1 February 2007Unsourced statements (February 2007)
Cotton pygmy gooseLow Start2 February 2011Unsourced statements (February 2011, December 2017)
CoucalMid Start1 February 2007Unsourced statements (February 2007)
Covert featherMid Start1 May 2018In-text citations lacking (May 2018)
Cox's sandpiperLow Start1 March 2008Clarification needed (March 2008)
Crag martinMid GA2 August 2017Dead external links {{dead link}} (August 2017, September 2017)
Crane (bird)High C1 August 2017Dead external links {{dead link}} (August 2017)
Crane hawkMid Start1 March 2016Vague or ambiguous time (March 2016)
Cream-bellied muniaLow Stub1 January 2010Sources lacking (January 2010)
Cream-colored woodpeckerLow Stub1 August 2017Dead external links {{dead link}} (August 2017)
CreanceLow Stub1 December 2009Sources lacking (December 2009)
Crested (duck breed)Low Stub1 September 2015References needed (September 2015)
Crested SoultzLow Stub1 August 2012Sources lacking (August 2012)
Crested ibisLow Stub2 November 2014Unsourced statements (November 2014), Clarification needed (April 2018)
Crested oropendolaLow Stub1 August 2017Dead external links {{dead link}} (August 2017)
Crested partridgeLow Stub1 April 2018References needed (April 2018)
Crested penguinMid Start1 December 2011Weasel-worded phrases (December 2011)
CrexMid GA1 Citation lacking title
Crimson rosellaMid C3 April 2009In-text citations lacking (April 2009), Unsourced statements (October 2011), Failed verification (December 2017)
Crimson-collared tanagerLow Start1 March 2009Unsourced statements (March 2009)
Croad LangshanLow Start1 August 2014Unsourced statements (August 2014)
Crossley's vangaMid Start1 November 2017Unsourced statements (November 2017)
CrotophaginaeMid Stub1 June 2012Unsourced statements (June 2012)
Crowned slaty flycatcherMid Stub1 December 2012References needed (December 2012)
CrypsirinaMid Stub1 January 2013In-text citations lacking (January 2013)
Cuban todyLow Start1 CS1 errors: external links
CuckooHigh C1 December 2012References needed (December 2012)
CuculusMid Start1 December 2007Unsourced statements (December 2007)
Cultural depictions of penguinsLow Start3 May 2011References needed (May 2011), Unsourced statements (May 2011), Clarification needed (May 2011)
Cultural depictions of ravensMid Start4 March 2007References needed (March 2007), Unsourced statements (November 2009), Citation lacking title, Rewrite needed (June 2013)
CumuletLow Stub1 August 2012Sources lacking (August 2012)
CurassowMid Start1 January 2013In-text citations lacking (January 2013)
CurlewMid Start2 May 2011Clarification needed (May 2011), Dead external links {{dead link}} (December 2016)
Curlew sandpiperLow Start1 December 2016Dead external links {{dead link}} (December 2016)
Curve-billed thrasherLow GA1 December 2016Dead external links {{dead link}} (December 2016)
Cyprus dipperLow Stub1 June 2010Unsourced statements (June 2010)
Côme-Damien DeglandLow Stub1 September 2015Unsourced statements (September 2015)
DAD-ISLow List1 March 2018Update needed (March 2018)
DactylyMid List1 February 2010Unsourced statements (February 2010)
Dalmatian pelicanLow Start1 May 2018Unsourced statements (May 2018)
Damara red-billed hornbillLow Stub1 May 2018In-text citations lacking (May 2018)
Danish TumblerLow Stub1 August 2012Sources lacking (August 2012)
Dark budgerigar mutationLow C1 Citation lacking title
Dark-eyed juncoLow C2 September 2017Dead external links {{dead link}} (September 2017), Unsourced statements (October 2017)
DarterLow B1 September 2009Factual verification needed (September 2009)
DasornisLow C1 October 2011Weasel-worded phrases (October 2011)
Daurian partridgeLow Start1 September 2017References needed (September 2017)
David Allen SibleyLow Stub2 March 2008BLP articles lacking sources (March 2008), Incomplete lists (August 2008)
David Armitage BannermanLow Start1 August 2008Incomplete lists (August 2008)
David B. WingateLow Stub1 February 2013In-text citations lacking (February 2013)
David LackLow C1 July 2016Unsourced statements (July 2016)
David Morrison Reid HenryLow Stub1 August 2008Incomplete lists (August 2008)
David PeakallLow Start2 Citation with bare URL, Citation lacking title
David Snow (ornithologist)Mid Stub1 August 2008Incomplete lists (August 2008)
David TiplingLow B3 June 2008Unsourced statements (June 2008), Incomplete lists (December 2010), Promotional tone (June 2012)
Dawn Whyatt FrithLow Stub2 June 2017BLP articles lacking sources (June 2017), In-text citations lacking (June 2017)
Dawn chorus (birds)Low Start1 December 2014Unsourced statements (December 2014)
DebeakingLow C4 October 2015Expansion needed (October 2015), NPOV disputes (November 2015), Disputed statements (May 2017), Reliable references lacking (May 2017)
Deception IslandLow C2 February 2010Unsourced statements (February 2010, August 2014)
Dekalb AmberlinkLow Stub2 August 2014Sources lacking (August 2014), Notability unclear (August 2014)
Delaware Blue HenLow Stub1 September 2017Unsourced statements (September 2017)
Delaware Valley Ornithological ClubLow Start1 November 2016References needed (November 2016)
Delft National ParkLow Start1 December 2016Dead external links {{dead link}} (December 2016)
Delta Waterfowl FoundationLow Start2 January 2009Reliable references lacking (January 2009), Unsourced statements (January 2016)
Demoiselle craneLow Start3 February 2013Unsourced statements (February 2013), Disputed statements (July 2013), Dead external links {{dead link}} (December 2016)
Denis A. SaundersLow Stub1 April 2009In-text citations lacking (April 2009)
Dent Island, New ZealandLow Start1 December 2016Dead external links {{dead link}} (December 2016)
Derek GoodwinMid Start1 June 2008References needed (June 2008)
Derek MooneyLow C3 November 2011Vague or ambiguous time (November 2011), Citation with accessdate and no URL, Dead external links {{dead link}} (June 2017)
Derek YaldenLow Start1 November 2017Dead external links {{dead link}} (November 2017)
Devil BirdLow Start3 February 2007Unsourced statements (October 2008, February 2007), References needed (April 2016)
Dewey Soper Migratory Bird SanctuaryLow Stub1 May 2015Unsourced statements (May 2015)
Diamond firetailLow Start1 November 2015In-text citations lacking (November 2015)
Dick WatlingLow Stub1 December 2016Dead external links {{dead link}} (December 2016)
Dick the MockingbirdLow Start1 February 2011Page number citations needed (February 2011)
DickcisselLow Start1 January 2011References needed (January 2011)
Dickin MedalLow FL1 September 2017Dead external links {{dead link}} (September 2017)
Dietary biology of the golden eagleMid B1 June 2017Reliable references lacking (June 2017)
Diglossa (bird)Mid Stub1 May 2007Unsourced statements (May 2007)
DiglossopisMid Stub1 May 2007Unsourced statements (May 2007)
DinornisLow Start1 August 2012In-text citations lacking (August 2012)
Diseases of CanariesLow Stub1 July 2011Sources lacking (July 2011)
DiucaMid Stub1 March 2018Sources lacking (March 2018)
Diving birdLow Stub1 February 2010Sources lacking (February 2010)
Djibouti francolinLow GA1 September 2010Dead external links {{dead link}} (September 2010)
Domestic canaryLow C1 November 2017Unsourced statements (November 2017)
Domestic duckLow Start1 June 2017Unsourced statements (June 2017)
Domestic guineafowlLow Stub1 October 2008In-text citations lacking (October 2008)
Domestic muscovy duckMid Stub1 November 2016Sources lacking (November 2016)
Domestic pigeonLow Start2 November 2009Unsourced statements (November 2009), Dead external links {{dead link}} (April 2013)
Domestic turkeyLow C5 September 2008Unsourced statements (September 2008, November 2011, April 2011, November 2015), Dead external links {{dead link}} (December 2016)
Domesticated quailMid Start2 January 2016References needed (January 2016), In-text citations lacking (January 2016)
Domestication of animalsMid B1 November 2017Page number citations needed (November 2017)
Dominique G. HombergerLow Stub1 January 2011Orphaned (January 2011)
Dominique chickenLow Stub1 May 2016Unsourced statements (May 2016)
Double-collared seedeaterLow Stub1 October 2009References needed (October 2009)
Double-crested cormorantLow C1 March 2018Weasel-worded phrases (March 2018)
Double-striped thick-kneeLow Start1 August 2014In-text citations lacking (August 2014)
DovecoteLow Start4 May 2008Unsourced statements (May 2008, November 2009), Expansion needed (November 2009), References needed (September 2016)
Dovecote, AngleLow Stub2 June 2014References needed (June 2014), Orphaned (June 2014)
DovecotesLow Start2 November 2011References needed (November 2011), CS1 errors: external links
DowitcherMid Stub1 December 2016Dead external links {{dead link}} (December 2016)
DrepanornisLow Stub1 November 2009Sources lacking (November 2009)
Driven grouse shootingLow Start2 June 2015Dead external links {{dead link}} (June 2015), NPOV disputes (January 2018)
DromornithidaeLow C3 August 2013Unsourced statements (September 2013, April 2016), References needed (August 2013)
Druridge Bay curlewLow C1 June 2008Expansion needed (June 2008)
Dubbing (poultry)Low Start1 May 2018Dead external links {{dead link}} (May 2018)
DuckHigh C1 June 2012Unsourced statements (June 2012)
Duck callLow Start1 June 2014Unsourced statements (June 2014)
Duck decoy (model)Low Start7 July 2012Unsourced statements (July 2012, July 2017), Dead external links {{dead link}} (July 2012), References needed (January 2014), Peacock terms (April 2014), Style editing needed (April 2014), Limited geographic scope (February 2017)
Duck decoy (structure)Low Start1 October 2012Unsourced statements (October 2012)
Dull-blue flycatcherLow Stub1 January 2017References needed (January 2017)
DunhuangiaLow Start1 July 2017References needed (July 2017)
Dusky eagle-owlLow Stub1 December 2017Unsourced statements (December 2017)
Dusky seaside sparrowLow Start2 June 2013References needed (June 2013), Page number citations needed (January 2017)
Dusky-headed parakeetLow Stub2 March 2008Unsourced statements (March 2008, September 2011)
Dutch BantamLow C1 May 2018Unsourced statements (May 2018)
Dwarf bitternLow Start1 May 2014Clarification needed (May 2014)
EagleHigh C2 December 2012Unsourced statements (December 2012), References needed (July 2016)
Ear tuftLow Stub1 September 2017References needed (September 2017)
Eared doveLow Start2 August 2014Unsourced statements (August 2014), Dead external links {{dead link}} (September 2017)
East Asian–Australasian FlywayLow Stub1 September 2008Unsourced statements (September 2008)
East Atlantic FlywayLow Stub1 December 2016Dead external links {{dead link}} (December 2016)
Eastern Canary Islands chiffchaffLow Start1 February 2007Unsourced statements (February 2007)
Eastern grass owlLow Start1 July 2014Vague or ambiguous geographic scope (July 2014)
Eastern great egretLow Start1 January 2016Unsourced statements (January 2016)
Eastern ground parrotMid Start1 April 2018Unsourced statements (April 2018)
Eastern meadowlarkLow Start1 September 2017Dead external links {{dead link}} (September 2017)
Eastern moaLow Start1 September 2017Dead external links {{dead link}} (September 2017)
Eastern rosellaMid Start1 July 2015Unsourced statements (July 2015)
Eastern screech owlLow B2 Web citation with no URL, CS1 errors: external links
Eastern whip-poor-willMid Start1 Detailed references needed
Echo parakeetMid Start1 January 2017Update needed (January 2017)
EclectusLow Stub1 December 2009Sources lacking (December 2009)
Eclectus parrotMid Start4 May 2011Unsourced statements (January 2013, May 2011, November 2017), Factual verification needed (May 2011)
Eddystone (Tasmania)Low Stub2 July 2015Unsourced statements (July 2015), Vague or ambiguous time (July 2015)
Edgar ChanceLow Start1 October 2015Unsourced statements (October 2015)
Edible bird's nestLow Start3 August 2013Unsourced statements (September 2014, September 2015, August 2013)
Edible-nest swiftletLow Start1 May 2016References needed (May 2016)
Edward Grey Institute of Field OrnithologyMid Start2 July 2014References needed (July 2014), Unsourced statements (August 2015)
Edward Grey, 1st Viscount Grey of FallodonLow Start3 September 2010Unsourced statements (September 2010, July 2014), Web citation with no URL
Edward Youde AviaryLow Start1 May 2012References needed (May 2012)
Egg bindingLow Stub1 February 2018References needed (February 2018)
Egg toothLow Start2 December 2013Expert attention needed (December 2013)
Egyptian ploverHigh Start1 March 2009In-text citations lacking (March 2009)
Eiao Marquesan warblerLow Stub1 December 2009Sources lacking (December 2009)
EiderLow Stub1 September 2014References needed (September 2014)
ElaninaeMid Start1 September 2017Dead external links {{dead link}} (September 2017)
EldeyLow Stub1 April 2017References needed (April 2017)
Elegant crested tinamouLow C1 December 2016Dead external links {{dead link}} (December 2016)
Eleonora cockatooLow Stub1 May 2014Unsourced statements (May 2014)
Elephant birdMid B1 June 2007Unsourced statements (June 2007)
Elf owlLow Start1 March 2012References needed (March 2012)
Eliza PhillipsLow Start1 November 2012Unsourced statements (November 2012)
Emei leaf warblerLow Start1 Web citation with no URL
Empress of Germany's bird of paradiseLow Stub1 August 2015References needed (August 2015)
EnaliornisLow Stub1 October 2010Clarification needed (October 2010)
EnantiornithesHigh B2 April 2014Page number citations needed (April 2014), Clarification needed (October 2016)
Endemic birds of ColombiaLow List1 Web citation with no URL
Endemic birds of Madagascar and western Indian Ocean islandsLow List2 June 2008Expansion needed (June 2008), Incomplete lists (August 2008)
Endemic birds of western and central AfricaLow Stub3 June 2008Expansion needed (June 2008), Incomplete lists (August 2008, September 2015)
English Fallow budgerigar mutationLow C1 Citation lacking title
English Short-faced TumblerLow Stub1 February 2018Clarification needed (February 2018)
EpimachusMid Stub1 December 2009Sources lacking (December 2009)
Eremophila (bird)Mid Stub1 September 2014References needed (September 2014)
Ernst HartertLow Stub2 February 2011References needed (September 2014), Incomplete lists (February 2011)
Ernst Johann SchmitzLow Stub1 March 2018In-text citations lacking (March 2018)
ErythrotriorchisMid Stub1 Citation lacking title
EstrildaMid Stub1 October 2009References needed (October 2009)
Estrildid finchMid Start1 January 2018Dead external links {{dead link}} (January 2018)
EthnoornithologyMid Start1 July 2010Expansion needed (July 2010)
EuphagusMid Stub1 January 2017In-text citations lacking (January 2017)
Eurasian crag martinLow FA2 September 2017Dead external links {{dead link}} (September 2017, October 2017)
Eurasian dotterelLow Start1 February 2016Unsourced statements (February 2016)
Eurasian eagle-owl in Great BritainLow Stub1 July 2013Orphaned (July 2013)
Eurasian hoopoeLow C1 August 2015Unsourced statements (August 2015)
Eurasian magpieLow B1 November 2013Unsourced statements (November 2013)
Eurasian siskinLow Start4 October 2011Detailed references needed, Unsourced statements (October 2011), Clarification needed (October 2011), Failed verification (October 2011)
Eurasian skylarkLow C2 December 2010References needed (December 2010), Unsourced statements (November 2015)
Eurasian sparrowhawkLow GA1 June 2010Dead external links {{dead link}} (June 2010)
Eurasian tealLow B1 May 2016Unsourced statements (May 2016)
Eurasian tree sparrowMid FA1 Citation lacking title
Eurasian woodcockLow C1 Citation with accessdate and no URL
Eurasian wrenLow C1 September 2016Dead external links {{dead link}} (September 2016)
Eurasian wryneckLow GA1 September 2017Dead external links {{dead link}} (September 2017)
European bee-eaterLow Start2 October 2012Unsourced statements (October 2012, April 2013)
European crested titLow Start1 September 2017Dead external links {{dead link}} (September 2017)
European golden ploverLow Start1 October 2017Weasel-worded phrases (October 2017)
European herring gullMid C5 September 2013References needed (September 2014, June 2014), Expansion needed (September 2013), Original research (June 2014), Dead external links {{dead link}} (May 2016)
European robinLow GA1 September 2017Dead external links {{dead link}} (September 2017)
EurostopodusMid Stub1 October 2017References needed (October 2017)
Evolution of birdsTop C1 August 2016Unsourced statements (August 2016)
Exmouth GulfLow Stub2 June 2007Unsourced statements (June 2008, June 2007)
ExplorornisLow Stub1 September 2015References needed (September 2015)
Eyles's harrierLow Start2 June 2008Original research (June 2008), Factual verification needed (January 2010)
Falcated duckLow Start1 January 2015Weasel-worded phrases (January 2015)
FalconMid C2 August 2007Factual verification needed (August 2007), Unsourced statements (April 2008)
FalconimorphaeLow Stub1 February 2017Orphaned (February 2017)
FalconryHigh B5 November 2012Unsourced statements (November 2012, April 2016), Page number citations needed (September 2013), Dead external links {{dead link}} (October 2017), References needed (December 2017)
Fantail pigeonLow Stub1 July 2015Unsourced statements (July 2015)
Faroese gooseLow Stub1 December 2015References needed (December 2015)
Fastest animalsLow List3 October 2017Web citation with no URL, Reliable references lacking (October 2017), Unsourced statements (June 2018)
Faunistic Park Le CornelleLow Stub2 April 2014Reliable references lacking (April 2014), References needed (September 2016)
Faverolles chickenLow Start1 May 2018Unsourced statements (May 2018)
Fea's petrelLow Start4 February 2010References needed (February 2010), Expert attention needed (February 2010), Too technical (February 2010)
FeatherTop B2 May 2012Unsourced statements (May 2012), Weasel-worded phrases (April 2014)
Feral chickenLow Stub1 July 2015References needed (July 2015)
Feral parrotLow Start2 September 2014Unsourced statements (September 2014), Introduction cleanup (December 2014)
Feral pigeonLow Start4 February 2011Unsourced statements (February 2011, February 2017), References needed (February 2013), Limited geographic scope (June 2015)
Ferdinand StoliczkaLow B1 November 2013Dead external links {{dead link}} (November 2013)
Field guideLow Start1 June 2013Unsourced statements (June 2013)
FiretailLow Stub1 November 2013Sources lacking (November 2013)
Fischer's lovebirdMid Start1 October 2008References needed (October 2008)
Fitzroy River (Queensland)Low Start1 November 2015Unsourced statements (November 2015)
FlamingoTop C1 March 2013Unsourced statements (March 2013)
Flamingo GardensLow Start1 May 2018Sources lacking (May 2018)
Flapping counter-torqueLow Start1 May 2010Orphaned (May 2010)
Flightless birdLow Start1 November 2014Clarification needed (November 2014)
Flocking (behavior)Mid Start2 March 2018Original research (March 2018), Unsourced statements (March 2018)
Flores hawk-eagleLow Stub1 June 2011Unsourced statements (June 2011)
Florida Shorebird DatabaseLow Stub3 October 2012Sources lacking (October 2012), Notability unclear (October 2017), Copied and pasted articles and sections with url provided (October 2017)
Forced moltingLow Start2 January 2015Clarification needed (January 2015), Unsourced statements (July 2016)
Forest owletLow Start1 Citation lacking title
Fork-tailed flycatcherLow Stub1 CS1 errors: external links
Forlandsøyane Bird SanctuaryLow Stub1 Coordinates needed
Foro (bird)Low Stub1 March 2013Unsourced statements (March 2013)
Forster's ternLow C1 Citation with accessdate and no URL
Foveaux shagLow C1 July 2017Unsourced statements (July 2017)
FowlHigh Start1 January 2011Unsourced statements (January 2011)
France StaubLow Stub1 February 2013References needed (February 2013)
Francois Victor Massena, 2nd Duke of RivoliLow Stub1 October 2008Sources lacking (October 2008)
Frank BeebeLow Start2 November 2008Reliable references lacking (November 2008), Notability unclear (December 2017)
Franklin's ForestLow Stub1 April 2014Orphaned (April 2014)
Fraser IslandLow B4 September 2010Expansion needed (September 2010), Potentially dated statements (2015), Unsourced statements (May 2016, February 2018)
Free-range eggsLow C1 May 2018Unsourced statements (May 2018)
FregettaMid Stub1 August 2011Sources lacking (August 2011)
Frizzle (chicken breed)Low Stub1 October 2017Unsourced statements (October 2017)
FrogmouthHigh Start1 February 2007Unsourced statements (February 2007)
FruithunterMid Stub1 November 2011Unsourced statements (November 2011)
Fulmarine petrelLow Stub1 August 2009Sources lacking (August 2009)
Fundación ProAvesLow Stub1 September 2016Reliable references lacking (September 2016)
GalahMid C5 November 2009Unsourced statements (November 2009, December 2013, May 2018), In-text citations lacking (November 2009), Clarification needed (December 2013)
Galapagos crakeLow Start1 December 2017Unsourced statements (December 2017)
Galapagos penguinLow Start1 April 2016References needed (April 2016)
Galatz RollerLow Stub1 March 2010Sources lacking (March 2010)
GallicolumbaMid Start1 April 2014In-text citations lacking (April 2014)
GalliformesTop C4 February 2007Unsourced statements (February 2007, September 2012), References needed (December 2010), In-text citations lacking (November 2015)
GallirallusMid Start1 October 2017Dead external links {{dead link}} (October 2017)
GallopheasantMid Stub1 December 2009Sources lacking (December 2009)
Genomic evolution of birdsLow C1 February 2017References needed (February 2017)
Gentoo penguinLow Start2 2016Potentially dated statements (2016), Dead external links {{dead link}} (October 2017)
George Arthur KeartlandLow Stub1 January 2013References needed (January 2013)
Georgia's Colonial Coast Birding TrailLow Start1 Coordinates needed
GeosittaMid Stub1 March 2018In-text citations lacking (March 2018)
GeranoaetusMid Stub1 April 2013Sources lacking (April 2013)
German Fallow budgerigar mutationLow C1 Citation lacking title
Giant RuntLow Stub1 May 2017Unsourced statements (May 2017)
Giant cowbirdLow Start1 October 2008Unsourced statements (October 2008)
Giant petrelMid C1 January 2017Dead external links {{dead link}} (January 2017)
Giovanni Antonio ScopoliLow Start1 November 2017Dead external links {{dead link}} (November 2017)
Gippsland LakesLow Start1 October 2017Unsourced statements (October 2017)
GirirajaLow Stub3 March 2015Notability unclear (March 2015), Reliable references lacking (March 2015), References needed (October 2016)
GizzardLow Start1 April 2016Unsourced statements (April 2016)
Glaslyn Osprey ProjectLow Start2 February 2014Unsourced statements (February 2014, March 2017)
Glaucidium kurochkiniLow Stub1 July 2018Links needing disambiguation (July 2018)
Glen ChiltonLow Start2 March 2017Unsourced statements (March 2017), Notability unclear (December 2017)
Glossy ibisLow Start1 April 2018Unsourced statements (April 2018)
Gluepot ReserveLow Stub1 March 2017Unsourced statements (March 2017)
GnateaterMid Start2 January 2013In-text citations lacking (January 2013), Unsourced statements (April 2014)
Golden eagles in human cultureLow C1 April 2015Unsourced statements (April 2015)
Golden-breasted woodpeckerLow Stub1 October 2017Dead external links {{dead link}} (October 2017)
Golden-crowned warblerLow Start2 May 2012In-text citations lacking (May 2012), CS1 errors: external links
Goldie's lorikeetLow Start1 May 2009Weasel-worded phrases (May 2009)
GooseMid Start1 April 2018Unsourced statements (April 2018)
Gouldian finchLow Start3 June 2008References needed (March 2009), Expansion needed (June 2008), Web citation with no URL
Grace's warblerLow Start1 March 2012Unsourced statements (March 2012)
GrallinidaeLow Stub1 February 2007Unsourced statements (February 2007)
Grasshopper sparrowLow Start1 CS1 errors: external links
GrassquitMid Stub1 April 2010Sources lacking (April 2010)
Gray catbirdMid Start1 June 2017References needed (June 2017)
Gray-headed kiteLow Stub1 October 2015In-text citations lacking (October 2015)
Great Sandy StraitLow Start1 January 2018Unsourced statements (January 2018)
Great Texas Coastal Birding TrailLow C1 October 2017Dead external links {{dead link}} (October 2017)
Great argusLow Start1 February 2016Weasel-worded phrases (February 2016)
Great blue heronLow C1 July 2017Unsourced statements (July 2017)
Great blue turacoLow Stub1 May 2017Unsourced statements (May 2017)
Great bustardMid B2 November 2017Disputed statements (November 2017), Unsourced statements (January 2018)
Great cormorantLow Start2 June 2009Unsourced statements (June 2009), Weasel-worded phrases (December 2011)
Great egretLow C2 July 2016Unsourced statements (July 2016), References needed (July 2017)
Great grey shrikeLow B2 September 2009Factual verification needed (September 2009, January 2011)
Great horned owlMid B2 December 2014CS1 errors: dates, Style editing needed (December 2014)
Great thrushLow Stub1 November 2016In-text citations lacking (November 2016)
Great white pelicanLow C1 December 2014Dead external links {{dead link}} (December 2014)
Great-tailed grackleLow Start2 May 2013Unsourced statements (May 2013, November 2016)
Great-winged petrelLow Stub1 April 2016Unsourced statements (April 2016)
Greater akialoaLow Stub1 January 2009References needed (January 2009)
Greater flamingoMid Start1 September 2017Unsourced statements (September 2017)
Greater honeyguideLow C1 July 2016Unsourced statements (July 2016)
Greater peweeLow Start1 June 2013References needed (June 2013)
Greater prairie chickenLow Start1 July 2010Unsourced statements (July 2010)
Greater sage-grouseLow B1 April 2017Dead external links {{dead link}} (April 2017)
Greater scaupLow GA1 CS1 errors: external links
Greater white-fronted gooseLow Start2 July 2011Unsourced statements (July 2011), Limited geographic scope (July 2011)
GrebeTop C2 May 2008Detailed references needed, Unsourced statements (May 2008)
Green Pond MarshLow Start3 Citation lacking title, Web citation with no URL, CS1 errors: external links
Green aracariLow Start1 April 2012Unsourced statements (April 2012)
Green bee-eaterLow C1 October 2017Dead external links {{dead link}} (October 2017)
Green peafowlLow C3 October 2008In-text citations lacking (October 2008), Original research (October 2008), CS1 errors: external links
Green-breasted mangoLow Start2 August 2016Unsourced statements (August 2016), Dead external links {{dead link}} (October 2017)
Green-cheeked parakeetLow Start1 July 2009References needed (July 2009)
Green-crowned brilliantLow Start1 CS1 errors: external links
Green-tailed warblerLow Stub2 November 2011Unsourced statements (November 2011), References needed (September 2014)
Green-winged pytiliaLow Stub1 December 2009Unsourced statements (December 2009)
Green-winged tealLow Start1 Citation with accessdate and no URL
Greenish warblerLow Start1 October 2017Dead external links {{dead link}} (October 2017)
Grey crowned craneLow Start1 August 2015References needed (August 2015)
Grey falconMid Stub1 October 2017Dead external links {{dead link}} (October 2017)
Grey petrelLow Start1 November 2010Dead external links {{dead link}} (November 2010)
Grey-breasted mountain toucanLow Stub1 May 2011References needed (May 2011)
Grey-cheeked parakeetLow Start1 July 2017References needed (July 2017)
Grey-crowned warblerLow Stub1 May 2017Reliable references lacking (May 2017)
Grey-faced buzzardLow Stub1 CS1 errors: external links
Grey-headed albatrossLow C2 March 2009Unsourced statements (March 2009), Dead external links {{dead link}} (March 2017)
Grey-legged tinamouLow Stub1 February 2009Unsourced statements (February 2009)
Grey-sided bush warblerLow Stub1 December 2009References needed (December 2009)
Griffon vultureLow Start3 January 2017Unsourced statements (January 2017, December 2017, March 2018)
Ground woodpeckerLow Start1 Citation with accessdate and no URL
GrouseMid C1 Citation with accessdate and no URL
GruiformesTop C1 April 2016Unsourced statements (April 2016)
Guadalupe murreletLow Start1 October 2009Unsourced statements (October 2009)
Guadalupe storm petrelLow Start3 February 2007Factual verification needed (October 2007), Unsourced statements (February 2007, October 2009)
Guam railLow Start1 October 2010Dead external links {{dead link}} (October 2010)
Guanay cormorantLow Start1 June 2014Unsourced statements (June 2014)
GuillemotMid Start1 August 2014References needed (August 2014)
GuineafowlHigh Start1 November 2016Clarification needed (November 2016)
Gulaga National ParkLow Stub1 June 2016Dead external links {{dead link}} (June 2016)
Gular skinLow Stub1 May 2010References needed (May 2010)
Gulf St Vincent Important Bird AreaLow Stub1 November 2014Weasel-worded phrases (November 2014)
GullHigh B1 July 2010Unsourced statements (July 2010)
Gurney's eagleLow Stub1 July 2007In-text citations lacking (July 2007)
Gustav KramerLow Stub3 December 2012Unsourced statements (January 2013), Notability unclear (December 2012), References needed (February 2013)
Gwydir RiverLow C1 September 2012Unsourced statements (September 2012)
GypsMid Start1 September 2014References needed (September 2014)
GyrfalconMid C2 February 2007Unsourced statements (February 2007), CS1 errors: external links
Gåsøyane Bird SanctuaryLow Stub1 Coordinates needed
Haast's eagleMid C1 October 2010Unsourced statements (October 2010)
Hack (falconry)Low Start1 April 2014Unsourced statements (April 2014)
Hadada ibisLow Start1 January 2016Unsourced statements (January 2016)
Hadoram ShirihaiLow Stub1 August 2010BLP articles lacking sources (August 2010)
Haemoproteus concavocentralisLow Stub1 April 2016References needed (April 2016)
Haemoproteus homovelansLow Stub1 April 2016References needed (April 2016)
Hainan peacock-pheasantLow Stub1 Detailed references needed
Hakgala Strict Nature ReserveLow Start1 Citation with accessdate and no URL
HalcyornithidaeLow Stub1 February 2018Original research (February 2018)
Half Moon IslandLow Start1 April 2017Unsourced statements (April 2017)
Handbook of Australian, New Zealand and Antarctic BirdsLow Stub1 September 2015In-text citations lacking (September 2015)
Handbook of British BirdsLow Start1 December 2013Expansion needed (December 2013)
Hans Edmund WoltersLow Stub1 October 2014References needed (October 2014)
Hans Julius DunckerLow Stub1 September 2011Orphaned (September 2011)
Harlequin duckLow Start1 February 2010In-text citations lacking (February 2010)
Harrier (bird)Low Stub1 June 2018References needed (June 2018)
Harris's hawkLow B4 May 2010Detailed references needed, Unsourced statements (May 2013), Factual verification needed (May 2010), Page number citations needed (April 2018)
Harris's sparrowLow B1 July 2014Clarification needed (July 2014)
Harrison B. TordoffLow C1 2018DOIs inactive (2018)
Harry Gibbons Migratory Bird SanctuaryLow Stub1 October 2010Dead external links {{dead link}} (October 2010)
HatcheryLow Start1 June 2007References needed (June 2007)
Hatutu Marquesan warblerLow Stub1 December 2009Sources lacking (December 2009)
Hawaii mamoLow Start1 January 2009Unsourced statements (January 2009)
Hawaiian honeycreeperMid Start2 February 2008Factual verification needed (February 2008), In-text citations lacking (January 2014)
Hawaiian railLow Start1 August 2013Factual verification needed (August 2013)
Hawaiian stiltLow Start2 January 2014Unsourced statements (January 2014), References needed (January 2014)
Hawaiʻi ʻakepaLow Start1 March 2017In-text citations lacking (March 2017)
Hawaiʻi ʻōʻōLow Stub1 January 2009References needed (January 2009)
HawkMid Start1 September 2012Expansion needed (September 2012)
Hawk Mountain SanctuaryLow Start1 February 2015Unsourced statements (February 2015)
Hayle EstuaryLow Stub1 September 2015References needed (September 2015)
Heath henLow C2 January 2011Unsourced statements (January 2011), References needed (March 2017)
Heathcote-Graytown National ParkLow Stub1 February 2007Unsourced statements (February 2007)
Heinrich KuhlLow Start1 March 2017Dead external links {{dead link}} (March 2017)
Helmeted guineafowlLow Start1 December 2010References needed (December 2010)
Helpers at the nestMid Start1 August 2012Unsourced statements (August 2012)
HemignathiniMid Start1 April 2008References needed (April 2008)
HemixosMid Stub2 June 2011References needed (June 2011), Original research (June 2011)
Hen harrierMid Start1 March 2017Unsourced statements (March 2017)
Henderson crakeLow Stub1 January 2013References needed (January 2013)
Henry H. SlaterLow Stub1 September 2015In-text citations lacking (September 2015)
Henry Haversham Godwin-AustenLow Start1 May 2014Unsourced statements (May 2014)
Henslow's sparrowLow Start1 February 2013In-text citations lacking (February 2013)
Heron Island (Queensland)Low C1 April 2008Factual verification needed (April 2008)
HieraaetusLow Stub1 April 2017Dead external links {{dead link}} (April 2017)
Highland finchLow Start1 November 2007Unsourced statements (November 2007)
Hildegarde HowardLow Stub1 March 2018Dead external links {{dead link}} (March 2018)
Himalayan bluetailLow Stub1 CS1 errors: external links
Himalayan bulbulLow Stub1 December 2016References needed (December 2016)
Himalayan monalLow Start1 May 2017Unsourced statements (May 2017)
Himalayan vultureLow Start1 November 2017Dead external links {{dead link}} (November 2017)
HinasuriLow Stub2 May 2018Sources lacking (May 2018), Expansion needed (May 2018)
HirundoMid Stub1 December 2007Unsourced statements (December 2007)
Hispaniolan amazonMid Start2 February 2011References needed (January 2013), Vague or ambiguous time (February 2011)
HoatzinHigh C3 February 2007Unsourced statements (February 2007, November 2010), Clarification needed (January 2014)
Holland chickenLow Stub1 July 2007References needed (July 2007)
Homing pigeonLow Start7 May 2013References needed (May 2013, January 2016), Unsourced statements (January 2016), Weasel-worded phrases (January 2016), Clarification needed (January 2016), External link cleanup {{external links}} (January 2016), Spam cleanup (January 2016)
HoneybirdMid Stub1 December 2009Sources lacking (December 2009)
Hooded dotterelLow C1 April 2017Dead external links {{dead link}} (April 2017)
Hooded visorbearerLow Stub1 January 2011Expansion needed (January 2011)
Hook BillLow Stub1 CS1 errors: external links
Hook-billed kiteLow Start1 November 2016Dead external links {{dead link}} (November 2016)
HornbillHigh C1 May 2014Unsourced statements (May 2014)
Horned grebeLow Start1 July 2011References needed (July 2011)
Horned owlMid Start1 November 2008Factual verification needed (November 2008)
Horned screamerLow Stub1 November 2017Unsourced statements (November 2017)
HorneroMid Stub1 April 2009In-text citations lacking (April 2009)
HorusornithidaeLow Stub1 October 2011References needed (October 2011)
Houbara bustardLow C2 April 2014Clarification needed (April 2014), References needed (November 2016)
House finchLow Start1 August 2011Unsourced statements (August 2011)
House wrenLow Start3 February 2008Factual verification needed (February 2008), Unsourced statements (February 2008, June 2015)
Houtman AbrolhosLow B5 2007Potentially dated statements (2007, 2012), Unsourced statements (March 2008, February 2008, April 2015)
Howard and Moore Complete Checklist of the Birds of the WorldLow Start2 July 2008Sources lacking (July 2008), Expansion needed (July 2008)
Huayco tinamouLow Stub1 April 2017Dead external links {{dead link}} (April 2017)
Humboldt penguinLow Start1 CS1 errors: external links
HummingbirdTop C3 May 2014Unsourced statements (May 2014, June 2016), References needed (April 2015)
Hyacinth macawLow C1 August 2011Unsourced statements (August 2011)
Hybrid lovebirdLow Stub1 December 2011References needed (December 2011)
Hybridisation in gullsLow Stub2 April 2014Unsourced statements (May 2016, April 2014)
Hybridisation in shorebirdsMid Start1 February 2007Unsourced statements (February 2007)
HydropsalisMid Stub1 February 2017References needed (February 2017)
HylexetastesMid Stub1 April 2010Sources lacking (April 2010)
HylophilusMid Stub1 2014Potentially dated statements (2014)
Hypothetical speciesLow Stub1 August 2012Expansion needed (August 2012)
ISA BrownLow Stub1 August 2014References needed (August 2014)
Iago sparrowLow GA1 Citation lacking title
Ian NewtonLow Stub2 December 2016Vague or ambiguous time (December 2016), Unsourced statements (December 2016)
Ian Wallace (ornithologist)Low Stub1 August 2008Incomplete lists (August 2008)
Ice pigeonLow Stub1 July 2010Expansion needed (July 2010)
Icelandic ChickenLow Stub1 April 2017Sources lacking (April 2017)
IchthyornisLow C1 November 2016Merge needed (November 2016)
IdiornithidaeLow Stub1 June 2018Clarification needed (June 2018)
IlbandornisLow Stub1 April 2017Unsourced statements (April 2017)
Illustrations of the Nests and Eggs of Birds of OhioLow Start1 October 2012Orphaned (October 2012)
Inaccessible IslandLow Start1 January 2016References needed (January 2016)
Indian FantailLow Stub1 August 2016References needed (August 2016)
Indian GolaLow Stub1 October 2009References needed (October 2009)
Indian Runner duckLow Start2 April 2010References needed (April 2010), Clarification needed (September 2016)
Indian peafowlLow B1 May 2017Unsourced statements (May 2017)
Indian pond heronLow C1 November 2017Dead external links {{dead link}} (November 2017)
Indian scops owlLow Start1 August 2017Unsourced statements (August 2017)
Indian yellow-nosed albatrossLow C2 October 2010Dead external links {{dead link}} (October 2010, February 2017)
Indigo-capped hummingbirdLow Stub1 November 2010References needed (November 2010)
Information centre hypothesisUnknown Unassessed2 March 2018Wikilinks needed (March 2018), Merge needed (March 2018)
Inghams EnterprisesLow Stub1 June 2012Unsourced statements (June 2012)
Inland dotterelLow Start1 November 2017Unsourced statements (November 2017)
Innes National ParkLow Start1 January 2015References needed (January 2015)
Invasive species in HawaiiLow C3 February 2013Dead external links {{dead link}} (February 2013, December 2016), References needed (December 2016)
Iowa BlueLow Start2 August 2014References needed (August 2014), Notability unclear (August 2014)
Island scrub jayLow Stub1 November 2017Dead external links {{dead link}} (November 2017)
Island swiftletLow Stub1 April 2017Dead external links {{dead link}} (April 2017)
Isøyane Bird SanctuaryLow Stub1 Coordinates needed
Ivory gullMid Start1 July 2012Disputed statements (July 2012)
Ivory-billed woodpeckerLow B4 January 2011Clarification needed (January 2011), Unsourced statements (March 2016, June 2018), Dead external links {{dead link}} (June 2016)
Iwo Jima railLow Start1 February 2016Introduction cleanup (February 2016)
IxobrychusMid Stub1 January 2017References needed (January 2017)
Jackson Head to Stafford River Important Bird AreaLow Stub1 February 2013Orphaned (February 2013)
Jacques Van ImpeLow Stub2 March 2009Reliable references lacking (March 2009), BLP articles lacking sources (March 2009)
Jamaican red macawLow Stub1 December 2017Dead external links {{dead link}} (December 2017)
James EikeLow Start1 January 2015Orphaned (January 2015)
James Fisher (naturalist)Low Start1 August 2008Incomplete lists (August 2008)
James's flamingoLow Start1 April 2010Unsourced statements (April 2010)
JangmigyeLow Stub1 August 2014Sources lacking (August 2014)
Japanese robinLow Stub1 December 2013Unsourced statements (December 2013)
Japanese wood pigeonMid Stub1 September 2012References needed (September 2012)
Japan–Australia Migratory Bird AgreementLow Stub2 June 2008References needed (June 2008), Sources lacking (November 2016)
Jean-Théodore DescourtilzLow Start1 April 2016References needed (April 2016)
Jemima Parry-JonesLow Start2 May 2011BLP articles lacking sources (May 2011), Dead external links {{dead link}} (April 2017)
Jennifer F. M. HorneLow Stub1 December 2009References needed (December 2009)
Jerdon's babblerLow Stub4 May 2009Factual verification needed (May 2009, June 2009), CS1 errors: external links, Dead external links {{dead link}} (November 2017)
Jeremy GreenwoodLow Stub2 October 2008Unsourced statements (October 2008), Citation lacking title
Jersey ZooMid Start2 January 2009Unsourced statements (January 2009, January 2017)
Jervis BayLow Start4 February 2015Citation lacking title, Page number citations needed (February 2015), References needed (September 2017), Unsourced statements (September 2017)
Jess (falconry)Low Start1 December 2009References needed (December 2009)
Jim FleggLow Stub1 June 2012Unsourced statements (June 2012)
John BachmanLow Start1 January 2009Unsourced statements (January 2009)
John Burton ClelandLow Start1 April 2017Dead external links {{dead link}} (April 2017)
John Charles PhillipsLow Start2 February 2017In-text citations lacking (February 2017), Incomplete lists (March 2017)
John Douglas GibsonLow Stub1 September 2016References needed (September 2016)
John Gerrard KeulemansLow C1 November 2013Page number citations needed (November 2013)
John GoodersLow Stub2 October 2012References needed (October 2012), Citation with accessdate and no URL
John GouldLow C2 January 2014Page number citations needed (January 2014), Dead external links {{dead link}} (November 2017)
John Graham BellLow Stub1 May 2012Unsourced statements (May 2012)
John James AudubonHigh B2 September 2014Vague or ambiguous time (September 2014), References needed (April 2017)
John Silver (pigeon)Low Stub2 2010Potentially dated statements (2010), References needed (July 2011)
John YeallandLow Stub1 January 2015References needed (January 2015)
John du PontLow C1 September 2015Unsourced statements (September 2015)
Joseph ForshawLow Stub1 March 2009Expansion needed (March 2009)
Joseph Harvey RileyLow Stub1 June 2013Notability unclear (June 2013)
Journal of OrnithologyLow Stub1 Citation with accessdate and no URL
JudinornisLow Stub1 November 2007Factual verification needed (November 2007)
JuehuaornisLow Stub1 November 2017Expansion needed (November 2017)
JuncoMid Stub1 December 2009Sources lacking (December 2009)
Kadalundi Bird SanctuaryLow Stub1 Coordinates needed
KakapoMid FA1 October 2017Dead external links {{dead link}} (October 2017)
Kangaroo IslandLow C8 July 2008Unsourced statements (July 2008, September 2012, February 2012, June 2014, June 2016, September 2016), Potentially dated statements (January 2016), Dead external links {{dead link}} (December 2017)
Kapiti IslandLow C2 December 2017Dead external links {{dead link}} (December 2017), References needed (May 2018)
Kapp Linné Bird SanctuaryLow Stub1 Coordinates needed
Karakul (Tajikistan)Low Start2 November 2014Web citation with no URL, Unsourced statements (November 2014)
Karel VoousLow Stub2 August 2008Incomplete lists (August 2008), Expansion needed (June 2013)
Kauai palilaLow Start1 March 2011Weasel-worded phrases (March 2011)
Kauaʻi finchLow Start1 November 2007Unsourced statements (November 2007)
Kauaʻi ʻōʻōLow Start2 January 2009References needed (January 2009), Dead external links {{dead link}} (December 2016)
Kaudulla National ParkLow Start1 October 2010Dead external links {{dead link}} (October 2010)
KeaLow B1 May 2017Dead external links {{dead link}} (May 2017)
Keel-billed toucanMid Start2 January 2018CS1 errors: external links, Dead external links {{dead link}} (January 2018)
KelenkenLow Stub2 June 2012Expansion needed (June 2012), References needed (April 2016)
Kelley-Roosevelts Asiatic ExpeditionLow Start1 July 2017Unsourced statements (July 2017)
Kelp gooseLow Stub1 November 2009References needed (November 2009)
Ken SimmonsLow Start1 March 2013Orphaned (March 2013)
Kendall Island Migratory Bird SanctuaryLow Start1 May 2017Dead external links {{dead link}} (May 2017)
Kenn KaufmanLow Start2 November 2012BLP articles lacking sources (November 2012), Dead external links {{dead link}} (January 2018)
Kermadec IslandsLow Start1 December 2008References needed (December 2008)
Key Habitat SiteLow Stub2 March 2017References needed (March 2017), Dead external links {{dead link}} (May 2017)
King penguinLow B1 February 2017Introduction cleanup (February 2017)
King quailLow Start2 June 2014References needed (June 2014), Links needing disambiguation (September 2017)
Kirtland's warblerLow C2 February 2016Unsourced statements (February 2016), Dead external links {{dead link}} (December 2017)
Kite (bird)Mid List3 November 2014Expansion needed (June 2015), References needed (November 2014), Weasel-worded phrases (November 2014)
KiwiHigh B2 September 2013Unsourced statements (September 2013), References needed (February 2018)
KnipolegusMid Stub1 April 2010Sources lacking (April 2010)
Konrad LorenzMid Start1 July 2015Unsourced statements (July 2015)
KookaburraMid C1 2014Potentially dated statements (2014)
Kosi Bird ObservatoryLow Stub1 April 2016Wikilinks needed (April 2016)
Kranich MuseumLow Start1 August 2012Unsourced statements (August 2012)
KumimanuLow Stub2 February 2018Detailed references needed, In-text citations lacking (February 2018)
Kutch Bustard SanctuaryLow Start1 October 2010Dead external links {{dead link}} (October 2010)
KākārikiMid Start2 December 2017Dead external links {{dead link}} (December 2017), Unsourced statements (July 2018)
KākāwahieLow Stub1 January 2009References needed (January 2009)
KāmaʻoLow Start1 January 2009References needed (January 2009)
KōkakoMid Start1 April 2017In-text citations lacking (April 2017)
Labrador duckMid Start1 Web citation with no URL
LagopusLow Start1 April 2018Unsourced statements (April 2018)
Lake Albert (South Australia)Low Start1 April 2017Unsourced statements (April 2017)
Lake Alexandrina (South Australia)Low Start2 August 2015Unsourced statements (April 2016, August 2015)
Lake ArgyleLow Start1 May 2009Unsourced statements (May 2009)
Lake Bathurst (New South Wales)Low Start1 October 2013Unsourced statements (October 2013)
Lake CallabonnaLow Stub1 February 2015References needed (February 2015)
Lake EyreLow Start2 April 2016Unsourced statements (April 2016, June 2017)
Lake Galilee (Queensland)Low C3 November 2012Unsourced statements (November 2012), Weasel-worded phrases (October 2014), Dead external links {{dead link}} (December 2017)
Lake Hawdon System Important Bird AreaLow Stub1 October 2014Clarification needed (October 2014)
Lake JoondalupLow Stub1 February 2008Unsourced statements (February 2008)
Lake SárkányLow Stub2 February 2010Expansion needed (February 2010), Orphaned (February 2013)
Lakenheath Fen RSPB reserveLow Stub1 April 2009References needed (April 2009)
Lakes Muncoonie, Mumbleberry and Torquinie Important Bird AreaLow Stub1 October 2015Orphaned (October 2015)
Lamington National ParkLow C2 August 2013Unsourced statements (August 2013, May 2017)
LaniusMid Start1 February 2007Unsourced statements (February 2007)
Lappet-faced vultureLow Start1 April 2018References needed (April 2018)
LapwingMid C2 April 2008Unsourced statements (April 2008), Dead external links {{dead link}} (December 2017)
Large-billed reed warblerLow C2 April 2017Dead external links {{dead link}} (April 2017, September 2017)
Large-tailed nightjarLow Stub1 July 2014Unsourced statements (July 2014)
Largest living flying birds according to wingspanLow List1 May 2018Sources lacking (May 2018)
LariMid Start1 December 2017Dead external links {{dead link}} (December 2017)
LarkMid Start1 May 2014In-text citations lacking (May 2014)
Lars Jonsson (illustrator)Low Stub1 August 2008Incomplete lists (August 2008)
LarusMid Start1 December 2017Dead external links {{dead link}} (December 2017)
Laughing kookaburraLow B2 March 2012References needed (March 2012), Dead external links {{dead link}} (December 2017)
Laughing owlMid B1 October 2017In-text citations lacking (October 2017)
Laurel pigeonLow Start1 February 2017References needed (February 2017)
LavocatavisLow Stub1 July 2013Expansion needed (July 2013)
Layard's parakeetLow Start1 April 2018Dead external links {{dead link}} (April 2018)
Laysan albatrossLow B4 March 2011Detailed references needed, Unsourced statements (March 2011), Vague or ambiguous time (March 2011), Potentially dated statements (2015)
Laysan millerbirdLow Start1 December 2017Dead external links {{dead link}} (December 2017)
Laysan railLow C2 June 2010Unsourced statements (June 2010), Dead external links {{dead link}} (December 2017)
Lead poisoning in raptorsLow Start2 April 2018URL error, Minor POV problems (April 2018)
Leaf warblerMid Start1 June 2018Unsourced statements (June 2018)
Lear's macawLow Start2 August 2015Vague or ambiguous time (August 2015), Unsourced statements (August 2015)
Least aukletLow Start1 May 2012Clarification needed (May 2012)
Leghorn chickenLow Start1 May 2018Unsourced statements (May 2018)
LepidothrixMid Stub1 Citation with accessdate and no URL
LeptopogonMid Stub1 November 2013Sources lacking (November 2013)
Lesser cuckooLow Stub1 September 2015Unsourced statements (September 2015)
Lesser cuckooshrikeLow Stub1 December 2017Dead external links {{dead link}} (December 2017)
Lesser elaeniaLow Stub1 December 2017Dead external links {{dead link}} (December 2017)
Lesser flamingoLow Start1 December 2017Dead external links {{dead link}} (December 2017)
Lesser floricanLow C2 Citation with bare URL, Citation lacking title
Lesser koa finchLow Start5 March 2010References needed (March 2010), Unsourced statements (June 2011), Weasel-worded phrases (June 2011), Vague or ambiguous time (June 2011), In-text citations lacking (February 2012)
Lesser melampittaLow Stub1 December 2017Dead external links {{dead link}} (December 2017)
Lesser scaupLow C1 January 2016Unsourced statements (January 2016)
Lesser vasa parrotMid Start1 March 2009Unsourced statements (March 2009)
Lesser whitethroatLow Start2 April 2007Unsourced statements (April 2007, August 2011)
Lesser woodcreeperLow Stub1 December 2017Dead external links {{dead link}} (December 2017)
Lesser ʻakialoaLow Stub1 October 2015Unsourced statements (October 2015)
Lessonia (bird)Mid Stub1 May 2011Sources lacking (May 2011)
LeucocytozoonLow Start3 September 2015Detailed references needed, Unsourced statements (September 2015), References needed (September 2015)
Light level geolocatorLow Start1 October 2016Unsourced statements (October 2016)
Lilac-breasted rollerLow C1 December 2017Dead external links {{dead link}} (December 2017)
Limassol Salt LakeLow Stub1 October 2013Unsourced statements (October 2013)
Lineated woodpeckerLow Start1 CS1 errors: external links
LinquornisLow Stub1 May 2016Sources lacking (May 2016)
List of Birdlife International national partner organisationsLow List1 December 2013Obsolete information (December 2013)
List of Charadriiformes by populationMid List1 December 2017Dead external links {{dead link}} (December 2017)
List of Columbidae generaLow List1 November 2010Factual verification needed (November 2010)
List of Corvus speciesLow List1 June 2011References needed (June 2011)
List of Galliformes by populationMid List1 December 2017Dead external links {{dead link}} (December 2017)
List of Gruiformes by populationMid List1 December 2017Dead external links {{dead link}} (December 2017)
List of Important Bird Areas in East TimorLow List1 October 2017Orphaned (October 2017)
List of Important Bird Areas in the United KingdomLow List1 August 2008Incomplete lists (August 2008)
List of Late Quaternary prehistoric bird speciesLow List3 January 2008Factual verification needed (January 2008, September 2008), In-text citations lacking (January 2016)
List of Piciformes by populationMid List1 December 2017Dead external links {{dead link}} (December 2017)
List of Procellariidae speciesLow Start1 August 2009In-text citations lacking (August 2009)
List of Recent Holarctic Bird SpeciesLow Stub1 October 2008References needed (October 2008)
List of Sphenisciformes by populationMid List1 December 2017Dead external links {{dead link}} (December 2017)
List of Suliformes by populationMid List4 March 2017Expert attention needed (March 2017), Sources lacking (March 2017), Too technical (March 2017)
List of U.S. county birdsLow List1 August 2008Incomplete lists (August 2008)
List of United Kingdom bird clubs and ornithological societiesLow List1 December 2016Incomplete lists (December 2016)
List of bird generaHigh List1 November 2013Sources lacking (November 2013)
List of bird species discovered since 1900Mid List1 July 2013Clarification needed (July 2013)
List of birding booksLow List1 September 2011References needed (September 2011)
List of birds by common nameLow List1 January 2015Expansion needed (January 2015)
List of birds by flight heightsLow List1 July 2016Unsourced statements (July 2016)
List of birds by flight speedLow List1 April 2013Dead external links {{dead link}} (April 2013)
List of birds by populationMid List1 December 2017Dead external links {{dead link}} (December 2017)
List of birds displaying homosexual behaviorLow List1 February 2018Unsourced statements (February 2018)
List of birds of Andhra PradeshLow List1 June 2014Unsourced statements (June 2014)
List of birds of BangaloreLow List2 September 2008Unsourced statements (September 2008, February 2013)
List of birds of BangladeshLow List1 December 2012Unsourced statements (December 2012)
List of birds of BulgariaLow List1 August 2017Sources lacking (August 2017)
List of birds of ChennaiLow List1 December 2014Clarification needed (December 2014)
List of birds of ConnecticutLow List1 Citation with accessdate and no URL
List of birds of CyprusLow List1 August 2017References needed (August 2017)
List of birds of Great BritainLow List1 January 2018Potentially dated statements (January 2018)
List of birds of Japan (non-passerine)Low List1 August 2017Sources lacking (August 2017)
List of birds of Japan (passerine)Low List1 August 2017Sources lacking (August 2017)
List of birds of JinjaMid List1 April 2012Sources lacking (April 2012)
List of birds of KarnatakaLow List1 October 2012Reference cleanup (October 2012)
List of birds of King Island (Tasmania)Low List2 November 2011References needed (November 2011), Unsourced statements (July 2015)
List of birds of KoreaLow List1 December 2017Dead external links {{dead link}} (December 2017)
List of birds of LaosLow List1 August 2008References needed (August 2008)
List of birds of North America (Apodiformes)Low List1 July 2012Unsourced statements (July 2012)
List of birds of North America (Caprimulgiformes)Low List1 March 2013Sources lacking (March 2013)
List of birds of PalestineLow List1 Reference errors
List of birds of South AsiaLow List1 February 2008In-text citations lacking (February 2008)
List of birds of South Asia: part 1Low List1 January 2008Sources lacking (January 2008)
List of birds of South Asia: part 2Low List1 January 2008Sources lacking (January 2008)
List of birds of South Asia: part 3Low List1 January 2008Sources lacking (January 2008)
List of birds of South Asia: part 4Low List1 January 2008Sources lacking (January 2008)
List of birds of South KoreaLow List1 February 2008In-text citations lacking (February 2008)
List of birds of Southern AfricaMid List3 February 2018Citation lacking title, Web citation with no URL, Unsourced statements (February 2018)
List of birds of São Tomé and PríncipeLow List1 October 2010Dead external links {{dead link}} (October 2010)
List of birds of TajikistanLow List1 April 2008Unsourced statements (April 2008)
List of birds of Tamil NaduLow List1 February 2014Unsourced statements (February 2014)
List of birds of TennesseeLow List1 September 2017Unsourced statements (September 2017)
List of birds of ViequesLow FL1 July 2010In-text citations lacking (July 2010)
List of birds of WalesLow List1 December 2017Dead external links {{dead link}} (December 2017)
List of birds of the ComorosLow List1 March 2010Unsourced statements (March 2010)
List of birds of the Madrean Sky IslandsLow List2 October 2009Sources lacking (October 2009), Orphaned (September 2014)
List of birds of the MaldivesLow List2 August 2017Unsourced statements (August 2017), References needed (August 2017)
List of birds of the worldMid List1 May 2015Incomplete lists (May 2015)
List of birdwatchersLow List4 August 2008Unsourced statements (December 2009), Incomplete lists (August 2008), Citation with bare URL, Citation lacking title
List of brood parasitic passerinesLow List1 May 2016References needed (May 2016)
List of duck breedsLow List1 May 2018Unsourced statements (May 2018)
List of endemic birds of BorneoLow List2 June 2008Sources lacking (December 2009), Expansion needed (June 2008)
List of endemic birds of JapanLow Stub3 June 2008Expansion needed (June 2008), Incomplete lists (August 2008), Sources lacking (October 2012)
List of endemic birds of Mexico and northern Central AmericaLow Stub2 June 2008Expansion needed (June 2008), Incomplete lists (August 2008)
List of endemic birds of South AsiaLow List1 October 2015References needed (October 2015)
List of endemic birds of SulawesiLow List1 August 2012Expansion needed (August 2012)
List of endemic birds of eastern North AmericaLow Stub2 June 2008Expansion needed (June 2008), Incomplete lists (August 2008)
List of endemic birds of the HimalayasLow List2 August 2012Sources lacking (August 2012), Incomplete lists (August 2012)
List of endemic birds of the PhilippinesLow List2 August 2008Incomplete lists (August 2008), References needed (December 2015)
List of endemic birds of the West IndiesLow Start1 August 2008Incomplete lists (August 2008)
List of endemic birds of the Western PalearcticLow Stub1 August 2008Incomplete lists (August 2008)
List of endemic birds of western North AmericaLow Stub1 August 2008Incomplete lists (August 2008)
List of fictional birdsLow List1 July 2011References needed (July 2011)
List of fictional ducksLow List2 December 2010References needed (December 2010), Unsourced statements (January 2015)
List of fossil species in the La Brea Tar PitsLow List1 June 2013Expansion needed (June 2013)
List of hummingbirdsMid List1 January 2010Sources lacking (January 2010)
List of invasive species in the EvergladesLow FL1 June 2017Dead external links {{dead link}} (June 2017)
List of kakapoLow List1 January 2017Unsourced statements (January 2017)
List of largest birdsLow List3 March 2016Dead external links {{dead link}} (March 2016, January 2018), Unsourced statements (May 2016)
List of names for turkeysLow List2 November 2012References needed (December 2012), Notability unclear (November 2012)
List of national birdsLow List2 Web citation with no URL, Citation with accessdate and no URL
List of native Philippine chicken breedsLow Start1 June 2014Unsourced statements (June 2014)
List of nocturnal birdsLow List1 December 2011References needed (December 2011)
List of official city birdsLow List1 January 2018Dead external links {{dead link}} (January 2018)
List of ornithology awardsLow List1 February 2011Incomplete lists (February 2011)
List of pigeon breedsLow List1 February 2018Original research (February 2018)
List of recently extinct bird speciesHigh List3 October 2007Factual verification needed (October 2007, January 2010), Dead external links {{dead link}} (January 2018)
List of seawatching locations by countryLow List1 August 2008Incomplete lists (August 2008)
List of secondary endemic bird areas of the worldLow List1 August 2008Incomplete lists (August 2008)
List of semiaquatic tetrapodsLow List1 April 2016Incomplete lists (April 2016)
List of terms used in bird topographyMid List1 August 2008Incomplete lists (August 2008)
Lists of birds of Canada and the United StatesNA Disambig1 July 2018Uncategorized (July 2018)
Little aukLow Start3 July 2015Citation with accessdate and no URL, Unsourced statements (June 2016, July 2015)
Little blue heronLow Start1 November 2010In-text citations lacking (November 2010)
Little egretLow GA1 February 2016Unsourced statements (February 2016)
Little grebeLow Start2 Web citation with no URL, Citation with accessdate and no URL
Little penguinLow Start2 March 2014Citation with accessdate and no URL, Unsourced statements (March 2014)
Little ravenLow C2 January 2015Unsourced statements (February 2015, January 2015)
Liver birdLow Start2 June 2011Unsourced statements (June 2011), Dead external links {{dead link}} (January 2018)
LocustellidaeHigh Stub1 May 2017Dead external links {{dead link}} (May 2017)
Loja tyrannuletLow Stub1 November 2017References needed (November 2017)
LonchodytesLow Stub2 November 2007Factual verification needed (November 2007), Unsourced statements (November 2007)
Long Lake Wetland Management DistrictLow Stub1 Coordinates needed
Long-billed corellaMid Start1 August 2016Unsourced statements (August 2016)
Long-billed hermitLow Start1 September 2015References needed (September 2015)
Long-eared owlLow Start1 June 2015Unsourced statements (June 2015)
Long-tailed duckMid Start2 June 2012Unsourced statements (May 2014), References needed (June 2012)
Long-tailed jaegerLow Start2 Web citation with no URL, Citation with accessdate and no URL
Long-tailed shrikeLow C1 May 2012Unsourced statements (May 2012)
Long-tailed starlingLow Start1 May 2016Unsourced statements (May 2016)
Long-tailed sylphLow Stub2 May 2011Unsourced statements (May 2011, July 2015)
Long-tufted screech owlLow Stub1 June 2014Original research (June 2014)
LongspurMid Stub1 June 2017References needed (June 2017)
LoonTop B4 August 2009Factual verification needed (August 2009), Unsourced statements (September 2015, July 2017), References needed (July 2017)
Lord Derby's parakeetMid Start1 June 2017Unsourced statements (June 2017)
Lord Howe gerygoneLow Stub1 January 2016Unsourced statements (January 2016)
Lord Howe woodhenLow Start1 August 2015Unsourced statements (August 2015)
Lories and lorikeetsMid Start2 November 2011Weasel-worded phrases (November 2011), Unsourced statements (June 2015)
Louis FraserLow Start1 Web citation with no URL
Louis L. MowbrayLow Start1 February 2013In-text citations lacking (February 2013)
Louisiade imperial pigeonLow Stub1 September 2015Orphaned (September 2015)
LovebirdMid C4 February 2011Unsourced statements (February 2011, March 2017, June 2018), Cleanup needed (June 2017)
LudiortyxLow Stub3 January 2013Expert attention needed (January 2013), Accuracy disputes or self-published (January 2013)
Luzon bleeding-heartLow Start2 November 2013References needed (November 2013), Unsourced statements (April 2016)
Luzon hornbillLow Stub4 October 2008Unsourced statements (October 2008), References needed (April 2010), Clarification needed (May 2014), Vague or ambiguous time (May 2014)
Lyman BeldingLow Stub1 October 2016References needed (October 2016)
LyncornisMid Stub1 April 2013Sources lacking (April 2013)
LyrebirdHigh C1 October 2011Page number citations needed (October 2011)
Léon Olphe-GalliardLow Stub1 January 2018Expansion needed (January 2018)
MacawMid C1 November 2010Unsourced statements (November 2010)
MachaerirhynchusLow Stub1 October 2016Sources lacking (October 2016)
MackenziaenaMid Stub1 2017Potentially dated statements (2017)
Macquarie shagLow Start1 April 2011Unsourced statements (April 2011)
MacranhingaLow Stub1 June 2018Expansion needed (June 2018)
Madagascan fish eagleLow Start1 May 2011Page number citations needed (May 2011)
Madhu Road National ParkLow Start1 May 2017Dead external links {{dead link}} (May 2017)
MagnetoreceptionLow C2 October 2012Unsourced statements (October 2012, July 2018)
Magnificent riflebirdLow Stub2 April 2016Unsourced statements (April 2016), References needed (April 2016)
Magpie duckLow Start3 July 2013In-text citations lacking (July 2013), Cleanup needed (June 2014), Style editing needed (June 2015)
Magpie gooseLow Start1 June 2015Original research (June 2015)
Malabar trogonLow B1 November 2016Unsourced statements (November 2016)
MalacorhynchusLow Stub1 May 2014Sources lacking (May 2014)
Malay chickenLow Stub1 May 2018References needed (May 2018)
Malayan peacock-pheasantLow Stub1 May 2009Factual verification needed (May 2009)
Malaysian ploverLow Start1 January 2018Dead external links {{dead link}} (January 2018)
Malcolm OgilvieLow Start1 August 2008Incomplete lists (August 2008)
MallardLow GA1 August 2017Unsourced statements (August 2017)
MalleefowlLow Start1 March 2018Unsourced statements (March 2018)
Mammals and Birds Excluder DeviceLow Stub1 January 2018Dead external links {{dead link}} (January 2018)
MamoMid Start1 April 2018Merge needed (April 2018)
MancallinaeLow Start1 February 2007Unsourced statements (February 2007)
Mandarin duckMid Start1 August 2011Unsourced statements (August 2011)
Mangrove railLow Stub1 Citation with accessdate and no URL
Mangrove vireoLow Stub1 CS1 errors: external links
Mani the parakeetLow Start1 July 2010Expansion needed (July 2010)
Manu parrotletLow Start2 May 2010Style editing needed (May 2010), Weasel-worded phrases (January 2014)
MaransLow Start1 August 2014Expansion needed (August 2014)
Marbled murreletLow C1 February 2017Unsourced statements (February 2017)
Marc Athanase Parfait Œillet des MursLow Start1 Citation lacking title
March of the PenguinsMid B1 August 2017Dead external links {{dead link}} (August 2017)
Mare aux SongesLow Start2 September 2012Expansion needed (June 2013), Page number citations needed (September 2012)
Margaret Morse Nice MedalLow Stub1 April 2015References needed (April 2015)
Mariana crowLow Start1 December 2015Unsourced statements (December 2015)
Mariana fruit doveLow Start1 June 2017Dead external links {{dead link}} (June 2017)
Mariana mallardLow Start3 January 2010Unsourced statements (January 2010, September 2011), Citation lacking title
Marie Jules César SavignyLow Start2 August 2008Incomplete lists (August 2008), References needed (November 2016)
Mark CockerLow C1 Citation lacking title
Maroon orioleLow Stub1 January 2018Dead external links {{dead link}} (January 2018)
Marquesan kingfisherLow Stub1 March 2016Unsourced statements (March 2016)
Marquesan swiftletLow Stub1 June 2017Dead external links {{dead link}} (June 2017)
Marquesas swamphenLow Stub1 February 2012Unsourced statements (February 2012)
Martin GarnerLow Stub2 August 2008Unsourced statements (August 2008), Dead external links {{dead link}} (January 2018)
Marvellous spatuletailLow Stub1 November 2012Unsourced statements (November 2012)
Masked boobyLow Start2 Web citation with no URL, Citation with accessdate and no URL
Masked crimson tanagerLow Start1 June 2011Unsourced statements (June 2011)
Masked lapwingLow Start1 May 2010References needed (May 2010)
Mata do Passarinho ReserveLow Start1 Coordinates needed
Matsue Vogel ParkLow Stub1 December 2009Sources lacking (December 2009)
Matteo BotteriLow Stub1 December 2009Sources lacking (December 2009)
Maud Doria HavilandLow Stub1 April 2018Dead external links {{dead link}} (April 2018)
Maui Nui finchLow Start1 November 2007Unsourced statements (November 2007)
Maui nukupuʻuLow Stub1 December 2009Unsourced statements (December 2009)
Mauritius kestrelLow Start1 February 2007Unsourced statements (February 2007)
Maya (bird)Low Start1 January 2018Dead external links {{dead link}} (January 2018)
McCormick IslandMid Start1 May 2008In-text citations lacking (May 2008)
McIlwraith RangeLow Stub1 January 2018Dead external links {{dead link}} (January 2018)
Meadow pipitLow Start1 April 2018Unsourced statements (April 2018)
Mediterranean flycatcherLow Start2 Web citation with no URL, Citation with accessdate and no URL
Medium tree finchLow Start1 May 2009Unsourced statements (May 2009)
MegaceryleMid Start1 January 2018Dead external links {{dead link}} (January 2018)
MegadyptesMid Stub1 December 2009Sources lacking (December 2009)
MeliphagaMid Stub1 October 2009Sources lacking (October 2009)
MelipotesMid Stub1 October 2009Sources lacking (October 2009)
Meller's duckLow Start2 January 2010Unsourced statements (November 2011, January 2010)
Melodious blackbirdLow Start1 October 2017References needed (October 2017)
Memorandum of Understanding on the Conservation of Migratory Birds of Prey in Africa and EurasiaLow Start1 September 2015Reorganization needed (September 2015)
Mendijur Ornithological ParkLow Stub2 February 2013Coordinates needed, Orphaned (February 2013)
Mercury IslandLow Start1 January 2018Dead external links {{dead link}} (January 2018)
Merlin (bird)Low C1 October 2009Unsourced statements (October 2009)
MesembriornisMid Stub1 January 2018Dead external links {{dead link}} (January 2018)
Mews (falconry)Low Stub1 December 2013Sources lacking (December 2013)
Mexican woodnymphLow Stub1 January 2018Dead external links {{dead link}} (January 2018)
Michael Clarke (ornithologist)Low Stub2 February 2010BLP articles lacking sources (February 2010), Dead external links {{dead link}} (January 2018)
Michael RankLow Stub1 April 2015Orphaned (April 2015)
Michale FeeLow Stub1 February 2013BLP articles lacking sources (February 2013)
Michele RaffinLow Stub1 February 2015Orphaned (February 2015)
MigrantWatchLow Stub1 January 2018Dead external links {{dead link}} (January 2018)
Migratory Bird TreatyHigh Start1 August 2016References needed (August 2016)
Migratory Bird Treaty Act of 1918Low Start1 April 2018Clarification needed (April 2018)
Mike the Headless ChickenLow C1 July 2017Clarification needed (July 2017)
Miklos UdvardyLow Start3 February 2016References needed (February 2016), Notability unclear (February 2016), Dead external links {{dead link}} (May 2017)
Military macawMid C2 February 2017References needed (February 2017, May 2017)
MilvagoMid Stub1 August 2008Unsourced statements (August 2008)
MimidHigh Start1 June 2008Expansion needed (June 2008)
Mindanao hornbillLow Start1 May 2014Vague or ambiguous time (May 2014)
Mini-macawLow Stub2 December 2008Unsourced statements (December 2008), CS1 errors: external links
Minneriya National ParkLow C1 February 2016Vague or ambiguous time (February 2016)
MinokawaLow Start1 February 2016Unsourced statements (February 2016)
Mississippi FlywayLow Stub2 September 2007Unsourced statements (September 2007), Sources lacking (March 2016)
Mississippi kiteLow Start1 May 2014Unsourced statements (May 2014)
Mist netLow C1 May 2015Unsourced statements (May 2015)
Mitchell Durno MurrayLow Start1 February 2007Unsourced statements (February 2007)
Mitred parakeetLow Start1 November 2008References needed (November 2008)
Moa-naloLow Start3 February 2007References needed (December 2009), Unsourced statements (February 2007, October 2009)
MockingbirdMid Start1 June 2017References needed (June 2017)
Modern Game fowlLow Start1 June 2012References needed (June 2012)
Monk parakeetLow C2 April 2009In-text citations lacking (April 2009), Citation with accessdate and no URL
Montagne Glacis Important Bird AreaLow Stub1 September 2015Orphaned (September 2015)
Montagu's harrierLow B1 November 2009Unsourced statements (November 2009)
Montebello IslandsLow Start2 October 2017Weasel-worded phrases (October 2017), Unsourced statements (October 2017)
Moreton BayLow B4 March 2009Unsourced statements (March 2009, September 2017, March 2018), Dead external links {{dead link}} (October 2013)
Moriche orioleLow Start1 April 2008Factual verification needed (April 2008)
Mornington SanctuaryLow Start1 February 2018Dead external links {{dead link}} (February 2018)
MotutakapuLow Stub1 January 2015Orphaned (January 2015)
Mount KumgangLow C5 April 2010Unsourced statements (April 2010), Expansion needed (July 2013), CS1 errors: external links, CS1 errors: invisible characters, Dead external links {{dead link}} (February 2018)
Mountain hawk-eagleLow Start2 February 2018Citation lacking title, Dead external links {{dead link}} (February 2018)
Mountain ploverLow Start1 March 2016In-text citations lacking (March 2016)
Mourning warblerLow Stub3 Citation with bare URL, Citation lacking title, URL error
MousebirdHigh Start1 March 2015Unsourced statements (March 2015)
Mousehole Wild Bird Hospital and SanctuaryLow Stub1 March 2009Sources lacking (March 2009)
Mr RutlandLow Stub1 March 2017Wikilinks needed (March 2017)
MulardLow Start1 July 2011Unsourced statements (July 2011)
Murphy's petrelLow Stub1 August 2011In-text citations lacking (August 2011)
Muscle protractor pterygoidei et quadratiLow Stub1 March 2010Sources lacking (March 2010)
Musk duckLow C1 February 2018Dead external links {{dead link}} (February 2018)
Musk lorikeetMid Start1 November 2010Unsourced statements (November 2010)
Mute swanLow B5 September 2011Detailed references needed, Unsourced statements (September 2011, December 2012, October 2016), Dead external links {{dead link}} (February 2018)
MyadestesMid Stub1 December 2009Sources lacking (December 2009)
MynaMid Start1 June 2011References needed (June 2011)
MyrmotheraMid Stub1 April 2010Sources lacking (April 2010)
N'kisiLow Start1 December 2016Dead external links {{dead link}} (December 2016)
Nacunda nighthawkLow Start1 September 2015Unsourced statements (September 2015)
Najafgarh drain bird sanctuaryLow C1 Coordinates needed
Naked NeckLow Stub1 May 2018Unsourced statements (May 2018)
NanantiusMid Start1 February 2007Unsourced statements (February 2007)
Nankin bantamLow Start1 May 2017Unsourced statements (May 2017)
Narganá Wilderness AreaLow Stub1 Coordinates needed
National Audubon SocietyMid Start3 October 2012Clarification needed (October 2012), Unsourced statements (October 2016), Vague or ambiguous time (January 2018)
National AviaryMid C1 July 2012Unsourced statements (July 2012)
Nature reserves in the North Norfolk Coast Site of Special Scientific InterestLow FL1 September 2017Dead external links {{dead link}} (September 2017)
Nauru reed warblerLow FA1 September 2017Dead external links {{dead link}} (September 2017)
Near passerineLow Stub2 February 2007Unsourced statements (February 2007), References needed (June 2012)
Negros bleeding-heartLow Stub1 May 2017Unsourced statements (May 2017)
NeodrepanisMid Stub1 April 2018References needed (April 2018)
NeognathaeTop C1 January 2012Unsourced statements (January 2012)
NeomorphidaeMid Stub1 December 2009Sources lacking (December 2009)
NeopelmaMid Stub1 April 2018References needed (April 2018)
NeotheropodaLow Stub1 June 2018Unsourced statements (June 2018)
Neotropical Birds OnlineLow Stub2 May 2009Notability unclear (May 2009), In-text citations lacking (May 2009)
Neotropical bellbirdLow Start1 December 2009Sources lacking (December 2009)
NesotrochisLow Stub1 April 2016References needed (April 2016)
Nest box cameraLow Stub2 February 2014References needed (February 2014), Unsourced statements (June 2017)
Nesting seasonLow Stub1 November 2013Sources lacking (November 2013)
Neville William CayleyLow Start1 January 2018References needed (January 2018)
New Caledonian crowLow Start2 August 2014Unsourced statements (August 2014), Dead external links {{dead link}} (February 2018)
New Caledonian lorikeetLow C2 November 2013Update needed (November 2013), In-text citations lacking (July 2015)
New Hampshire chickenLow Stub1 May 2018References needed (May 2018)
New IslandLow Start1 December 2017Dead external links {{dead link}} (December 2017)
New Jersey Audubon SocietyLow Start1 November 2010Reliable references lacking (November 2010)
New World blackbirdMid Stub1 November 2013References needed (November 2013)
New World vultureHigh B2 October 2009Unsourced statements (October 2009), Citation lacking title
New York City AudubonLow Start1 May 2017Update needed (May 2017)
New Zealand gooseLow Stub1 February 2009Sources lacking (February 2009)
New Zealand king shagLow Stub1 October 2007Unsourced statements (October 2007)
New Zealand owlet-nightjarLow Start1 October 2009In-text citations lacking (October 2009)
New Zealand pigeonLow B1 January 2010Unsourced statements (January 2010)
New Zealand storm petrelLow Start1 2010Potentially dated statements (2010)
New Zealand wrenHigh B1 August 2007Unsourced statements (August 2007)
Nicobar bulbulLow Start1 February 2018Dead external links {{dead link}} (February 2018)
Nicobar pigeonMid Start1 May 2009Factual verification needed (May 2009)
NidicolousLow Stub3 February 2010References needed (February 2010), Expert attention needed (March 2011)
Nigel CleereLow Stub1 December 2016Expansion needed (December 2016)
Night heronMid Stub1 December 2009Sources lacking (December 2009)
Night parrotLow C3 July 2017Citation with accessdate and no URL, Unsourced statements (July 2017), Dead external links {{dead link}} (April 2018)
Nik BorrowLow Stub4 November 2010Unsourced statements (August 2013), BLP articles lacking sources (November 2010), Conflict of interest (August 2013), Notability unclear (June 2013)
Nikolaas TinbergenMid Start2 April 2014Unsourced statements (November 2015), Page number citations needed (April 2014)
Nikolai ZarudnyLow Stub1 October 2011Unsourced statements (October 2011)
Nils OlavLow C1 January 2017Unsourced statements (January 2017)
Nine-primaried oscineLow Stub1 April 2007Unsourced statements (April 2007)
NinoxMid Stub1 February 2007Unsourced statements (February 2007)
Ninox novaeseelandiae ocellataLow C2 June 2016Orphaned (June 2016), Wikilinks needed (June 2017)
Noel LearmonthLow Stub1 February 2009References needed (February 2009)
Nordmann's greenshankLow Stub1 January 2008Factual verification needed (January 2008)
Norfolk IslandLow B8 2004Potentially dated statements (2004, 2010, 2014), Unsourced statements (February 2015, March 2015, June 2016), Dead external links {{dead link}} (February 2018), References needed (June 2018)
Norfolk kakaMid Start1 April 2018Dead external links {{dead link}} (April 2018)
Norfolk starlingLow Start1 May 2017Unsourced statements (May 2017)
North American landbirds in BritainLow Stub1 August 2008Incomplete lists (August 2008)
North Island brown kiwiLow Start2 February 2008Unsourced statements (February 2008, November 2017)
North Norfolk Coast Site of Special Scientific InterestMid FA2 September 2016Dead external links {{dead link}} (September 2016, October 2017)
North Warren RSPB reserveLow Start2 October 2010Expansion needed (January 2011), Dead external links {{dead link}} (October 2010)
North West IslandLow Start1 May 2010Unsourced statements (May 2010)
Northern bobwhiteLow Start2 May 2014References needed (May 2014), Unsourced statements (January 2018)
Northern cassowaryLow Start1 March 2018Unsourced statements (March 2018)
Northern crested caracaraLow C2 January 2011Unsourced statements (January 2011), Dead external links {{dead link}} (August 2014)
Northern flickerLow Start1 Citation with accessdate and no URL
Northern grey-headed sparrowLow Start1 December 2009References needed (December 2009)
Northern harrierMid Start1 March 2017Unsourced statements (March 2017)
Northern lapwingLow Start1 October 2016Unsourced statements (October 2016)
Northern pied babblerLow Stub1 August 2017In-text citations lacking (August 2017)
Northern red-billed hornbillLow Stub1 May 2018In-text citations lacking (May 2018)
Northern rockhopper penguinLow Start2 February 2013Unsourced statements (February 2013, December 2015)
Northern spotted owlLow Start3 2010Potentially dated statements (2010), Unsourced statements (June 2014), Vague or ambiguous time (June 2014)
NothurinaeLow Stub1 December 2013Reference cleanup (December 2013)
Nuttall Ornithological ClubLow Stub1 November 2012Expansion needed (November 2012)
Nuttall's woodpeckerLow Stub1 June 2012Page number citations needed (June 2012)
NycticoraxMid Start1 July 2009Factual verification needed (July 2009)
Nēnē-nuiLow Start1 June 2011In-text citations lacking (June 2011)
Oaxaca sparrowLow Stub1 November 2013Unsourced statements (November 2013)
Oceanic eclectus parrotLow Stub1 July 2018Page number citations needed (July 2018)
Ochre-backed woodpeckerLow Stub1 Citation with accessdate and no URL
Ochre-marked parakeetLow Start1 August 2012References needed (August 2012)
OdontopteryxLow C4 August 2009In-text citations lacking (August 2009), Factual verification needed (August 2009, September 2009), Dead external links {{dead link}} (March 2018)
Old English Game fowlLow Stub1 November 2016Expansion needed (November 2016)
Old English Pheasant fowlLow Stub1 December 2016Weasel-worded phrases (December 2016)
Old Fashioned Oriental FrillLow Start2 June 2008Unsourced statements (June 2008, October 2011)
Old World babblerHigh Start1 June 2008Unsourced statements (June 2008)
Old World warblerHigh Start2 June 2008Unsourced statements (June 2008), Dead external links {{dead link}} (May 2017)
Olfactory navigationLow Start1 February 2010Unsourced statements (February 2010)
Olive-throated parakeetLow Start1 January 2016Unsourced statements (January 2016)
OlomaʻoLow Stub1 January 2009References needed (January 2009)
Olsholmen Bird SanctuaryLow Stub1 Coordinates needed
OologyLow Start1 June 2015Limited geographic scope (June 2015)
Opaline budgerigar mutationLow C1 Citation lacking title
Operation ChoughLow Stub1 October 2014Orphaned (October 2014)
Operation MigrationLow Stub4 March 2011Update needed (March 2011), References needed (February 2013), Weasel-worded phrases (December 2017), Unsourced statements (December 2017)
OpisthocomidaeHigh Stub1 June 2018Unsourced statements (June 2018)
Orange-bellied parrotLow C1 May 2012Unsourced statements (May 2012)
Orange-cheeked waxbillLow Start1 November 2010References needed (November 2010)
Orange-chinned parakeetLow Stub1 June 2008Unsourced statements (June 2008)
Organic egg productionLow Start3 February 2011References needed (April 2011, March 2015), Limited geographic scope (February 2011)
Oriental magpieLow Start1 Reference errors
Origin of avian flightMid Start3 April 2014In-text citations lacking (April 2014), Clarification needed (April 2014), DOIs inactive (2017)
Origin of birdsHigh B2 March 2018Detailed references needed, Dead external links {{dead link}} (March 2018)
Ornate tinamouLow Start1 January 2010Unsourced statements (January 2010)
OrnimegalonyxMid Start1 June 2014Unsourced statements (June 2014)
Ornithological handbookLow Stub1 December 2009Sources lacking (December 2009)
Orpington chickenLow Start1 August 2014Unsourced statements (August 2014)
OscaravisLow Stub2 October 2012Sources lacking (October 2012), Weasel-worded phrases (November 2012)
Oskar Engelhard von Löwis of MenarLow Stub1 July 2015Orphaned (July 2015)
Osmussaare Landscape ReserveLow Stub1 May 2018Sources lacking (May 2018)
OsteodontornisLow C1 September 2009Factual verification needed (September 2009)
Ostrich leatherLow C1 November 2012Clarification needed (November 2012)
Othmar ReiserLow Stub1 March 2009Sources lacking (March 2009)
Outline of birdsTop Start1 August 2009Expansion needed (August 2009)
OwlTop C4 July 2010Unsourced statements (December 2012, June 2011, November 2013), Clarification needed (July 2010)
Owl holeLow Start2 January 2016Unsourced statements (January 2016), Failed verification (January 2016)
Owlet-nightjarHigh Start1 February 2008Factual verification needed (February 2008)
PachycephalidaeHigh Start1 June 2008Unsourced statements (June 2008)
PachyornisMid Start1 February 2009Reliable references lacking (February 2009)
Pachyornis australisLow Start1 November 2013Unsourced statements (November 2013)
Pacific Seabird GroupLow Start2 June 2009Reliable references lacking (June 2009), References needed (May 2017)
Pacific wrenLow Start1 October 2010In-text citations lacking (October 2010)
Paektu MountainLow C8 April 2015Unsourced statements (September 2015, May 2016, April 2015, June 2015, April 2017), Cleanup needed (January 2016, January 2016), Dead external links {{dead link}} (December 2017)
Pag-asa (eagle)Low Start1 CS1 errors: dates
Painted buntingLow Start1 CS1 errors: external links
Painted sandgrouseLow Stub1 May 2017Reliable references lacking (May 2017)
Pakistani HighflyerLow Stub1 January 2016References needed (January 2016)
PalaelodusLow Stub1 January 2018Unsourced statements (January 2018)
PalaeoephippiorhynchusLow Stub1 May 2009Factual verification needed (May 2009)
PalaeognathaeTop C3 February 2011Unsourced statements (May 2014, May 2012, February 2011)
PalaeospheniscusLow Start1 February 2007Unsourced statements (February 2007)
Palaeospheniscus gracilisLow Start1 February 2007Unsourced statements (February 2007)
Palaeospheniscus wimaniLow Start1 September 2017Unsourced statements (September 2017)
Palawan peacock-pheasantLow Start2 February 2007Unsourced statements (February 2007), References needed (August 2013)
Palawan swiftletLow Stub1 May 2013Dead external links {{dead link}} (May 2013)
Pale crag martinLow FA1 September 2017Dead external links {{dead link}} (September 2017)
Pale flycatcherLow Stub1 Detailed references needed
PalintropusLow Stub1 September 2011Factual verification needed (September 2011)
Pallas's fish eagleLow Start1 January 2018Unsourced statements (January 2018)
Pallid cuckooLow Start2 July 2017Unsourced statements (July 2017), Dead external links {{dead link}} (February 2018)
Pallid harrierLow Start1 December 2016Unsourced statements (December 2016)
Pallid scops owlLow Start1 May 2014Failed verification (May 2014)
Palm cockatooMid C4 April 2010Unsourced statements (April 2010, April 2016, July 2017), Disputed statements (January 2014)
Palm tanagerLow Stub1 August 2011In-text citations lacking (August 2011)
Palm-nut vultureMid Start2 May 2018CS1 errors: dates, Failed verification (May 2018)
Pamela C. RasmussenLow GA1 December 2017Dead external links {{dead link}} (December 2017)
Pan-African Ornithological CongressLow Start1 February 2014References needed (February 2014)
Papuan frogmouthLow Start1 January 2015Unsourced statements (January 2015)
Papuan king parrotLow Start1 June 2009Unsourced statements (June 2009)
ParadigallaMid Stub1 September 2009Sources lacking (September 2009)
Paradise riflebirdLow Stub1 April 2016Unsourced statements (April 2016)
ParahawkingLow Start1 September 2011Unsourced statements (September 2011)
ParahesperornisLow Start1 November 2007Factual verification needed (November 2007)
ParakeetMid Start1 January 2009References needed (January 2009)
ParaphysornisLow Stub1 August 2012Expansion needed (August 2012)
ParaptenodytesLow Stub1 September 2011Unsourced statements (September 2011)
ParoideaLow Stub1 February 2018Sources lacking (February 2018)
Parrot harnessLow Stub4 March 2009Cleanup needed (July 2009, July 2009), Weasel-worded phrases (March 2009), Dead external links {{dead link}} (March 2018)
Parrot trainingLow Start3 August 2009References needed (August 2009), Unsourced statements (November 2010, February 2011)
ParrotletMid Start4 January 2010Expert attention needed (January 2010), Unsourced statements (May 2010), References needed (September 2014)
Parrots InternationalLow Stub1 November 2010Notability unclear (November 2010)
Parrots of New GuineaLow Stub1 January 2008Sources lacking (January 2008)
ParulaMid Start2 Citation with bare URL, Citation lacking title
PasserellidaeMid Stub1 March 2018Dead external links {{dead link}} (March 2018)
PasserinaMid Stub1 August 2017References needed (August 2017)
PasserineTop B4 January 2008Factual verification needed (January 2008, November 2013), Dead external links {{dead link}} (March 2018), References needed (April 2018)
Pastured poultryLow Start4 April 2015References needed (April 2015), Unsourced statements (January 2016, November 2017), Limited geographic scope (January 2017)
PatagioenasMid Start1 November 2009In-text citations lacking (November 2009)
Patagonia picnic table effectLow Stub1 February 2017Orphaned (February 2017)
Pauline Neura ReillyLow Start1 July 2017In-text citations lacking (July 2017)
PeafowlMid C1 April 2016Unsourced statements (April 2016)
Pebble IslandLow Stub2 September 2010Unsourced statements (September 2010), Merge needed (April 2018)
Pechora pipitLow Start1 December 2009References needed (December 2009)
Pecking orderLow Start2 June 2013Unsourced statements (June 2013), Reliable references lacking (August 2016)
Pecten (biology)Mid Stub1 July 2018References needed (July 2018)
Pectoral sandpiperLow Start1 March 2018Dead external links {{dead link}} (March 2018)
Pedra Branca (Tasmania)Low Start1 July 2015References needed (July 2015)
Peg-billed finchMid Start1 August 2009In-text citations lacking (August 2009)
Pekin chickenLow Stub1 May 2016References needed (May 2016)
Pelagic cormorantLow Start1 September 2009Factual verification needed (September 2009)
PelagornisLow C1 March 2018Dead external links {{dead link}} (March 2018)
PelagornithidaeMid B3 September 2009Factual verification needed (September 2009), Unsourced statements (March 2017), Dead external links {{dead link}} (January 2018)
Penduline titHigh Start1 July 2007Factual verification needed (July 2007)
Penelope Diane OlsenLow Stub1 November 2015Incomplete lists (November 2015)
PenelopidesMid Start1 May 2014Clarification needed (May 2014)
PenguinHigh C4 February 2010Unsourced statements (February 2010, December 2010, December 2016, January 2017)
Per Martin-LöfLow C1 October 2010Dead external links {{dead link}} (October 2010)
Percy EdwardsLow Start1 December 2012Unsourced statements (December 2012)
PerdixMid Start1 April 2013Unsourced statements (April 2013)
PerilannerLow Stub1 February 2007Sources lacking (February 2007)
Perlin (falconry)Low Stub1 December 2009Sources lacking (December 2009)
PerplexicervixLow Stub1 February 2017Orphaned (February 2017)
PessulusLow Stub1 November 2013Sources lacking (November 2013)
Pete Dunne (author)Low Stub1 September 2011BLP articles lacking sources (September 2011)
Peter ColstonLow Stub1 August 2008Incomplete lists (August 2008)
Peter ConderLow Stub1 Citation lacking title
Peter J. GrantLow Stub1 August 2009Sources lacking (August 2009)
Peter KaestnerLow Stub1 July 2010BLP articles lacking sources (July 2010)
Peter LansdownLow Stub1 April 2009In-text citations lacking (April 2009)
Peter MarlerLow Start1 August 2014Unsourced statements (August 2014)
Peter ScottMid Start1 December 2017Dead external links {{dead link}} (December 2017)
Petros (pelican)Low Stub1 July 2010Unsourced statements (July 2010)
PhaenicophilidaeLow Stub1 April 2017References needed (April 2017)
PhainopeplaMid Start1 CS1 errors: external links
PhalaropeMid Start1 December 2015Expansion needed (December 2015)
Philip HollomLow Stub1 August 2008Incomplete lists (August 2008)
Philippine creeperHigh Start2 June 2008References needed (June 2008), Unsourced statements (June 2008)
Philippine eagleMid C1 March 2018Dead external links {{dead link}} (March 2018)
Philippine eagle-owlLow Start1 May 2014Clarification needed (May 2014)
Philippine hanging parrotLow C1 January 2018Unsourced statements (January 2018)
Philippine hawk-eagleLow Stub1 March 2018Dead external links {{dead link}} (March 2018)
Philippine hawk-owlLow Stub1 June 2014Vague or ambiguous geographic scope (June 2014)
Phoebe SnetsingerMid C1 June 2016Unsourced statements (June 2016)
PhoebetriaMid C1 April 2009In-text citations lacking (April 2009)
Phoenicopterus copeiLow Stub1 October 2016Sources lacking (October 2016)
Phoenicopterus minutusLow Stub1 October 2016Sources lacking (October 2016)
PhysornisLow Stub1 August 2012Expansion needed (August 2012)
PiciformesTop Start1 January 2008Unsourced statements (January 2008)
PiculetMid Start1 February 2011Unsourced statements (February 2011)
Pied avocetMid Start1 March 2018Dead external links {{dead link}} (March 2018)
Pied crowLow Start1 July 2018Unsourced statements (July 2018)
Pied honeyeaterLow B1 March 2018Dead external links {{dead link}} (March 2018)
Pied ravenLow C4 February 2007References needed (December 2009), Factual verification needed (August 2007), Unsourced statements (February 2007, April 2012)
Pierce BrodkorbLow Start3 July 2017Unsourced statements (July 2017), References needed (July 2017), In-text citations lacking (July 2017)
Pierre (penguin)Low Start1 December 2011Weasel-worded phrases (December 2011)
Pigeon intelligenceLow Start3 April 2010Unsourced statements (April 2010, February 2018), Sources lacking (February 2018)
Pigeon postLow C2 March 2018Unsourced statements (March 2018), Clarification needed (May 2018)
Pigeon racingLow B8 March 2008Unsourced statements (March 2008, May 2008, October 2012, May 2017, January 2018, February 2018), Citation with bare URL, Citation lacking title
Pigeon sportLow Stub1 October 2017References needed (October 2017)
PiksiLow C2 November 2016Unsourced statements (November 2016), Dead external links {{dead link}} (March 2018)
Pileated flycatcherLow Stub3 November 2013Detailed references needed, Unsourced statements (November 2013), In-text citations lacking (November 2013)
Pilgrim gooseLow Stub2 July 2016Unsourced statements (July 2016), Weasel-worded phrases (July 2016)
Pin-tailed parrotfinchLow Stub1 March 2018Dead external links {{dead link}} (March 2018)
Pink pigeonMid Start2 February 2016Unsourced statements (February 2016), CS1 errors: dates
Pink-eared duckLow Start1 May 2014Unsourced statements (May 2014)
Pinsker's hawk-eagleLow Stub2 Citation with bare URL, Citation lacking title
Piping ploverLow Start2 November 2014Web citation with no URL, Dead external links {{dead link}} (November 2014)
PipitMid C1 January 2012Unsourced statements (January 2012)
Pitohui (genus)Mid Stub1 February 2017Merge needed (February 2017)
PlaiaundiLow Stub2 March 2012Sources lacking (March 2012), Orphaned (November 2012)
Plain antvireoLow Start1 January 2010In-text citations lacking (January 2010)
Plain-breasted hawkLow C2 September 2009In-text citations lacking (September 2009), References needed (April 2016)
Plains-wandererHigh Start1 March 2018Dead external links {{dead link}} (March 2018)
PlumageHigh Start3 September 2010Unsourced statements (January 2012, September 2010), Factual verification needed (September 2010)
PlushcapMid Stub2 June 2011Cleanup needed (June 2011, June 2011)
Pohnpei lorikeetLow Start1 April 2009Unsourced statements (April 2009)
PoicephalusMid Start1 December 2009Expansion needed (December 2009)
Point Blue Conservation ScienceLow Stub3 June 2013References needed (June 2013), Notability unclear (March 2016), Promotional tone (March 2016)
Polydipsia in birdsLow Start1 July 2012Reliable references lacking (July 2012)
Poultry gritLow Stub1 December 2010Sources lacking (December 2010)
PoʻouliMid Start2 November 2007References needed (November 2012), Unsourced statements (November 2007)
Prairie warblerLow Start1 November 2010In-text citations lacking (November 2010)
PrecocialMid Start1 January 2009References needed (January 2009)
Precursor (bird)Low Stub1 September 2014References needed (September 2014)
Prehistoric birdLow Stub1 December 2009Sources lacking (December 2009)
Prigogine's double-collared sunbirdLow Stub1 November 2012Sources lacking (November 2012)
Primitive koa finchLow Start2 November 2007Unsourced statements (November 2007, November 2011)
Prince Leopold Island Migratory Bird SanctuaryLow Stub1 October 2010Dead external links {{dead link}} (October 2010)
Princess parrotLow Start2 August 2008Unsourced statements (August 2008, February 2016)
ProardeaLow Stub1 November 2007Factual verification needed (November 2007)
ProcariamaLow Stub1 June 2012Expansion needed (June 2012)
ProcellariaLow Stub1 July 2009Unsourced statements (July 2009)
ProcellariidaeHigh FA1 September 2017Dead external links {{dead link}} (September 2017)
Proventricular dilatation diseaseLow Start2 January 2015Unsourced statements (January 2015), References needed (May 2017)
ProventriculusLow Stub1 April 2018Dead external links {{dead link}} (April 2018)
Przevalski's finchMid Start1 December 2011Unsourced statements (December 2011)
PseudocrypturusLow Stub1 July 2009Unsourced statements (July 2009)
PseudodontornisLow C1 August 2009Factual verification needed (August 2009)
PsittacidaeLow Stub1 February 2017Unsourced statements (February 2017)
PsittaculiniMid Start1 April 2018Dead external links {{dead link}} (April 2018)
PsittacusMid C1 March 2014Unsourced statements (March 2014)
PteroptochosMid Stub1 April 2010Sources lacking (April 2010)
PuckapunyalLow Start1 July 2011Unsourced statements (July 2011)
Puerto Rican amazonMid FA1 September 2017Dead external links {{dead link}} (September 2017)
Puerto Rican spindalisLow C2 October 2007Unsourced statements (October 2007), Dead external links {{dead link}} (July 2014)
PuffinMid B1 April 2018Dead external links {{dead link}} (April 2018)
Pumicestone PassageLow Start1 December 2017Update needed (December 2017)
Punt gunLow Stub1 May 2012Weasel-worded phrases (May 2012)
Purple finchLow Start1 January 2010Unsourced statements (January 2010)
Purple martinLow Start2 Citation with bare URL, Citation lacking title
Purple-backed fairywrenLow Start1 April 2018Unsourced statements (April 2018)
Purple-throated mountaingemLow Start1 CS1 errors: external links
Putting Biodiversity on the MapLow Stub1 January 2014Sources lacking (January 2014)
Pygmy cormorantLow Start1 December 2009References needed (December 2009)
Pygmy gooseLow Stub1 February 2007Unsourced statements (February 2007)
Pygmy longbillLow Stub1 November 2011Clarification needed (November 2011)
Pygmy parrotMid Start1 June 2009Unsourced statements (June 2009)
PygostyleLow Start3 November 2007Factual verification needed (November 2007), Unsourced statements (February 2012), References needed (February 2012)
PytiliaMid Stub1 January 2010Sources lacking (January 2010)
RSPB MedalLow List2 May 2017Unsourced statements (May 2017), Dead external links {{dead link}} (April 2018)
RackelhahnLow Stub2 January 2012Sources lacking (January 2012), Unsourced statements (May 2017)
Rail (bird)High C3 January 2008Factual verification needed (January 2008), Unsourced statements (August 2012, January 2017)
Rainbow bee-eaterMid Start1 July 2011References needed (July 2011)
Rajah scops owlLow Stub1 January 2017Expansion needed (January 2017)
Ramsar ConventionMid Start2 December 2016Conflict of interest (December 2016), In-text citations lacking (October 2017)
Raptor Education GroupLow Start3 June 2013Coordinates needed, Unsourced statements (June 2013), Dead external links {{dead link}} (April 2018)
Raptor Resource ProjectLow Start1 September 2014Unsourced statements (September 2014)
Rare breed (agriculture)Mid C2 March 2014Page number citations needed (March 2014), Limited geographic scope (August 2016)
RatiteTop C3 November 2013Unsourced statements (May 2014, November 2013, June 2015)
Ravens of the Tower of LondonLow C1 February 2018Unsourced statements (February 2018)
Ravi SankaranLow Start3 February 2015Orphaned (February 2015), Peacock terms (February 2015), Clarification needed (June 2015)
RazorbillLow Start2 January 2008Factual verification needed (January 2008), Unsourced statements (May 2012)
Recherche ArchipelagoLow C2 January 2018Dead external links {{dead link}} (January 2018, April 2018)
Red Sea cliff swallowLow Stub1 December 2007Factual verification needed (December 2007)
Red grouseLow C1 February 2012Unsourced statements (February 2012)
Red junglefowlHigh C1 April 2018Dead external links {{dead link}} (April 2018)
Red kiteMid C1 CS1 errors: external links
Red knotLow B1 April 2012Unsourced statements (April 2012)
Red siskinLow Start2 March 2012Unsourced statements (September 2013), In-text citations lacking (March 2012)
Red wattlebirdLow FA1 October 2017Dead external links {{dead link}} (October 2017)
Red-bellied macawMid Start2 November 2012Unsourced statements (November 2012), References needed (May 2018)
Red-bellied woodpeckerLow Start1 April 2018Dead external links {{dead link}} (April 2018)
Red-billed curassowLow Start1 April 2018Dead external links {{dead link}} (April 2018)
Red-billed hornbillLow Start1 May 2018In-text citations lacking (May 2018)
Red-breasted sapsuckerLow Start2 Citation with bare URL, Citation lacking title
Red-crowned craneLow Start2 January 2017Unsourced statements (January 2017, April 2017)
Red-crowned woodpeckerLow Start1 September 2014In-text citations lacking (September 2014)
Red-faced cormorantLow Start1 September 2009Factual verification needed (September 2009)
Red-faced mousebirdLow Stub1 December 2011In-text citations lacking (December 2011)
Red-footed boobyLow Start1 November 2010In-text citations lacking (November 2010)
Red-footed falconLow Start1 May 2016Unsourced statements (May 2016)
Red-headed weaverMid Stub1 November 2011Unsourced statements (November 2011)
Red-kneed dotterelMid Start2 October 2010Unsourced statements (October 2010), In-text citations lacking (July 2016)
Red-legged tinamouLow Start1 February 2009Unsourced statements (February 2009)
Red-masked parakeetLow Start2 January 2013Unsourced statements (May 2014, January 2013)
Red-necked amazonMid C1 April 2018Dead external links {{dead link}} (April 2018)
Red-necked crakeMid Start1 January 2010Factual verification needed (January 2010)
Red-rumped swallowLow Start2 Citation with bare URL, Citation lacking title
Red-tailed amazonMid Start3 January 2009In-text citations lacking (January 2009), Unsourced statements (January 2009, September 2014)
Red-throated caracaraMid Stub1 February 2015Dead external links {{dead link}} (February 2015)
Red-throated wryneckLow Stub1 October 2012References needed (October 2012)
Red-wattled lapwingLow C1 April 2018Dead external links {{dead link}} (April 2018)
Red-whiskered bulbulLow C1 April 2018Dead external links {{dead link}} (April 2018)
Red-winged blackbirdLow B1 December 2013Unsourced statements (December 2013)
Red-winged parrotLow Start1 April 2008Unsourced statements (April 2008)
Reddish scops owlLow Stub1 June 2017Wikilinks needed (June 2017)
ReedhauntersMid Stub1 April 2010Orphaned (April 2010)
Reeves's pheasantLow Start2 June 2014Unsourced statements (November 2014), References needed (June 2014)
Regent parrotMid Start4 February 2010Unsourced statements (February 2010, December 2011), Original research (December 2011), Clarification needed (December 2011)
Regroupement QuébecOiseauxLow Stub1 August 2015Reliable references lacking (August 2015)
Regulus bulgaricusLow Start1 April 2018Dead external links {{dead link}} (April 2018)
ReinwardtoenaMid Stub1 December 2009Sources lacking (December 2009)
Reischek's parakeetLow Start1 April 2018Dead external links {{dead link}} (April 2018)
Release doveLow Start3 October 2010Unsourced statements (May 2013), Dead external links {{dead link}} (October 2010), References needed (May 2013)
Repulse Bay to Ince Bay Important Bird AreaLow Stub1 February 2013Orphaned (February 2013)
Resplendent quetzalMid C2 May 2008Unsourced statements (May 2008, July 2014)
Rhinoceros hornbillLow Start1 November 2016References needed (November 2016)
Rhode Island RedLow Start3 October 2009References needed (October 2009), Unsourced statements (October 2009), Clarification needed (May 2018)
Richard C. BanksLow C2 2012Potentially dated statements (2012), CS1 errors: dates
Richard Carew (antiquary)Low Start2 January 2015Reliable references lacking (January 2015), Unsourced statements (January 2015)
Richard MeinertzhagenLow Start5 April 2015Unsourced statements (April 2015, June 2016, May 2018), Dead external links {{dead link}} (April 2018), Rewrite needed (May 2018)
Richard Roy MaconachieLow Stub1 February 2013In-text citations lacking (February 2013)
Richard ZannLow Stub1 February 2009Incomplete lists (February 2009)
Ringed kingfisherLow Stub1 November 2010Unsourced statements (November 2010)
River martinMid GA1 April 2018Dead external links {{dead link}} (April 2018)
RoadrunnerMid Start1 June 2018Unsourced statements (June 2018)
Rob HumeLow Start1 August 2008Incomplete lists (August 2008)
Robert Cecil BeavanLow Start1 February 2013References needed (February 2013)
Robert Cushman MurphyLow Stub1 March 2013References needed (March 2013)
Robert DougallLow C3 August 2008Incomplete lists (August 2008), References needed (August 2014), In-text citations lacking (August 2014)
Robert GillmorLow Stub1 August 2008Incomplete lists (August 2008)
RobopLow Stub1 July 2014Unsourced statements (July 2014)
Rock bush quailLow Start1 October 2010Dead external links {{dead link}} (October 2010)
Rock doveLow B1 June 2013Unsourced statements (June 2013)
Rocket netLow Stub1 September 2013References needed (September 2013)
Rodrigues night heronLow Start1 April 2018Unsourced statements (April 2018)
Rodrigues warblerLow Stub2 November 2013Detailed references needed, Unsourced statements (November 2013)
Roger Tory PetersonHigh Start1 June 2016Dead external links {{dead link}} (June 2016)
Rokel RiverLow Start1 July 2013Clarification needed (July 2013)
Rondônia bushbirdLow Stub1 Citation with accessdate and no URL
RookeryLow Stub1 January 2018Weasel-worded phrases (January 2018)
Rose-ringed parakeetLow C1 August 2007Factual verification needed (August 2007)
Rosy-faced lovebird colour geneticsLow Start4 October 2007Style editing needed (December 2007), Sources lacking (October 2007), Expert attention needed (March 2009)
Rosy-patched bushshrikeMid Stub1 October 2011Unsourced statements (October 2011)
Rottnest IslandLow C7 November 2011Unsourced statements (November 2011, February 2015, August 2016), Potentially dated statements (June 2016), Expansion needed (June 2016), Dead external links {{dead link}} (December 2017, March 2018)
Rouen duckLow Start1 May 2014In-text citations lacking (May 2014)
Rough-legged buzzardLow Start2 2015Potentially dated statements (2015), CS1 errors: external links
Roy Percy CooperLow Stub2 November 2014References needed (November 2014), In-text citations lacking (November 2014)
Roy and SiloLow Start1 April 2018Dead external links {{dead link}} (April 2018)
Royal Australasian Ornithologists UnionLow B1 November 2010In-text citations lacking (November 2010)
Royal Palm turkeyLow Stub1 October 2010Dead external links {{dead link}} (October 2010)
Royal Society for the Protection of BirdsMid C2 August 2008Incomplete lists (August 2008), Weasel-worded phrases (October 2013)
Royal ternLow C2 December 2017CS1 errors: external links, Dead external links {{dead link}} (December 2017)
Ruby-throated hummingbirdLow B1 March 2016Unsourced statements (March 2016)
RuffMid FA1 September 2017Dead external links {{dead link}} (September 2017)
Ruffed grouseLow Start2 December 2012Unsourced statements (December 2012), Failed verification (March 2014)
Rufous hummingbirdLow Start2 December 2015References needed (December 2015), Unsourced statements (October 2016)
Rufous potooLow Stub1 October 2016Vague or ambiguous time (October 2016)
Rufous-backed thrushLow Start1 May 2014Dead external links {{dead link}} (May 2014)
Rufous-breasted hermitLow Start1 April 2009In-text citations lacking (April 2009)
Rufous-collared sparrowLow Start2 October 2008Unsourced statements (October 2008), Clarification needed (July 2014)
Rufous-faced antpittaLow Stub1 CS1 errors: external links
Rufous-fronted babblerLow Stub1 August 2011In-text citations lacking (August 2011)
Rufous-necked hornbillLow Stub1 January 2018Dead external links {{dead link}} (January 2018)
Rufous-tailed antbirdLow Stub1 November 2013Unsourced statements (November 2013)
Rufous-tailed scrub robinLow B1 September 2013Unsourced statements (September 2013)
Rufous-tailed weaverMid Stub1 September 2012Unsourced statements (September 2012)
Rufous-thighed hawkLow C2 September 2009In-text citations lacking (September 2009), References needed (April 2016)
Rusty blackbirdLow Start1 September 2014In-text citations lacking (September 2014)
Réunion grey white-eyeLow Start2 October 2008Unsourced statements (October 2008), References needed (April 2010)
Réunion owlLow Start1 April 2012Unsourced statements (April 2012)
Rüppell's vultureLow Start1 February 2014Unsourced statements (February 2014)
SS MakamboLow Start2 April 2018Coordinates needed, Dead external links {{dead link}} (April 2018)
Saint Helena shearwaterLow Stub1 May 2018Dead external links {{dead link}} (May 2018)
Saint Lucia amazonLow Stub1 November 2014References needed (November 2014)
Saipan Jungle FowlLow Start1 June 2011References needed (June 2011)
Saker falconLow Start4 November 2012Unsourced statements (November 2012), Cleanup needed (November 2016, November 2016), References needed (November 2016)
Salim Ali's swiftLow Stub2 October 2011References needed (November 2011), In-text citations lacking (October 2011)
Salinas monjitaLow Stub1 May 2018Dead external links {{dead link}} (May 2018)
Salmon-crested cockatooMid Start2 May 2010In-text citations lacking (May 2010), Unsourced statements (September 2017)
SaltatorMid Start1 December 2010Clarification needed (December 2010)
Salvadori's eremomelaLow Stub1 February 2014Sources lacking (February 2014)
Salvadori's fig parrotLow Stub1 August 2012References needed (August 2012)
Salvadori's tealLow Start1 February 2007Unsourced statements (February 2007)
Salvin's curassowLow Stub1 April 2011Unsourced statements (April 2011)
Salvin's prionLow Start1 July 2009Unsourced statements (July 2009)
Samar hornbillLow Stub2 May 2014Detailed references needed, Vague or ambiguous time (May 2014)
Samuel Washington WoodhouseLow Stub1 December 2009References needed (December 2009)
Sandhill craneLow B1 May 2018Dead external links {{dead link}} (May 2018)
Sanford's bowerbirdLow Stub1 December 2009Sources lacking (December 2009)
Sanford's sea eagleLow Start1 May 2011Page number citations needed (May 2011)
Sao Francisco black tyrantLow Stub1 November 2013Unsourced statements (November 2013)
SapayoaLow Start1 May 2018Dead external links {{dead link}} (May 2018)
Sarus craneLow GA1 May 2018Dead external links {{dead link}} (May 2018)
Savannah sparrowMid C1 February 2007Unsourced statements (February 2007)
Saxon Fairy Swallow pigeonLow Stub1 June 2012Unsourced statements (June 2012)
Scaly-breasted lorikeetLow C1 January 2010References needed (January 2010)
Scaly-breasted muniaLow GA2 January 2013Unsourced statements (January 2013), Dead external links {{dead link}} (May 2018)
Scaly-naped pigeonLow Stub1 November 2010In-text citations lacking (November 2010)
Scaly-sided merganserLow Start2 May 2009Factual verification needed (May 2009, January 2016)
Scandaroon pigeonLow Stub1 September 2010Page number citations needed (September 2010)
Scarlet macawMid Start1 April 2016Clarification needed (April 2016)
Scarlet robinLow Start1 April 2010Unsourced statements (April 2010)
Scarlet-banded barbetLow Stub1 CS1 errors: external links
Scarlet-chested parrotMid Start1 May 2018Dead external links {{dead link}} (May 2018)
ScelorchilusLow Stub1 April 2010Sources lacking (April 2010)
Scenic RimLow Start2 March 2008References needed (March 2008), Unsourced statements (October 2011)
Scimitar babblerMid Start1 December 2009Sources lacking (December 2009)
Scissor-billed koa finchLow Stub1 September 2016References needed (September 2016)
Scissor-tailed flycatcherLow Start1 July 2014Unsourced statements (July 2014)
Scops owlMid B1 January 2008Factual verification needed (January 2008)
Scots DumpyLow Start2 April 2009In-text citations lacking (April 2009), Clarification needed (July 2016)
Scottish Fallow budgerigar mutationLow C1 Citation lacking title
Scottish crossbillLow C2 May 2014Unsourced statements (February 2016), Update needed (May 2014)
Screaming pihaLow Stub1 April 2017Unsourced statements (April 2017)
ScrubtitLow Start1 July 2012Unsourced statements (July 2012)
Sea Lion IslandLow Start1 August 2010Unsourced statements (August 2010)
SeawatchingLow Stub1 August 2015References needed (August 2015)
SecarecytosisLow Stub1 February 2009Orphaned (February 2009)
SecretarybirdHigh B4 June 2009Unsourced statements (June 2009, August 2009, March 2016, January 2018)
Sedge warblerLow Start1 January 2011Unsourced statements (January 2011)
See-see partridgeLow Start1 May 2018Dead external links {{dead link}} (May 2018)
SeedeaterLow Start1 December 2007Sources lacking (December 2007)
SeptencoraciasLow C1 November 2016References needed (November 2016)
SericornisMid Stub1 February 2008Factual verification needed (February 2008)
SericulusMid Stub1 December 2009Sources lacking (December 2009)
SeriemaHigh Start1 June 2018Unsourced statements (June 2018)
Serra finchLow Stub1 November 2013Unsourced statements (November 2013)
Sespe Condor SanctuaryLow Start1 December 2017Unsourced statements (December 2017)
Seven Towers of KharunLow Stub1 May 2018Dead external links {{dead link}} (May 2018)
Seychelles paradise flycatcherLow Start1 May 2018Dead external links {{dead link}} (May 2018)
Seychelles scops owlLow Start1 May 2018Dead external links {{dead link}} (May 2018)
Shamo chickensLow Start2 August 2017Unsourced statements (August 2017), References needed (August 2017)
Sharp-shinned hawkLow B2 September 2009In-text citations lacking (September 2009), References needed (April 2016)
Sharp-tailed grouseLow Start1 September 2015Clarification needed (September 2015)
Sharp-tailed sandpiperLow Start2 May 2018Citation with accessdate and no URL, Dead external links {{dead link}} (May 2018)
Sharpe's railLow Stub1 May 2018Dead external links {{dead link}} (May 2018)
Shining honeycreeperLow Stub1 May 2010In-text citations lacking (May 2010)
Shiny cowbirdLow Stub1 November 2010In-text citations lacking (November 2010)
Shiraz TumblerLow Stub1 November 2011Sources lacking (November 2011)
Shoalwater BayLow Start1 May 2018Dead external links {{dead link}} (May 2018)
ShoebillHigh C3 February 2010Unsourced statements (February 2010, August 2016, July 2017)
Short-eared owlLow C2 2009Potentially dated statements (2009), Limited geographic scope (December 2010)
Short-tailed albatrossMid C1 March 2009Unsourced statements (March 2009)
Short-tailed shearwaterLow Start2 July 2010Unsourced statements (July 2010, February 2016)
Short-toed snake eagleLow Start1 February 2010Unsourced statements (February 2010)
Shy albatrossLow C1 October 2010Dead external links {{dead link}} (October 2010)
Siau scops owlLow Stub1 May 2014Vague or ambiguous time (May 2014)
Siberian craneLow Start1 March 2018Unsourced statements (March 2018)
Siberian grouseLow Stub1 August 2013Unsourced statements (August 2013)
Siberian rubythroatLow Stub1 Web citation with no URL
Sibley-Monroe checklist 1High List2 January 2010Unsourced statements (January 2010), Weasel-worded phrases (January 2010)
Sibley–Ahlquist taxonomy of birdsHigh Start3 May 2008Factual verification needed (May 2008), Unsourced statements (June 2009), Weasel-worded phrases (June 2009)
Sibsey IslandLow Stub5 March 2013Clarification needed (March 2013), Factual verification needed (March 2013, January 2014), Unsourced statements (June 2016), Dead external links {{dead link}} (November 2016)
SicalisMid Stub1 November 2017References needed (November 2017)
Sierra Madre sparrowMid Start1 May 2018Dead external links {{dead link}} (May 2018)
Silver tealLow Stub1 November 2010Unsourced statements (November 2010)
Sir Joseph Banks GroupLow Start1 October 2014Unsourced statements (October 2014)
Sirocco (parrot)Low C2 August 2016References needed (August 2016), Dead external links {{dead link}} (August 2016)
Sivas Kumru GüvercinLow Stub2 October 2011Sources lacking (November 2011), Orphaned (October 2011)
Skateboarding duckLow Start1 February 2007Unsourced statements (February 2007)
Skylarking (birds)Low Stub1 July 2008Unsourced statements (July 2008)
Slate budgerigar mutationLow C1 Citation lacking title
Slaty-backed flycatcherLow Stub1 December 2017Unsourced statements (December 2017)
Slender-billed curlewLow Start1 2007Potentially dated statements (2007)
Slender-billed finchMid Stub1 August 2012References needed (August 2012)
Slender-billed greenfinchLow Stub1 March 2017Unsourced statements (March 2017)
SmithornisMid Stub1 April 2016References needed (April 2016)
SnipeLow Start1 January 2017Unsourced statements (January 2017)
Snow buntingLow Start1 Citation with accessdate and no URL
Snow gooseLow Start1 December 2011Unsourced statements (December 2011)
Snow petrelMid C2 July 2009References needed (July 2009), Unsourced statements (July 2009)
Snowy egretLow Start2 November 2010In-text citations lacking (November 2010), Unsourced statements (July 2012)
Snowy owlMid C2 October 2017Dead external links {{dead link}} (October 2017), Unsourced statements (February 2018)
Snowy ploverLow Start1 September 2008References needed (September 2008)
Sociable weaverMid C1 May 2018Dead external links {{dead link}} (May 2018)
Society finchLow Start2 July 2011Unsourced statements (July 2011), Clarification needed (May 2018)
Society parakeetLow Start2 February 2009Expert attention needed (February 2009)
Socorro wrenLow Stub1 November 2007Factual verification needed (November 2007)
Solid white (chicken plumage)Low C1 June 2014In-text citations lacking (June 2014)
Solitaire (bird)Low Stub1 December 2009Sources lacking (December 2009)
Somali crowLow Stub1 December 2013References needed (December 2013)
Song sparrowLow Start4 February 2007Unsourced statements (February 2007, May 2017, July 2018), Dead external links {{dead link}} (May 2018)
SongbirdHigh Start1 December 2017Page number citations needed (December 2017)
Sooty shearwaterLow Start2 June 2014Clarification needed (June 2014), Dead external links {{dead link}} (May 2018)
Sooty ternLow Start4 September 2007References needed (May 2010), Factual verification needed (March 2008, September 2007), Unsourced statements (September 2007)
Sooty-capped babblerLow Stub1 October 2012References needed (October 2012)
Sort solMid Start1 November 2009Unsourced statements (November 2009)
Souimanga sunbirdLow Start1 September 2007Unsourced statements (September 2007)
South African ostrichLow Stub1 August 2017References needed (August 2017)
South Australian OrnithologistLow Stub1 June 2016Sources lacking (June 2016)
South Island takahēLow B3 October 2012Unsourced statements (October 2012, February 2018), References needed (March 2016)
South Milton LeyLow Stub1 November 2009Sources lacking (November 2009)
South WalneyLow Stub1 April 2017Unsourced statements (April 2017)
South West SlopesLow Start3 October 2010Coordinates needed, Dead external links {{dead link}} (October 2010), CS1 errors: dates
Southern black titLow Start1 May 2018Dead external links {{dead link}} (May 2018)
Southern carmine bee-eaterLow Stub1 September 2010In-text citations lacking (September 2010)
Southern cassowaryLow C1 November 2009Unsourced statements (November 2009)
Southern giant petrelLow C1 June 2014Clarification needed (June 2014)
Southern grey-headed sparrowLow Stub1 May 2014Unsourced statements (May 2014)
Southern red bishopLow Start1 May 2018Dead external links {{dead link}} (May 2018)
Southern red-billed hornbillLow Stub2 May 2018References needed (May 2018), Unsourced statements (May 2018)
Southern rockhopper penguinLow Start1 November 2017Clarification needed (November 2017)
Southern screamerMid Start1 May 2018Dead external links {{dead link}} (May 2018)
Southwest Florida Eagle CamLow Start1 February 2016Orphaned (February 2016)
SpadebillMid Stub1 October 2015References needed (October 2015)
Spangle-cheeked tanagerLow Stub1 CS1 errors: external links
SparrowHigh C2 May 2012Clarification needed (May 2012), Dead external links {{dead link}} (May 2018)
Special Protection AreaLow Stub1 February 2010Clarification needed (February 2010)
Speckle-throated woodpeckerLow Stub2 October 2010Dead external links {{dead link}} (October 2010, January 2017)
Speckled chachalacaLow Stub1 October 2013References needed (October 2013)
Spectacled warblerLow Start1 May 2018Dead external links {{dead link}} (May 2018)
SpeiropsMid Stub1 January 2010Sources lacking (January 2010)
Spix's guanLow Stub1 October 2010Dead external links {{dead link}} (October 2010)
Spix's macawMid B2 January 2014Unsourced statements (January 2014), CS1 errors: dates
SpizaetusMid Stub2 September 2008Factual verification needed (September 2008), Dead external links {{dead link}} (May 2018)
SpizellaMid Stub1 December 2009Sources lacking (December 2009)
Spoon-billed sandpiperMid Start2 April 2012Unsourced statements (April 2012), Dead external links {{dead link}} (May 2018)
SporopipesMid Stub1 February 2010Sources lacking (February 2010)
Spot-breasted laughingthrushLow Stub1 June 2013References needed (June 2013)
Spotted antbirdLow Stub1 CS1 errors: external links
Spotted bowerbirdLow Stub1 Citation with accessdate and no URL
Spotted flycatcherLow Start2 Web citation with no URL, Citation with accessdate and no URL
Spotted pardaloteLow Start1 June 2012Unsourced statements (June 2012)
Spotted thick-kneeLow Start1 CS1 errors: external links
Spotting scopeMid Start1 November 2007References needed (November 2007)
Sprague's pipitLow Start1 Citation lacking title
SpreoMid Stub1 January 2010Sources lacking (January 2010)
Springbrook National ParkLow C1 August 2009Unsourced statements (August 2009)
SquabMid B4 July 2011Page number citations needed (July 2011), Vague or ambiguous geographic scope (July 2011), Unsourced statements (April 2016), Dead external links {{dead link}} (May 2018)
Squirrel baffleLow Stub2 March 2009Sources lacking (March 2009), Orphaned (March 2010)
Standard-winged nightjarLow Stub2 November 2017References needed (November 2017), Introduction cleanup (November 2017)
Stanley TempleLow Stub3 February 2014Reliable references lacking (February 2014), Notability unclear (February 2014), BLP articles lacking sources (February 2014)
Stapleton IslandLow Stub1 March 2016Orphaned (March 2016)
Stara Zagora RedLow Stub1 August 2014Unsourced statements (August 2014)
StarlingHigh B1 July 2007Factual verification needed (July 2007)
Status and conservation of the golden eagleLow C1 May 2016Too long (May 2016)
Steinbach's canasteroLow Stub1 August 2012References needed (August 2012)
Steller's jayLow Start1 June 2013References needed (June 2013)
StenostiridaeHigh Stub1 June 2018Dead external links {{dead link}} (June 2018)
Stephen MarchantLow Stub1 February 2009In-text citations lacking (February 2009)
Stierling's wren-warblerLow Stub1 February 2014Sources lacking (February 2014)
Stiffkey FenLow Start2 July 2017Unsourced statements (July 2017), Dead external links {{dead link}} (June 2018)
Stilt (journal)Low Stub1 July 2015References needed (July 2015)
Storrs L. OlsonLow Start2 2009Potentially dated statements (2009), Dead external links {{dead link}} (June 2018)
Stripe-tailed hummingbirdLow Stub2 January 2012Unsourced statements (January 2012), CS1 errors: external links
Striped kingfisherLow C1 June 2018Dead external links {{dead link}} (June 2018)
Strix (genus)Mid Start1 February 2007Unsourced statements (February 2007)
Sudan golden sparrowLow C2 January 2010Unsourced statements (January 2010, April 2010)
Suet cakeLow Stub1 February 2015References needed (February 2015)
Suiriri flycatcherLow Stub1 CS1 errors: external links
Sulawesi hornbillLow Stub3 April 2010Detailed references needed, Unsourced statements (April 2010), Vague or ambiguous time (May 2014)
SulidaeMid Start1 September 2009Factual verification needed (September 2009)
SuliformesHigh Start1 Detailed references needed
SulmtalerLow Stub1 August 2014Unsourced statements (August 2014)
Sumatra chickenLow Stub1 February 2014Unsourced statements (February 2014)
Superb lyrebirdLow Start2 January 2018Citation with accessdate and no URL, Unsourced statements (January 2018)
Superb parrotLow C1 March 2009Unsourced statements (March 2009)
Supraorbital glandLow Stub1 September 2010In-text citations lacking (September 2010)
Sussex chickenLow Start1 August 2014References needed (August 2014)
Sverdlovsk blue-gray mottle-headed pigeonLow Stub1 December 2009Sources lacking (December 2009)
SwallowHigh B1 June 2018Dead external links {{dead link}} (June 2018)
SwanMid C4 December 2007Factual verification needed (December 2007), Unsourced statements (December 2007, March 2016), Web citation with no URL
Swan gooseLow Start3 May 2009Factual verification needed (May 2009), Dead external links {{dead link}} (December 2017, January 2018)
SwiftHigh Start1 September 2016Unsourced statements (September 2016)
SwiftletLow C1 September 2016Unsourced statements (September 2016)
SynallaxisMid Stub1 November 2017Dead external links {{dead link}} (November 2017)
SynsacrumLow Stub2 July 2008Sources lacking (July 2008), Unsourced statements (February 2018)
Syrian woodpeckerLow Start2 November 2015In-text citations lacking (November 2015), Introduction cleanup (November 2015)
Sørkapp Bird SanctuaryLow Stub1 Coordinates needed
T. J. RobertsLow Stub2 June 2010Orphaned (June 2010), Dead external links {{dead link}} (June 2018)
Tacarcuna warblerLow Stub1 March 2018Vague or ambiguous time (March 2018)
Tactile corpuscles of GrandryLow Stub1 August 2017Orphaned (August 2017)
Tahiti sandpiperLow Start1 June 2014Weasel-worded phrases (June 2014)
Taiga bean gooseLow Start1 April 2011Expansion needed (April 2011)
Taiwan blue magpieLow Start1 August 2017Clarification needed (August 2017)
Talking birdLow Start1 March 2014Unsourced statements (March 2014)
Tambourine doveLow Stub1 July 2009Unsourced statements (July 2009)
TanagerHigh B1 January 2014Unsourced statements (January 2014)
Tanimbar corellaMid Start1 December 2008Unsourced statements (December 2008)
Tasmanian masked owlLow C1 URL error
Tasmanian nativehenLow C1 June 2009Unsourced statements (June 2009)
Tasmanian wedge-tailed eagleLow Start2 November 2010Unsourced statements (November 2010, April 2018)
Tawny-throated leaftosserLow C1 Citation with accessdate and no URL
TelespizaMid Stub1 September 2015Unsourced statements (September 2015)
Template:GlobalRaptorNA Template1 External link templates with potential for greater use
Template:InternetBirdCollectionNA Template1 External link templates with potential for greater use
Temporal paradox (paleontology)Low Start4 April 2014Expert attention needed (April 2014), Clarification needed (April 2014), Too technical (April 2014)
TeratornithidaeMid Start2 August 2017Unsourced statements (August 2017), Dead external links {{dead link}} (June 2018)
TerrestrornithesLow Stub1 March 2017Orphaned (March 2017)
The Beak of the FinchLow Start1 March 2008References needed (March 2008)
The Birds of AfricaLow Stub2 July 2008Sources lacking (July 2008), Update needed (August 2014)
The Birds of AmericaMid Start3 December 2010Unsourced statements (December 2010, December 2012, November 2017)
The Birds of Haiti and the Dominican RepublicLow Stub2 February 2013Orphaned (February 2013), In-text citations lacking (March 2015)
The Birds of the Western PalearcticMid Start1 March 2009Unsourced statements (March 2009)
The Condor (journal)Low Start1 February 2017Update needed (February 2017)
The Finch Society of AustraliaLow Start3 February 2010Detailed references needed, Notability unclear (February 2010), Orphaned (May 2011)
The Genius of BirdsLow Stub1 July 2017References needed (July 2017)
The Goldfinch (painting)Low Start1 Citation with accessdate and no URL
The King of RomeMid Start1 Citation with accessdate and no URL
The Late Late Show owlLow Stub2 June 2017Dead external links {{dead link}} (June 2017, January 2018)
The Macmillan Field Guides to Bird IdentificationLow Stub1 July 2011Sources lacking (July 2011)
The Natural History and Antiquities of SelborneMid GA1 June 2018Dead external links {{dead link}} (June 2018)
The Nest (aviary)Unknown Unassessed2 January 2018References needed (January 2018), Unsourced statements (March 2018)
The Origin of BirdsLow GA1 December 2016Failed verification (December 2016)
The Peregrine FundLow Start1 November 2009References needed (November 2009)
The Private Life of the KingfisherLow Start1 Citation with accessdate and no URL
The Threatened SwanLow Stub1 June 2018Dead external links {{dead link}} (June 2018)
The Turkey: An American StoryLow Stub2 February 2009Orphaned (February 2009), Notability unclear (August 2009)
Theophilus JohnsonLow Stub1 July 2014References needed (July 2014)
Thick-billed parrotMid Start2 April 2015Unsourced statements (April 2015), Vague or ambiguous time (September 2017)
Thick-billed seed finchLow Stub1 CS1 errors: external links
Thorn-tailed rayaditoLow Start1 August 2012Unsourced statements (August 2012)
Threatened species known to occur in the Great Barrier Reef World Heritage AreaLow List1 June 2014References needed (June 2014)
Tibial dyschondroplasiaLow Stub2 December 2007Unsourced statements (December 2007), References needed (February 2012)
Tim GallagherLow Stub2 February 2017In-text citations lacking (February 2017), BLP articles lacking sources (February 2017)
Timeline of ornithologyMid Start1 December 2009References needed (December 2009)
TimeliopsisMid Stub1 October 2009Sources lacking (October 2009)
TinaminaeLow C2 April 2013Original research (April 2013), Reference cleanup (December 2013)
TipplerLow Start4 July 2013Unsourced statements (July 2013), References needed (September 2014), In-text citations lacking (September 2014), Clarification needed (January 2015)
Tiritiri Matangi IslandLow Start1 Citation with accessdate and no URL
Tit (bird)High C2 February 2018Dead external links {{dead link}} (February 2018), Vague or ambiguous time (May 2018)
Tit hyliaMid Stub1 November 2011Unsourced statements (November 2011)
Tito NaroskyLow Stub3 August 2015Reliable references lacking (August 2015), Notability unclear (August 2015), In-text citations lacking (August 2015)
Tiwi IslandsLow C2 November 2016Dead external links {{dead link}} (November 2016, July 2018)
Toco toucanMid Start1 July 2018Dead external links {{dead link}} (July 2018)
TolmomyiasMid Stub1 April 2009Sources lacking (April 2009)
Tony NorrisLow Stub2 January 2017Citation lacking title, In-text citations lacking (January 2017)
Topknot pigeonLow Start1 March 2016Unsourced statements (March 2016)
Torrent duckLow Start1 February 2007Unsourced statements (February 2007)
Torrent flyrobinMid Stub1 November 2011Unsourced statements (November 2011)
Torrey Canyon oil spillLow Start2 August 2015Unsourced statements (August 2015, November 2017)
ToucanHigh C2 December 2017CS1 errors: external links, Unsourced statements (December 2017)
TowerkillMid Start1 July 2016Unsourced statements (July 2016)
TragopanMid Stub2 September 2011References needed (September 2011), Unsourced statements (February 2018)
Trap-liningLow Stub1 December 2014Weasel-worded phrases (December 2014)
Tree warblerMid Start1 April 2013Unsourced statements (April 2013)
Tribonyx hodgenorumLow Stub1 July 2018Dead external links {{dead link}} (July 2018)
TrichoglossusMid Start1 June 2009Expansion needed (June 2009)
Tricolored heronLow Start1 November 2010In-text citations lacking (November 2010)
TringaMid Start1 July 2018Dead external links {{dead link}} (July 2018)
Tristan albatrossMid Start3 October 2010Unsourced statements (March 2012), Dead external links {{dead link}} (October 2010), Clarification needed (April 2013)
TrochilinaeMid Start1 March 2007Sources lacking (March 2007)
TrogonHigh B1 Citation with accessdate and no URL
Tromelin IslandLow C2 January 2017Unsourced statements (January 2017, May 2017)
True parrotHigh Start1 January 2014References needed (January 2014)
Trumpeter finchLow Stub1 November 2011References needed (November 2011)
Tryon IslandLow C1 October 2010Dead external links {{dead link}} (October 2010)
Tuamotu sandpiperLow B1 March 2008Factual verification needed (March 2008)
Tufted titmouseLow Start1 May 2018Unsourced statements (May 2018)
Tui (bird)Low C1 June 2007Unsourced statements (June 2007)
Tundra swanLow Start3 October 2007Unsourced statements (January 2009, October 2007, March 2012)
Turkey (bird)Mid C2 December 2015Expansion needed (December 2015), Unsourced statements (December 2016)
Turkey callLow Stub3 October 2009Unsourced statements (October 2009), Original research (May 2018), Sources lacking (May 2018)
Turkey vultureLow FA1 2015Potentially dated statements (2015)
Turkeypox virusLow Stub1 July 2018Dead external links {{dead link}} (July 2018)
Turquoise-throated pufflegLow Start1 July 2018Dead external links {{dead link}} (July 2018)
TurturMid Stub1 December 2009Sources lacking (December 2009)
TurulLow Start3 September 2012Potentially dated statements (September 2012), Clarification needed (April 2016), Dead external links {{dead link}} (July 2018)
Typical warblerMid Start1 July 2011Unsourced statements (July 2011)
TytoMid Start1 February 2007Unsourced statements (February 2007)
Tyto robustaLow Start2 August 2007Factual verification needed (August 2007, January 2008)
Táchira emeraldLow Stub1 July 2017Orphaned (July 2017)
Ukrainian SkycutterLow Stub3 January 2008References needed (January 2008), Unsourced statements (December 2010, February 2017)
Ultramarine flycatcherLow Stub1 September 2017Unsourced statements (September 2017)
Unadorned flycatcherLow Stub1 CS1 errors: external links
Uncinate processes of ribsLow Stub1 July 2018Dead external links {{dead link}} (July 2018)
Undulated tinamouLow Start1 June 2010Unsourced statements (June 2010)
Up North CombineLow Stub1 February 2009Orphaned (February 2009)
Ural Striped-maned pigeonLow Stub3 December 2009Sources lacking (December 2009), Cleanup needed (June 2015), Prose needed (June 2015)
Ural owlLow Start1 June 2014Reliable references lacking (June 2014)
Urdaibai Bird CenterLow C1 December 2016In-text citations lacking (December 2016)
Usambara thrushLow Stub1 July 2014Sources lacking (July 2014)
Variable seedeaterLow Start1 CS1 errors: external links
Varied thrushMid Start3 August 2012Unsourced statements (August 2012), Citation with bare URL, Citation lacking title
Variegated fairywrenLow FA1 May 2018Dead external links {{dead link}} (May 2018)
Vasa parrotMid Start1 October 2012Clarification needed (October 2012)
VegavisLow Start1 February 2009Unsourced statements (February 2009)
Velvet-fronted nuthatchLow Start2 March 2010In-text citations lacking (March 2010), Citation with accessdate and no URL
Venda chickenLow Start3 January 2017References needed (January 2017), Wikilinks needed (January 2017), Copied and pasted articles and sections (April 2017)
Verreaux's eagleLow Start1 CS1 errors: dates
Verreaux's eagle-owlLow Start1 CS1 errors: dates
Vienna HighflyerLow Stub1 May 2014References needed (May 2014)
Viktor von Tschusi zu SchmidhoffenLow Start1 September 2011Unsourced statements (September 2011)
ViniMid Stub1 2017Potentially dated statements (2017)
Violet budgerigar mutationLow Start1 Citation lacking title
Violet-tailed sylphLow Stub1 April 2014Unsourced statements (April 2014)
VioletearLow Start1 December 2013In-text citations lacking (December 2013)
Visayan hornbillLow Start1 December 2014Unsourced statements (December 2014)
Vogelkop bowerbirdLow Stub1 November 2017Dead external links {{dead link}} (November 2017)
Vulkathunha-Gammon Ranges National ParkLow B1 June 2016References needed (June 2016)
VultureHigh C3 July 2011Unsourced statements (July 2011), Citation with bare URL, Citation lacking title
Vulturine guineafowlMid Start1 December 2010References needed (December 2010)
Vulturine parrotLow Start1 April 2018Dead external links {{dead link}} (April 2018)
WWT ArundelLow Stub1 May 2018References needed (May 2018)
WWT Llanelli Wetlands CentreLow Stub1 December 2009References needed (December 2009)
WaderHigh Start1 November 2007Factual verification needed (November 2007)
Wades Green and Teren Hill Important Bird AreaLow Stub1 April 2014Orphaned (April 2014)
WagtailMid Start2 February 2008Unsourced statements (February 2008, February 2011)
Wahi grosbeakLow Stub1 January 2009References needed (January 2009)
Wallasea IslandLow Start1 February 2012In-text citations lacking (February 2012)
Walter KoelzLow Stub1 CS1 errors: external links
Walther BacmeisterLow Start2 September 2015In-text citations lacking (September 2015), Orphaned (October 2015)
War pigeonLow Start3 September 2012Clarification needed (September 2012), Unsourced statements (May 2015, February 2018)
Water birdLow Stub1 September 2017Sources lacking (September 2017)
Waterbird SocietyLow Stub1 June 2009Reliable references lacking (June 2009)
Waterfowl huntingLow C5 December 2010References needed (May 2011), Limited geographic scope (December 2010, April 2015), Vague or ambiguous geographic scope (February 2016), Original research (January 2018)
Wattled jacanaMid Start1 March 2013In-text citations lacking (March 2013)
Wattled starlingMid Start2 April 2010In-text citations lacking (April 2010), Unsourced statements (October 2011)
Waved albatrossLow C2 September 2010Dead external links {{dead link}} (September 2010, September 2017)
Well-bird examLow Stub1 December 2009Sources lacking (December 2009)
WelsummerLow Stub2 November 2016References needed (November 2016), Unsourced statements (May 2018)
West Indian whistling duckLow Start1 November 2010In-text citations lacking (November 2010)
West Midland Bird ClubLow Start2 August 2008Incomplete lists (August 2008), Citation lacking title
West Wallabi IslandLow Start1 March 2011Unsourced statements (March 2011)
Western Palearctic black-and-white flycatchersLow Stub1 February 2007Unsourced statements (February 2007)
Western PortLow C1 January 2008References needed (January 2008)
Western crowned pigeonLow Stub1 October 2016Weasel-worded phrases (October 2016)
Western gullLow C1 July 2010Unsourced statements (July 2010)
Western jackdawMid FA1 November 2017Dead external links {{dead link}} (November 2017)
Western marsh harrierLow Start1 December 2010References needed (December 2010)
Western red-billed hornbillLow Stub1 May 2018In-text citations lacking (May 2018)
Western wood peweeLow Start1 August 2014Dead external links {{dead link}} (August 2014)
Whistling duckMid Start1 March 2013Unsourced statements (March 2013)
White eared pheasantLow Start2 September 2009References needed (September 2009), Unsourced statements (June 2014)
White storkMid FA1 December 2014Page number citations needed (December 2014)
White-billed buffalo weaverLow Stub1 September 2013Unsourced statements (September 2013)
White-breasted hawkLow C2 September 2009In-text citations lacking (September 2009), References needed (April 2016)
White-breasted parakeetLow Stub1 August 2012References needed (August 2012)
White-breasted wood wrenLow Start2 July 2009In-text citations lacking (July 2009), Citation with accessdate and no URL
White-capped albatrossLow Start1 April 2010Unsourced statements (April 2010)
White-crowned cuckooLow Stub1 November 2011Unsourced statements (November 2011)
White-eared honeyeaterLow C1 October 2012References needed (October 2012)
White-eyeHigh C4 April 2007Unsourced statements (June 2008, April 2007, March 2017), Dead external links {{dead link}} (October 2013)
White-eyed parakeetMid Start3 October 2008Unsourced statements (October 2008, November 2014), Disputed statements (October 2010)
White-eyed river martinLow FA1 September 2017Dead external links {{dead link}} (September 2017)
White-eyed vireoLow Start1 CS1 errors: external links
White-faced whistling duckLow Start1 March 2013In-text citations lacking (March 2013)
White-fronted scops owlLow Stub1 May 2014Vague or ambiguous time (May 2014)
White-lined tanagerLow Start1 CS1 errors: external links
White-naped xenopsarisMid FA1 October 2017Dead external links {{dead link}} (October 2017)
White-necked puffbirdLow Stub1 CS1 errors: external links
White-necked ravenLow Start1 July 2017References needed (July 2017)
White-plumed honeyeaterLow C2 January 2017Unsourced statements (January 2017), References needed (January 2017)
White-tailed eagleLow B2 Citation lacking title, CS1 errors: external links
White-throated fantailLow Start1 April 2017Unsourced statements (April 2017)
White-winged duckLow Start1 August 2011Unsourced statements (August 2011)
White-winged juncoLow Stub1 April 2008Unsourced statements (April 2008)
White-winged scoterLow Start1 March 2009References needed (March 2009)
Whooper swanLow Start1 February 2013Unsourced statements (February 2013)
Whooping craneMid Start3 October 2009Unsourced statements (October 2009, January 2014), Citation has redundant parameters
WigeonLow Stub1 November 2007Unsourced statements (November 2007)
Wild turkeyLow C2 January 2011Unsourced statements (January 2011, November 2016)
Wildfowl & Wetlands TrustLow Start2 December 2012Potentially dated statements (December 2012), Expansion needed (December 2013)
Wildlife liaison officerLow Stub1 October 2011Orphaned (October 2011)
William BartramLow B1 September 2015Unsourced statements (September 2015)
William Henry HudsonLow Start2 June 2017Unsourced statements (June 2017), In-text citations lacking (June 2017)
William Turner (naturalist)Mid Start2 August 2017Citation lacking title, Unsourced statements (August 2017)
Willow titLow Start1 June 2016References needed (June 2016)
WingMid C2 January 2015Unsourced statements (January 2015, April 2017)
Wing chord (biology)Low Stub1 October 2012Sources lacking (October 2012)
Wing clippingMid Start1 March 2014Introduction cleanup (March 2014)
Winged MigrationLow Start3 April 2009References needed (April 2009), Cleanup needed (September 2017), Prose needed (September 2017)
WingspanMid C2 February 2009Unsourced statements (February 2009), Clarification needed (September 2011)
Winter wrenLow C1 October 2010In-text citations lacking (October 2010)
Wire-tailed swallowLow Start1 October 2010In-text citations lacking (October 2010)
Witherby Memorial LectureLow List1 June 2018Orphaned (June 2018)
Wood duckMid Start3 February 2011Unsourced statements (January 2012, February 2011), Clarification needed (May 2017)
WoodfordiaMid Stub1 January 2010Sources lacking (January 2010)
Woodhouse's scrub jayLow Stub3 July 2008Unsourced statements (July 2008, July 2015), Web citation with no URL
World Series of BirdingLow Start1 July 2008Sources lacking (July 2008)
Wreck IslandLow Start1 July 2010Expansion needed (July 2010)
Wren-like rushbirdMid Stub1 November 2011Unsourced statements (November 2011)
WrentitLow Start1 December 2011Unsourced statements (December 2011)
XenerpestesMid Stub1 November 2011Sources lacking (November 2011)
Yellow-billed caciqueLow Start2 Web citation with no URL, Citation with accessdate and no URL
Yellow-billed loonLow Start1 CS1 errors: external links
Yellow-breasted buntingLow Start1 December 2017Unsourced statements (December 2017)
Yellow-crested cockatooMid Start1 April 2015Unsourced statements (April 2015)
Yellow-crowned euphoniaLow Stub1 September 2014References needed (September 2014)
Yellow-headed amazonLow B1 September 2008Unsourced statements (September 2008)
Yellow-legged gullMid Start1 November 2009Unsourced statements (November 2009)
Yellow-naped amazonLow Stub1 September 2011References needed (September 2011)
Yellow-rumped caciqueLow C1 January 2010In-text citations lacking (January 2010)
Yellow-tailed black cockatooLow FA1 September 2017Dead external links {{dead link}} (September 2017)
Yellow-tailed orioleLow Start2 Web citation with no URL, Citation with accessdate and no URL
Yellow-winged tanagerLow Stub1 February 2010In-text citations lacking (February 2010)
Yellowhead (bird)Low Start1 October 2017Unsourced statements (October 2017)
Ynys-hir RSPB reserveLow Start2 December 2013References needed (December 2013), Vague or ambiguous time (May 2016)
Zebra finchLow C2 September 2009References needed (November 2009), Cleanup needed (September 2009)
Zenaida doveLow Start1 November 2010In-text citations lacking (November 2010)
Zenker's turacoLow Stub1 October 2014References needed (October 2014)
Šumava chickenLow Stub1 August 2014References needed (August 2014)
ʻAkepaLow Start1 March 2017References needed (March 2017)
ʻAkiapolaʻauLow Start1 May 2016References needed (May 2016)
ʻAnianiauMid Start1 September 2015Unsourced statements (September 2015)
ʻIʻiwiMid Start1 February 2012References needed (February 2012)
ʻUla-ʻai-hawaneMid Start1 July 2007Unsourced statements (July 2007)
ʻĀmauiMid Start1 January 2009References needed (January 2009)
‘Elepaio (journal)Low Stub2 December 2014Notability unclear (December 2014), Reliable references lacking (December 2014)
‘Ōma’oLow Start1 January 2009References needed (January 2009)
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