Cleanup listing for WikiProject Birds as of June 20, 2017.

Of the 20066 articles in this project 2207 or 11% are marked for cleanup, with 3117 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 Stub2 June 2015Sources lacking (June 2015), Introduction cleanup (June 2015)
1821 in birding and ornithologyLow Stub2 June 2015Sources lacking (June 2015), Introduction cleanup (June 2015)
1822 in birding and ornithologyLow Stub3 June 2015Sources lacking (June 2015), Expansion needed (June 2015), Introduction cleanup (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)
2012 in birding and ornithologyLow Stub2 March 2012Expansion needed (March 2012), CS1 errors: external links
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)
Acre antshrikeLow Stub1 October 2016Dead external links (October 2016)
AcridotheresMid Start1 July 2007Unsourced statements (July 2007)
Adelaide International Bird Sanctuary National Park—Winaityinaityi PangkaraLow Stub1 May 2017Unsourced statements (May 2017)
AdzebillMid Start1 April 2007Unsourced statements (April 2007)
Adélie penguinLow Start1 June 2012Potentially dated statements (June 2012)
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 stonechatLow Start1 May 2009Factual verification needed (May 2009)
AgapornithinaeMid Stub1 December 2012Sources lacking (December 2012)
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 Start2 May 2014Unsourced statements (May 2014), Reference cleanup (August 2016)
Alagoas foliage-gleanerLow Stub1 March 2012References needed (March 2012)
Alaotra grebeLow Start2 May 2010Unsourced statements (May 2010), Dead external links (October 2016)
Alderney Bird ObservatoryLow Stub1 May 2016References needed (May 2016)
Alexander Williams (artist)Low Stub2 January 2015Cleanup needed (January 2015, January 2015)
Alexandrine parakeetLow Start3 November 2008References needed (December 2009), In-text citations lacking (November 2008, December 2009)
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)
Amelia LaskeyLow Stub1 June 2016Orphaned (June 2016)
American Birding AssociationMid Start1 August 2013Reliable references lacking (August 2013)
American Show RacerLow Stub2 June 2015Vague or ambiguous time (June 2015), Clarification needed (June 2015)
American flamingoLow B2 May 2014Unsourced statements (May 2014, December 2016)
American purple gallinuleLow Start1 March 2017Unsourced statements (March 2017)
American robinLow GA2 April 2015Unsourced statements (April 2015, May 2017)
American white pelicanLow B2 December 2008Factual verification needed (December 2008), Unsourced statements (December 2008)
Amsterdam albatrossLow C1 October 2010Dead external links (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)
Ancient murreletLow Start1 March 2011Unsourced statements (March 2011)
Andean flamingoLow C1 October 2016Dead external links (October 2016)
Andean gooseLow Start1 November 2013In-text citations lacking (November 2013)
Andean gullLow Start1 October 2016Dead external links (October 2016)
Andean ibisLow Start1 November 2016Dead external links (November 2016)
Andrew J. GraysonLow Stub1 December 2009Sources lacking (December 2009)
AndrewsornisLow Stub1 January 2013Expansion needed (January 2013)
Andries HoogerwerfLow Stub1 October 2016Dead external links (October 2016)
Angel wingLow Stub2 November 2015Unsourced statements (November 2015), Dead external links (March 2017)
Anhinga walterbolesiLow Stub1 May 2014References needed (May 2014)
Anjouan sunbirdLow Stub1 October 2016Dead external links (October 2016)
Anna's hummingbirdMid C2 April 2015Unsourced statements (April 2015), Dead external links (November 2016)
AnodorhynchusMid C1 December 2013Unsourced statements (December 2013)
Anser (bird)Mid Start2 February 2007Unsourced statements (June 2008, February 2007)
AnserinaeMid Start1 January 2013In-text citations lacking (January 2013)
Antarctic petrelMid Start2 November 2010Dead external links (November 2010, October 2016)
Antarctic prionLow Start1 January 2010Unsourced statements (January 2010)
Antarctica penguin deathsLow Stub3 February 2016References needed (March 2016), Orphaned (February 2016), NPOV disputes (March 2016)
Anthracite budgerigar mutationLow Stub2 July 2009References needed (July 2009), Dead external links (October 2016)
AnthropoidesLow Start1 December 2009Sources lacking (December 2009)
Anting (bird activity)Mid Start1 February 2016Unsourced statements (February 2016)
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 (October 2016)
ApodiformesTop Start1 October 2016Dead external links (October 2016)
Apovitellenin-1Low Stub1 October 2013Orphaned (October 2013)
Apricot-breasted sunbirdLow Stub1 October 2016Dead external links (October 2016)
Aquatic Warbler Memorandum of UnderstandingLow C1 October 2016Dead external links (October 2016)
Aquila chrysaetos simurghLow Stub1 February 2017Sources lacking (February 2017)
Arabian golden-winged grosbeakLow Start1 October 2016Dead external links (October 2016)
Arabian ostrichLow C2 June 2012Unsourced statements (May 2014, June 2012)
AracariMid Stub2 October 2016Dead external links (October 2016, December 2016)
AraucanaLow Start1 January 2017Dead external links (January 2017)
Araucaria tit-spinetailLow Stub1 October 2016Dead external links (October 2016)
ArchaeopsittacusLow Stub1 July 2007Factual verification needed (July 2007)
Archaeospheniscus wimaniLow Stub1 October 2016Dead external links (October 2016)
ArchaeotrogonidaeLow Stub1 January 2017References needed (January 2017)
ArchosaurLow C4 February 2007Unsourced statements (February 2007, January 2014, April 2017), Weasel-worded phrases (January 2016)
ArdennaiseLow Stub1 October 2016Dead external links (October 2016)
Arfak honeyeaterLow Stub1 October 2016Dead external links (October 2016)
ArgentavisLow C1 February 2012Unsourced statements (February 2012)
Argus (bird)Mid Stub1 December 2009Sources lacking (December 2009)
ArkaroolaLow Start2 February 2007References needed (May 2015), Unsourced statements (February 2007)
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 March 2013Orphaned (March 2013)
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 Start3 March 2009Unsourced statements (March 2009), Expert attention needed (May 2010)
Ashmore and Cartier IslandsLow Start4 August 2013Unsourced statements (August 2013, April 2014), References needed (April 2014), Clarification needed (April 2014)
Ashy-throated parrotbillLow Stub1 May 2009Factual verification needed (May 2009)
AsiahesperornisLow Stub2 September 2015Unsourced statements (September 2015, November 2015)
Asian brown flycatcherLow Start1 October 2007Unsourced statements (October 2007)
Asian ostrichLow Stub1 February 2010References needed (February 2010)
Asil chickenLow Start2 August 2010References needed (August 2010), Style editing needed (June 2016)
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 C1 December 2011Unsourced statements (December 2011)
Auckland IslandsLow C3 2008Potentially dated statements (2008, 2014), Dead external links (October 2016)
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 robinMid C1 URL error
Australasian treecreeperHigh Start1 March 2013In-text citations lacking (March 2013)
Australian AlpsLow Start1 December 2007References needed (December 2007)
Australian LangshanLow Stub1 July 2014In-text citations lacking (July 2014)
Australian SpottedLow Stub1 May 2009Sources lacking (May 2009)
Australian hobbyLow C2 June 2016Clarification needed (June 2016), Dead external links (October 2016)
Australian owlet-nightjarLow Start1 May 2009Unsourced statements (May 2009)
Australian pied cormorantLow Start1 August 2009Unsourced statements (August 2009)
AustralorpLow Start3 May 2010In-text citations lacking (May 2010), Unsourced statements (August 2014), Dead external links (October 2016)
Avian Brain Nomenclature ConsortiumMid Stub1 November 2007Sources lacking (November 2007)
Avian bornavirusLow Start1 May 2017References needed (May 2017)
Avian ecology field methodsMid Start1 April 2007Sources lacking (April 2007)
Avian keratin disorderUnknown Stub2 April 2017Citation with accessdate and no URL, Unreviewed new articles created via the Article Wizard (April 2017)
Avian malariaLow Stub1 May 2008Unsourced statements (May 2008)
Avian reovirusLow C3 November 2014Expert attention needed (November 2014), Too technical (November 2014)
Avian veterinarianMid Stub1 November 2007Sources lacking (November 2007)
AviaryLow Start1 October 2011Incomplete lists (October 2011)
AvicideLow Stub1 November 2015Unsourced statements (November 2015)
AvicultureHigh C2 July 2008References needed (July 2008), Limited geographic scope (June 2017)
AviornisLow Stub4 February 2012Sources lacking (February 2012), Unsourced statements (February 2012), Notability unclear (February 2012), Orphaned (March 2012)
Ayam CemaniLow Start1 August 2014References needed (August 2014)
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 (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-winged nightjarLow Stub1 October 2016Unsourced statements (October 2016)
Banded penguinMid Start1 CS1 errors: external links
Bank cormorantLow Start1 December 2009In-text citations lacking (December 2009)
Bantam (poultry)Mid Start3 March 2011Unsourced statements (March 2011, June 2015), References 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)
Barbu d'UccleLow Stub1 February 2016Unsourced statements (February 2016)
Bardsey Bird and Field ObservatoryLow Stub1 May 2014References needed (May 2014)
Bare-legged swiftletLow Stub1 October 2016Dead external links (October 2016)
Barking owlLow Start1 May 2014References needed (May 2014)
Barmah National ParkLow Start1 August 2014Minor POV problems (August 2014)
Barn-owlHigh Start2 December 2007Unsourced statements (December 2007, 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 doveLow Stub1 October 2016Dead external links (October 2016)
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 (October 2016)
Barrow's goldeneyeLow Start1 October 2016Dead external links (October 2016)
Basilinna (bird)Mid Stub1 August 2010Unsourced statements (August 2010)
Bathoceleus hyphalusLow Stub2 June 2010Unsourced statements (June 2010), References needed (June 2010)
BathornisLow Start2 July 2016Citation lacking title, Merge needed (July 2016)
Battery cageMid C3 September 2009Expansion needed (September 2009), Dead external links (October 2010), Unsourced statements (February 2015)
Baudo guanLow Start1 April 2017Unsourced statements (April 2017)
Baya weaverLow B1 October 2016Dead external links (October 2016)
Bean gooseLow Start1 April 2011Expansion needed (April 2011)
Bear Island (Norway)Low B3 September 2010Dead external links (September 2010), Unsourced statements (February 2011), Failed verification (February 2011)
Bearded reedlingHigh Start1 October 2016Dead external links (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 (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)
Beryl-spangled tanagerLow Stub1 January 2017References needed (January 2017)
Bewick's wrenMid Start1 October 2007Unsourced statements (October 2007)
Bielefelder KennhuhnLow Stub2 April 2015Expansion needed (April 2015), Sources lacking (April 2015)
Big yearLow Start1 December 2011Unsourced statements (December 2011)
Bijeljina RollerLow Stub1 November 2013Sources lacking (November 2013)
Bill OddieLow C4 January 2010Unsourced statements (January 2010, May 2010, April 2015), Citation with accessdate and no URL
BinocularsMid C4 August 2008Unsourced statements (August 2008, January 2012), Citation with bare URL, Citation lacking title
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 Start1 September 2014Unsourced statements (September 2014)
Bird colonyHigh Start1 URL error
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 C6 April 2009Unsourced statements (April 2009, November 2010, November 2016), Cleanup needed (September 2015, September 2015), Dead external links (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 hybridMid Start4 October 2008Cleanup needed (October 2008, October 2008), Unsourced statements (November 2012), Sources lacking (September 2012)
Bird ichnologyMid Start1 November 2015In-text citations lacking (November 2015)
Bird intelligenceHigh B5 April 2011Unsourced statements (September 2015, April 2011), Clarification needed (July 2011, February 2016), Weasel-worded phrases (February 2016)
Bird nettingLow Stub1 September 2015Reliable references lacking (September 2015)
Bird observatoryMid Start1 October 2012Sources lacking (October 2012)
Bird of preyTop Start2 April 2017Spam cleanup (April 2017), External link cleanup (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 (November 2016)
Bird scarerLow Start2 June 2009References needed (June 2009), In-text citations lacking (June 2009)
Bird strikeMid B2 January 2009Unsourced statements (January 2009, November 2010)
Bird trappingLow Start2 February 2011Factual verification needed (February 2011), Style editing needed (January 2014)
Bird visionHigh B2 December 2014Unsourced statements (September 2015, December 2014)
Bird vocalizationTop B1 September 2011Expansion needed (September 2011)
Bird-of-paradiseHigh C1 June 2008Unsourced statements (June 2008)
Bird-safeLow Start3 November 2007References needed (June 2008), Original research (June 2008), Cleanup needed (November 2007)
Bird-skyscraper collisionsLow Stub2 October 2015References needed (October 2015), Reliable references lacking (October 2015)
BirdLife AustraliaLow Stub1 September 2015References needed (September 2015)
BirdLife InternationalHigh Start4 August 2015Unsourced statements (August 2015), Reliable references lacking (August 2015), Expansion needed (August 2016, December 2016)
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 in cultureHigh Start1 Citation with accessdate and no URL
Birds of AustraliaHigh Start1 March 2013In-text citations lacking (March 2013)
Birds of CornwallLow Start3 2012Potentially dated statements (2012), Unsourced statements (November 2016), Factual verification needed (January 2017)
Birds of the Central Indian HighlandsLow Start1 February 2009Orphaned (February 2009)
Birdwatch (magazine)Low Stub1 May 2011References needed (May 2011)
BirdwatchingHigh B1 February 2010Original research (February 2010)
Bishop's ʻōʻōLow Start1 March 2015Factual verification needed (March 2015)
BiziuraMid Start1 March 2013In-text citations lacking (March 2013)
Black brantLow Stub1 November 2016Dead external links (November 2016)
Black bulbulLow Start1 November 2016Dead external links (November 2016)
Black grouseMid Start1 September 2010References needed (September 2010)
Black harrierLow Stub2 Citation with bare URL, Citation lacking title
Black jacobinLow Stub1 November 2016Dead external links (November 2016)
Black kiteMid C1 July 2010Unsourced statements (July 2010)
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 (November 2016)
Black-backed antshrikeLow Stub1 November 2016Dead external links (November 2016)
Black-bellied bustardLow Start1 March 2017Dead external links (March 2017)
Black-breasted pufflegLow Stub1 September 2016In-text citations lacking (September 2016)
Black-capped chickadeeLow C1 April 2016Unsourced statements (April 2016)
Black-capped white-eyeLow Stub1 November 2016Dead external links (November 2016)
Black-chested snake eagleLow Stub2 June 2013References needed (June 2013), In-text citations lacking (June 2013)
Black-collared apalisLow Stub1 November 2016Dead external links (November 2016)
Black-collared starlingLow Stub1 November 2016Dead external links (November 2016)
Black-crested titLow Stub1 November 2016Dead external links (November 2016)
Black-crowned babblerLow Stub1 November 2016Dead external links (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 (November 2016)
Black-faced laughingthrushLow Stub1 November 2016Dead external links (November 2016)
Black-headed parrotLow Start1 February 2017References needed (February 2017)
Black-hooded orioleLow Start1 January 2015Unsourced statements (January 2015)
Black-necked swanLow Start1 September 2012Factual verification needed (September 2012)
Black-streaked scimitar babblerLow Stub1 January 2011In-text citations lacking (January 2011)
Black-striped sparrowLow Start1 September 2014In-text citations lacking (September 2014)
Black-tailed gullLow Start1 April 2016Unsourced statements (April 2016)
Black-tailed tityraLow Start1 March 2008Unsourced statements (March 2008)
Black-throated parrotbillLow Stub1 November 2016Dead external links (November 2016)
Black-throated priniaLow Stub2 February 2014Sources lacking (February 2014), Reliable references lacking (May 2017)
Black-throated wrenLow Stub1 November 2016Dead external links (November 2016)
Black-whiskered vireoLow Start1 November 2010In-text citations lacking (November 2010)
Black-winged saltatorLow Stub2 November 2016Dead external links (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 FA2 April 2016Dead external links (April 2016, November 2016)
Blasius MerremLow Stub1 July 2013References needed (July 2013)
Bloedel Floral ConservatoryLow Start2 May 2014Promotional tone (May 2014), Conflict of interest (May 2014)
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 budgerigar mutationLow C1 April 2017Broken or outdated citations (April 2017)
Blue jayLow B1 December 2012Unsourced statements (December 2012)
Blue pigeonMid Start1 September 2012Introduction cleanup (September 2012)
Blue seedeaterLow Stub1 February 2011Unsourced statements (February 2011)
Blue-and-yellow macawMid Start2 March 2016Unsourced statements (March 2016), References needed (March 2016)
Blue-banded pittaLow Stub1 November 2016Dead external links (November 2016)
Blue-bearded bee-eaterLow C1 November 2016Dead external links (November 2016)
Blue-headed macawLow Start1 November 2016Dead external links (November 2016)
Blue-headed racket-tailLow Stub1 December 2016Unsourced statements (December 2016)
Blue-naped pittaLow Stub1 November 2016Dead external links (November 2016)
Blue-throated mountaingemLow Start1 May 2016References needed (May 2016)
Blue-winged kookaburraLow Start1 March 2012Unsourced statements (March 2012)
Blue-winged laughingthrushLow Stub1 November 2016Dead external links (November 2016)
Blue-winged tealMid Start2 November 2011Unsourced statements (November 2011), Clarification needed (November 2011)
Bluebird of happinessLow Start1 October 2007References needed (October 2007)
Bluebonnet (bird)Low Stub1 March 2017Sources lacking (March 2017)
Boatswain Bay Migratory Bird SanctuaryLow Stub1 October 2010Dead external links (October 2010)
Bob Spear (naturalist)Low Start1 March 2012Reference cleanup (March 2012)
BobolinkMid Start2 July 2010Unsourced statements (July 2010, December 2013)
Bocage's bushshrikeLow Stub1 November 2016Dead external links (November 2016)
Bohemian Fairy Swallow pigeonLow Stub1 August 2012Sources lacking (August 2012)
Bois Beckett ForestLow Start1 Coordinates needed
BokmakierieMid Start1 May 2012In-text citations lacking (May 2012)
Bonaventure IslandLow Start1 December 2012Dead external links (December 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 warblerLow Stub1 October 2010References needed (October 2010)
BowerbirdHigh Start6 April 2007Unsourced statements (April 2007, June 2010, April 2014), Disputed statements (March 2013), Citation with accessdate and no URL, Weasel-worded phrases (March 2016)
BrabanterLow Stub1 August 2014References needed (August 2014)
Bradley C. LivezeyLow Stub1 February 2011In-text citations lacking (February 2011)
Brahma chickenLow Start2 July 2013Unsourced statements (July 2013, March 2017)
BramblingMid Start1 February 2016Unsourced statements (February 2016)
Brant (goose)Low Start1 September 2010References lacking (September 2010)
BrantaMid Start1 February 2007Unsourced statements (February 2007)
Branta thessaliensisLow Stub1 August 2007Factual verification needed (August 2007)
Brazilian merganserLow Start4 January 2009In-text citations lacking (January 2009), Unsourced statements (June 2009), Weasel-worded phrases (June 2009), Dead external links (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)
Broad-billed prionLow Start2 July 2009Unsourced statements (July 2009, January 2010)
Broad-billed sandpiperLow Stub1 November 2016Dead external links (November 2016)
Broad-winged hawkLow Start3 October 2011Unsourced statements (November 2011, October 2011), Reliable references lacking (October 2011)
BroadbillMid Start1 November 2016Dead external links (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 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 (May 2017)
Brown hawk-owlLow Stub1 November 2016Dead external links (November 2016)
Brown parrotbillLow Stub1 November 2016Dead external links (November 2016)
Brown songlarkLow B1 November 2016Dead external links (November 2016)
Brown tealLow Start1 October 2014Expansion needed (October 2014)
Brown thrasherLow GA1 November 2016Dead external links (November 2016)
Brown wood railLow Stub1 November 2016Dead external links (November 2016)
Brown-backed cisticolaLow Stub1 November 2016Dead external links (November 2016)
Brown-backed parrotletLow Stub1 January 2012Unsourced statements (January 2012)
Brown-capped laughingthrushLow Stub1 November 2016Dead external links (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 (November 2016)
Brumlow TopLow Start1 April 2013Unsourced statements (April 2013)
Bruny IslandLow Start1 December 2014Unsourced statements (December 2014)
BudgerigarMid C4 July 2008Unsourced statements (July 2008, November 2012, August 2015, August 2016)
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)
Bullock's orioleLow Start1 July 2010References needed (July 2010)
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 (November 2016)
Bumblefoot (infection)Low Start1 March 2015Unsourced statements (March 2015)
Burchell's sandgrouseLow Start1 March 2017Dead external links (March 2017)
Burmese chickenLow Stub1 July 2016Unsourced statements (July 2016)
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 (November 2016)
BustardHigh Start1 April 2013Unsourced statements (April 2013)
Buteo sanyaLow Stub1 February 2017Unsourced statements (February 2017)
ButeogallusLow C1 January 2011Unsourced statements (January 2011)
ButeoninaeLow Start1 December 2009Sources lacking (December 2009)
BuzzardMid Start1 September 2016Clarification needed (September 2016)
Bylot Island Migratory Bird SanctuaryLow Stub1 October 2010Dead external links (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 (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)
CalyptomenaMid Stub1 December 2009Sources lacking (December 2009)
Cambodian tailorbirdLow Start1 June 2013Expansion needed (June 2013)
Campine (chicken)Low Start1 August 2014Unsourced statements (August 2014)
CampylorhynchusMid Stub1 December 2009Sources lacking (December 2009)
Canada gooseMid C5 February 2011Unsourced statements (May 2012, February 2011, December 2015, January 2017), Citation with accessdate and no URL
Canary Islands oystercatcherLow B1 July 2007Factual verification needed (July 2007)
CandlingLow Stub2 May 2014Unsourced statements (May 2014), References needed (June 2014)
Cantabrian capercaillieLow Start2 November 2011Unsourced statements (November 2011), Dead external links (November 2016)
Cape Barren gooseLow Start1 December 2009In-text citations lacking (December 2009)
Cape May Bird ObservatoryLow Start1 November 2016References needed (November 2016)
Cape bulbulLow Stub1 June 2011In-text citations lacking (June 2011)
Cape grassbirdMid Start1 November 2016Dead external links (November 2016)
Cape parrotMid Start3 July 2011Disputed statements (July 2011), Unsourced statements (December 2013), Dead external links (November 2016)
Cape petrelMid C2 October 2011Unsourced statements (October 2011), Dead external links (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)
Carolina Bird ClubLow Stub1 May 2015References needed (May 2015)
Carolina chickadeeLow Start1 October 2013In-text citations lacking (October 2013)
Carolina parakeetMid C3 February 2007Unsourced statements (February 2007, February 2013), References needed (January 2014)
Carrion crowLow Start1 November 2010Unsourced statements (November 2010)
Caruncle (bird anatomy)Mid Start1 November 2016Dead external links (November 2016)
CassowaryMid C2 November 2014Unsourced statements (November 2014), Page number citations needed (January 2015)
Catalan Ornithological InstituteLow Stub1 August 2008Reliable references lacking (August 2008)
CatenoleimusLow Stub1 October 2007Factual verification needed (October 2007)
CathartiformesLow Stub1 Citation with accessdate and no URL
Cauchois pigeonLow Stub1 August 2012Sources lacking (August 2012)
Cañon de Fernández State ParkLow Stub1 April 2013References needed (April 2013)
Celeus (bird)Mid Stub1 Citation with accessdate and no URL
CemaveLow Stub1 February 2013Orphaned (February 2013)
CentrocercusMid Start2 May 2015References needed (May 2015), Introduction cleanup (May 2015)
CeramornisLow Stub1 November 2016Dead external links (November 2016)
CercomacraMid Stub1 April 2010Sources lacking (April 2010)
Cetti's warblerLow Start1 July 2015Unsourced statements (July 2015)
ChalcophapsMid Stub1 December 2009References needed (December 2009)
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 C1 Detailed references needed
CharadriiformesTop Start3 April 2007Unsourced statements (April 2007, September 2013), Dead external links (November 2016)
Chari-Dhand Wetland Conservation ReserveLow Start2 January 2011Expansion needed (January 2011), Dead external links (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 2009Expansion needed (February 2009)
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 (November 2016)
Chatham penguinLow Stub1 September 2015Unsourced statements (September 2015)
Chen (genus)Mid Stub1 February 2007Unsourced statements (February 2007)
Cher AmiLow Start2 May 2011Factual verification needed (May 2011, November 2013)
Cherry-throated tanagerLow Start1 November 2016Dead external links (November 2016)
Chestnut-bellied cuckooLow Stub1 November 2011Unsourced statements (November 2011)
Chestnut-crowned laughingthrushLow Stub1 November 2016Dead external links (November 2016)
Chestnut-eared aracariLow Stub1 June 2017Dead external links (June 2017)
Chestnut-faced babblerLow Start1 November 2016Dead external links (November 2016)
Chestnut-fronted macawLow Stub1 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)
Chestnut-rumped thornbillLow C1 November 2016Dead external links (November 2016)
Chick cullingLow Start1 June 2016Vague or ambiguous time (June 2016)
ChickadeeLow Stub1 July 2015Unsourced statements (July 2015)
ChickcharneyLow Stub1 February 2012Sources lacking (February 2012)
ChickenHigh C3 October 2013Unsourced statements (October 2013, April 2016, December 2015)
Chicken coopLow Start2 October 2013Cleanup needed (October 2013, October 2013)
Chicken eyeglassesLow C2 Citation lacking title, Citation with accessdate and no URL
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 (June 2017)
China–Australia Migratory Bird AgreementLow Stub2 June 2008References needed (June 2008), Sources lacking (November 2016)
Chloris (bird)Mid Stub1 April 2015Unsourced statements (April 2015)
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 November 2016Dead external links (November 2016)
Chris MeadLow Start1 February 2011Incomplete lists (February 2011)
Chris PerrinsLow Stub2 July 2016Potentially dated statements (2016), Unsourced statements (July 2016)
Christian JouaninLow Start1 May 2010BLP articles lacking sources (May 2010)
ChrysothlypisMid Stub1 June 2011Sources lacking (June 2011)
CicinnurusMid Stub1 December 2009Sources lacking (December 2009)
Cinereous tinamouLow Start2 February 2009Unsourced statements (February 2009), Dead external links (November 2016)
CircaetinaeMid Stub1 December 2009Sources lacking (December 2009)
Citreoline trogonLow Stub1 April 2017Unsourced statements (April 2017)
Citril finchLow Start1 May 2009Factual verification needed (May 2009)
Citron-crested cockatooMid Start1 November 2013References needed (November 2013)
Clapper railLow Start1 November 2010In-text citations lacking (November 2010)
Clay-colored thrushLow Start1 CS1 errors: external links
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)
Cnemial crestLow Stub1 September 2011Sources lacking (September 2011)
Coal titMid C2 May 2009Factual verification needed (May 2009, September 2009)
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 C9 February 2009Unsourced statements (February 2009, March 2012, October 2014, June 2013, April 2017), Citation with accessdate and no URL, CS1 errors: dates, Dead external links (June 2016), Weasel-worded phrases (May 2017)
Coenraad Jacob TemminckLow Start1 February 2011Incomplete lists (February 2011)
Coffin Bay National ParkLow Start1 February 2014References needed (February 2014)
ColaptesMid Start1 January 2016Unsourced statements (January 2016)
Colin BradshawLow Start1 August 2014Unsourced statements (August 2014)
Collared aracariMid Start1 June 2017Dead external links (June 2017)
Collared forest falconLow Stub2 Citation with bare URL, Citation lacking title
Collared nightjarMid Stub1 June 2016Unsourced statements (June 2016)
Cologne TumblerLow Stub1 August 2012Sources lacking (August 2012)
Comb duckLow Start1 URL error
CominoLow C1 May 2017Weasel-worded phrases (May 2017)
Common black hawkLow Start1 CS1 errors: external links
Common bush tanagerLow Start1 December 2008Unsourced statements (December 2008)
Common buzzardMid Start4 May 2011Unsourced statements (September 2011, May 2011, March 2016), Vague or ambiguous geographic scope (February 2014)
Common craneLow Start2 May 2015Unsourced statements (May 2015), CS1 errors: external links
Common cuckooMid C2 August 2015CS1 errors: dates, Clarification needed (August 2015)
Common goldeneyeLow Start3 May 2014Unsourced statements (May 2014, May 2016), References needed (March 2015)
Common grackleLow Start2 April 2015Unsourced statements (April 2016, April 2015)
Common kestrelLow B1 January 2009Unsourced statements (January 2009)
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 C3 December 2007Factual verification needed (March 2009), Unsourced statements (December 2007, 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 redshankLow Start1 Web citation with no URL
Common ringed ploverLow Start1 Web citation with no URL
Common rosefinchLow Stub1 January 2016Unsourced statements (January 2016)
Common swiftMid Start2 May 2013Unsourced statements (May 2013), Weasel-worded phrases (October 2016)
Companion parrotMid Start3 September 2010References needed (September 2010), Unsourced statements (December 2010, August 2011)
ConcornisLow Start1 December 2007Unsourced statements (December 2007)
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 Start2 May 2016Expansion needed (May 2016), References needed (February 2017)
Cook's petrelLow Start1 November 2011Unsourced statements (November 2011)
Cooper's hawkLow Start1 February 2017Unsourced statements (February 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 B3 November 2007Factual verification needed (November 2007), Unsourced statements (June 2016), CS1 errors: external links
Cormorant fishingLow Start1 Citation with accessdate and no URL
Cornelis HazevoetLow C1 2010Potentially dated statements (2010)
Cornish chickenLow Start1 Citation with accessdate and no URL
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 B5 April 2007Unsourced statements (April 2007, October 2011, February 2011), Clarification needed (September 2010), CS1 errors: invisible characters
CorvusMid C5 June 2011Unsourced statements (December 2012, June 2011), Reliable references lacking (June 2011), Limited geographic scope (July 2014), References needed (December 2015)
Corvus (heraldry)Low Stub1 August 2011Reliable references lacking (August 2011)
CosmopsarusLow Stub1 January 2010Sources lacking (January 2010)
Cotton pygmy gooseLow Start3 February 2011Detailed references needed, Unsourced statements (February 2011), Vague or ambiguous geographic scope (July 2011)
CoucalMid Start1 February 2007Unsourced statements (February 2007)
Cox's sandpiperLow Start1 March 2008Clarification needed (March 2008)
Crane hawkMid Stub1 March 2016Vague or ambiguous time (March 2016)
Cream-bellied muniaLow Stub1 January 2010Sources lacking (January 2010)
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 barbetLow Start1 June 2014Clarification needed (June 2014)
Crested duckLow Stub1 July 2009Unsourced statements (July 2009)
Crested ibisLow Stub1 November 2014Unsourced statements (November 2014)
Crested penguinMid Start1 December 2011Weasel-worded phrases (December 2011)
CrexMid GA1 Citation lacking title
Crimson rosellaMid C2 April 2009In-text citations lacking (April 2009), Unsourced statements (October 2011)
Crimson-collared tanagerLow Start1 March 2009Unsourced statements (March 2009)
Croad LangshanLow Start1 August 2014Unsourced statements (August 2014)
Crop milkMid Start2 September 2011Unsourced statements (September 2011, August 2016)
CrotophaginaeMid Stub1 June 2012Unsourced statements (June 2012)
Crowned eagleLow C1 CS1 errors: dates
Crowned slaty flycatcherMid Stub1 December 2012References needed (December 2012)
CrypsirinaMid Stub1 January 2013In-text citations lacking (January 2013)
Cuban green woodpeckerMid Stub1 CS1 errors: external links
Cuban orioleLow Stub1 CS1 errors: external links
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 Start5 March 2007References needed (March 2007), Unsourced statements (November 2009, May 2015), 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 (December 2016)
Curlew sandpiperLow Start1 December 2016Dead external links (December 2016)
Curve-billed thrasherLow GA1 December 2016Dead external links (December 2016)
Cyprus dipperLow Stub1 June 2010Unsourced statements (June 2010)
Côme-Damien DeglandLow Stub1 September 2015Unsourced statements (September 2015)
DactylyMid List1 February 2010Unsourced statements (February 2010)
Dalmatian pelicanLow Start1 March 2017Unsourced statements (March 2017)
Danish TumblerLow Stub1 August 2012Sources lacking (August 2012)
Dark budgerigar mutationLow C1 Citation lacking title
DarterLow B1 September 2009Factual verification needed (September 2009)
DasornisLow C1 October 2011Weasel-worded phrases (October 2011)
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 SnowMid 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 Stub1 February 2016Unreferenced BLPs (February 2016)
Dawn chorus (birds)Low Start1 December 2014Unsourced statements (December 2014)
De Witt IslandLow Stub1 CS1 errors: external links
DebeakingLow C5 October 2015Expansion needed (October 2015), Unsourced statements (June 2016), 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)
Delft National ParkLow Start1 December 2016Dead external links (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 (December 2016)
DendragapusLow Start1 June 2014Unsourced statements (June 2014)
Denis A. SaundersLow Stub1 April 2009In-text citations lacking (April 2009)
Dent Island, New ZealandLow Start1 December 2016Dead external links (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 (June 2017)
Dermanyssus gallinaeLow Start1 February 2015Unsourced statements (February 2015)
Desert finchMid Start1 February 2007Unsourced statements (February 2007)
Devil BirdLow Start4 February 2007Unsourced statements (October 2008, February 2007), References needed (April 2016), CS1 errors: external links
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 (December 2016)
Dick the MockingbirdLow Start1 February 2011Page number citations needed (February 2011)
DickcisselLow Start1 January 2011References needed (January 2011)
Dietary biology of the golden eagleMid B2 June 2017Reliable references lacking (June 2017), Dead external links (June 2017)
Diglossa (bird)Mid Stub1 May 2007Unsourced statements (May 2007)
DiglossopisMid Stub1 May 2007Unsourced statements (May 2007)
DinornisLow Start2 March 2008Unsourced statements (March 2008), In-text citations lacking (August 2012)
DiphyllodesLow Stub1 November 2009Sources lacking (November 2009)
Diseases of CanariesLow Stub1 July 2011Sources lacking (July 2011)
Diving birdLow Stub1 February 2010Sources lacking (February 2010)
Djibouti francolinLow GA1 September 2010Dead external links (September 2010)
Domestic duckLow Start1 October 2007References needed (October 2007)
Domestic muscovy duckMid Stub1 November 2016Sources lacking (November 2016)
Domestic pigeonLow Start3 November 2009Unsourced statements (November 2009), Dead external links (October 2010, April 2013)
Domesticated guineafowlLow Stub1 October 2008In-text citations lacking (October 2008)
Domesticated quailMid Start2 January 2016References needed (January 2016), In-text citations lacking (January 2016)
Domesticated turkeyLow C5 September 2008Unsourced statements (September 2008, November 2011, April 2011, November 2015), Dead external links (December 2016)
Dominique G. HombergerLow Stub1 January 2011Orphaned (January 2011)
Dominique chickenLow Stub1 May 2016Unsourced statements (May 2016)
Double-banded ploverLow Start1 Web citation with no URL
Double-collared seedeaterLow Stub1 October 2009References needed (October 2009)
Double-striped thick-kneeLow Start1 August 2014In-text citations lacking (August 2014)
DovecoteLow Start5 May 2008Unsourced statements (May 2008, November 2009), Expansion needed (November 2009), Clarification needed (March 2010), 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 (December 2016)
DrepanornisLow Stub1 November 2009Sources lacking (November 2009)
Driven grouse shootingLow Start1 June 2015Dead external links (June 2015)
DromornithidaeLow C3 August 2013Unsourced statements (September 2013, April 2016), References needed (August 2013)
Druridge Bay curlewLow C1 June 2008Expansion needed (June 2008)
DuckHigh C5 December 2007Unsourced statements (December 2007, November 2010, October 2013, June 2012, June 2013)
Duck callLow Start1 June 2014Unsourced statements (June 2014)
Duck decoy (model)Low Start6 July 2012Unsourced statements (July 2012), Dead external links (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)
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)
Dwarf bitternLow Stub1 May 2014Clarification needed (May 2014)
EagleHigh C2 December 2012Unsourced statements (December 2012), References needed (July 2016)
Ear tuftLow Stub1 September 2014References needed (September 2014)
Eared doveLow Start1 August 2014Unsourced statements (August 2014)
EarthflightLow Stub2 Citation with bare URL, Citation lacking title
East Asian–Australasian FlywayLow Stub1 September 2008Unsourced statements (September 2008)
East Atlantic FlywayLow Stub1 December 2016Dead external links (December 2016)
Eastern Canary Islands chiffchaffLow Start1 February 2007Unsourced statements (February 2007)
Eastern Orphean warblerLow Start1 May 2013In-text citations lacking (May 2013)
Eastern grass owlLow Start1 July 2014Vague or ambiguous geographic scope (July 2014)
Eastern great egretLow Start1 January 2016Unsourced statements (January 2016)
Eastern kingbirdLow Start2 August 2016Style editing needed (August 2016), Reorganization needed (August 2016)
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 Start2 July 2015Merge needed (July 2015), Update needed (January 2017)
EclectusLow Stub1 December 2009Sources lacking (December 2009)
Eclectus parrotMid Start3 May 2011Unsourced statements (January 2013, May 2011), Factual verification needed (May 2011)
Eddystone (Tasmania)Low Stub3 July 2015Unsourced statements (July 2015), Vague or ambiguous time (July 2015), CS1 errors: external links
Edgar ChanceLow Start1 October 2015Unsourced statements (October 2015)
Edible bird's nestLow Start4 August 2013Unsourced statements (September 2014, September 2015, August 2013, January 2016)
Edible-nest swiftletLow Start1 May 2016References needed (May 2016)
Edward DoubledayLow Stub1 May 2013References needed (May 2013)
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 Stub2 April 2009In-text citations lacking (April 2009), Expansion needed (May 2014)
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)
EldeyLow Stub1 April 2017References needed (April 2017)
Elegant crested tinamouLow C1 December 2016Dead external links (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)
EmberizidaeHigh Start1 October 2015Unsourced statements (October 2015)
Emei leaf warblerLow Start1 Web citation with no URL
Empress of Germany's bird of paradiseLow Stub1 August 2015References needed (August 2015)
Emu (journal)Low Stub1 Citation with accessdate and no URL
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
Entente Européenne d'Aviculture et de CunicultureLow Stub1 May 2017References needed (May 2017)
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)
ErythrotriorchisMid Stub1 Citation lacking title
EstrildaMid Stub1 October 2009References needed (October 2009)
EthnoornithologyMid Start1 July 2010Expansion needed (July 2010)
Eudyptula novaehollandiaeLow Stub1 Citation with accessdate and no URL
EuphagusMid Stub1 January 2017In-text citations lacking (January 2017)
Eurasian blue titLow B1 August 2011Weasel-worded phrases (August 2011)
Eurasian dotterelLow Start1 February 2016Unsourced statements (February 2016)
Eurasian eagle-owl in Great BritainLow Stub2 July 2013Orphaned (July 2013), Dead external links (March 2017)
Eurasian hobbyMid Start1 CS1 errors: external links
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 C3 December 2010References needed (December 2010), Unsourced statements (November 2015, February 2017)
Eurasian sparrowhawkLow GA1 June 2010Dead external links (June 2010)
Eurasian spoonbillLow Start1 Web citation with no URL
Eurasian stone-curlewLow Start3 Web citation with no URL, Citation with accessdate and no URL, CS1 errors: external links
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 (September 2016)
European bee-eaterLow Start2 October 2012Unsourced statements (October 2012, April 2013)
European herring gullMid C8 September 2013References needed (September 2014, June 2014), Citation with accessdate and no URL, Expansion needed (September 2013), Original research (June 2014), NPOV disputes (September 2014), Accuracy disputes (September 2014), Dead external links (May 2016)
European honey buzzardLow C1 January 2015Unsourced statements (January 2015)
European pied flycatcherLow B1 July 2016Dead external links (July 2016)
European robinLow GA1 February 2015Unsourced statements (February 2015)
European shagLow Start1 Web citation with no URL
EurostopodusMid Stub1 January 2017Sources lacking (January 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)
Eye-ringLow Stub1 Citation with accessdate and no URL
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)
Falcon adenovirus ALow Start1 June 2017Orphaned (June 2017)
FalconimorphaeLow Stub1 February 2017Orphaned (February 2017)
FalconryMid B4 November 2012Unsourced statements (November 2012, April 2016), Page number citations needed (September 2013), CS1 errors: chapter ignored
Fantail pigeonLow Stub1 July 2015Unsourced statements (July 2015)
Faroese gooseLow Stub1 December 2015References needed (December 2015)
Fastest animalsLow List1 Web citation with no URL
Faunistic Park Le CornelleLow Stub2 April 2014Reliable references lacking (April 2014), References needed (September 2016)
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)
Feather developmentLow Start3 December 2016Orphaned (December 2016), Introduction cleanup (January 2017), Wikilinks needed (January 2017)
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 (November 2013)
Field guideLow Start1 June 2013Unsourced statements (June 2013)
Fiery-billed aracariMid Start1 June 2017Dead external links (June 2017)
FirefinchMid Stub1 July 2010Sources lacking (July 2010)
FiretailLow Stub1 November 2013Sources lacking (November 2013)
Fischer's lovebirdMid Start2 October 2008References needed (October 2008), Cleanup needed (September 2009)
Fitzroy River (Queensland)Low Start1 November 2015Unsourced statements (November 2015)
FlamingoTop C1 March 2013Unsourced statements (March 2013)
Flapping counter-torqueLow Start1 May 2010Orphaned (May 2010)
Flightless birdLow Start2 July 2012Unsourced statements (July 2012), Clarification needed (November 2014)
Flocking (behavior)Mid Start1 March 2015Unsourced statements (March 2015)
Flores hawk-eagleLow Stub1 June 2011Unsourced statements (June 2011)
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)
ForpusMid Stub1 October 2016Links needing disambiguation (October 2016)
Forster's ternLow Stub1 Citation with accessdate and no URL
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 Start1 November 2008Reliable references lacking (November 2008)
Franklin's ForestLow Stub1 April 2014Orphaned (April 2014)
Fraser IslandLow B3 September 2010Expansion needed (September 2010), Potentially dated statements (2015), Unsourced statements (May 2016)
Free-range eggsLow C4 October 2013Unsourced statements (October 2013, March 2014, November 2016), Clarification needed (March 2014)
FregettaMid Stub1 August 2011Sources lacking (August 2011)
Frizzle (chicken breed)Low Stub1 August 2014Unsourced statements (August 2014)
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)
GadwallLow Start1 Citation lacking title
GaganaLow Stub2 June 2017Sources lacking (June 2017), Notability unclear (June 2017)
GalahMid C4 November 2009Unsourced statements (November 2009, December 2013), In-text citations lacking (November 2009), Clarification needed (December 2013)
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)
GallopheasantMid Stub1 December 2009Sources lacking (December 2009)
GamecockLow Stub4 May 2009References needed (May 2009), NPOV disputes (January 2015), Merge needed (January 2015), Original research (November 2016)
Genomic evolution of birdsLow C1 February 2017References needed (February 2017)
Gentoo penguinLow Start2 2016Citation with accessdate and no URL, Potentially dated statements (2016)
George Arthur KeartlandLow Stub1 January 2013References needed (January 2013)
Georgia's Colonial Coast Birding TrailLow Start1 Coordinates needed
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 (January 2017)
Gippsland LakesLow Start1 CS1 errors: external links
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)
Glen ChiltonLow Start1 March 2017Unsourced statements (March 2017)
Glossy ibisLow Start1 CS1 errors: external links
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 parakeetMid C1 September 2014Clarification needed (September 2014)
Golden-crowned warblerLow Start2 May 2012In-text citations lacking (May 2012), CS1 errors: external links
Golden-olive woodpeckerLow Start1 Citation with accessdate and no URL
Golden-throated barbetLow Start1 May 2017Reliable references lacking (May 2017)
Goldie (eagle)Low Stub1 March 2011Sources lacking (March 2011)
Goldie's lorikeetLow Start1 May 2009Weasel-worded phrases (May 2009)
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)
GramapriyaLow Stub2 Citation with bare URL, Citation lacking title
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 argusLow Start1 February 2016Weasel-worded phrases (February 2016)
Great blue turacoLow Stub1 May 2017Unsourced statements (May 2017)
Great cormorantLow Start3 June 2009Unsourced statements (June 2009), Weasel-worded phrases (December 2011), CS1 errors: external links
Great egretLow Start1 July 2016Unsourced statements (July 2016)
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 C2 December 2014Dead external links (December 2014), CS1 errors: external links
Great-tailed grackleLow Start2 May 2013Unsourced statements (May 2013, November 2016)
Great-winged petrelLow Stub1 April 2016Unsourced statements (April 2016)
Greater adjutantLow GA1 Citation with accessdate and no URL
Greater akialoaLow Stub1 January 2009References needed (January 2009)
Greater coucalLow C2 Citation with bare URL, Citation lacking title
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 (April 2017)
Greater scaupLow GA1 CS1 errors: external links
Greater short-toed larkLow Start1 August 2014Clarification needed (August 2014)
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 Stub1 April 2012Unsourced statements (April 2012)
Green avadavatLow Start2 Citation with bare URL, Citation lacking title
Green hyliaLow Stub1 December 2016Links needing disambiguation (December 2016)
Green jayLow Start1 Web citation with no URL
Green peafowlLow C3 October 2008In-text citations lacking (October 2008), Original research (October 2008), CS1 errors: external links
Green thorntailLow Stub1 URL error
Green-breasted mangoLow Start1 August 2016Unsourced statements (August 2016)
Green-cheeked parakeetLow Start2 July 2009References needed (July 2009), Dead external links (May 2017)
Green-crowned brilliantLow Start1 CS1 errors: external links
Green-rumped parrotletLow Start1 Citation with accessdate and no URL
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
Grey crowned craneLow Start1 August 2015References needed (August 2015)
Grey heronLow GA1 Web citation with no URL
Grey petrelLow Start1 November 2010Dead external links (November 2010)
Grey-breasted mountain toucanLow Stub1 May 2011References needed (May 2011)
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 (March 2017)
Grey-legged tinamouLow Stub1 February 2009Unsourced statements (February 2009)
Grey-sided bush warblerLow Stub1 December 2009References needed (December 2009)
Griffon vultureLow Start2 January 2017CS1 errors: external links, Unsourced statements (January 2017)
GrouseMid C1 Citation with accessdate and no URL
GruiformesTop C1 April 2016Unsourced statements (April 2016)
Grus (genus)Mid Start1 September 2007Factual verification needed (September 2007)
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 (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 (June 2016)
Gular skinLow Stub1 May 2010References needed (May 2010)
Gulf St Vincent Important Bird AreaLow Stub1 November 2014Weasel-worded phrases (November 2014)
GullHigh B2 December 2009References needed (December 2009), Unsourced statements (July 2010)
Gull-billed ternMid Start1 Web citation with no URL
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 C3 February 2007Unsourced statements (February 2007), Citation with accessdate and no URL, 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 Stub2 August 2011Detailed references needed, Dead external links (August 2011)
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)
Hannibal (swan)Low Start1 January 2011Orphaned (January 2011)
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)
Harris's hawkLow B2 May 2010Unsourced statements (May 2013), Factual verification needed (May 2010)
Harris's sparrowLow B1 July 2014Clarification needed (July 2014)
Harrison B. TordoffLow C1 2017DOIs inactive (2017)
Harry Gibbons Migratory Bird SanctuaryLow Stub1 October 2010Dead external links (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)
Heath henLow Start2 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 (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 and Chicken IslandsLow Start1 November 2015References needed (November 2015)
Hen harrierMid Start1 March 2017Unsourced statements (March 2017)
Henderson crakeLow Stub1 January 2013References needed (January 2013)
Henry Eeles DresserLow Start1 Detailed references needed
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)
HeronHigh C1 April 2016Unsourced statements (April 2016)
Heron Island (Queensland)Low C1 April 2008Factual verification needed (April 2008)
HerpsilochmusLow Stub1 May 2011Sources lacking (May 2011)
HieraaetusLow Stub1 April 2017Dead external links (April 2017)
Highland finchLow Start1 November 2007Unsourced statements (November 2007)
Himalayan bulbulLow Stub1 December 2016References needed (December 2016)
Himalayan monalLow Start1 May 2017Unsourced statements (May 2017)
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)
Hock burnsLow Stub1 November 2016Dead external links (November 2016)
Hodgson's hawk-cuckooLow Start1 May 2017Reliable references lacking (May 2017)
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 (January 2016), Spam cleanup (January 2016)
HoneybirdMid Stub1 December 2009Sources lacking (December 2009)
Hooded craneLow Stub1 April 2017Unsourced statements (April 2017)
Hooded crowLow GA1 November 2014Accuracy disputes (November 2014)
Hooded dotterelLow C1 April 2017Dead external links (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 (November 2016)
HornbillHigh C1 May 2014Unsourced statements (May 2014)
Horned grebeLow Start1 July 2011References needed (July 2011)
Horned larkLow Start1 November 2016Vague or ambiguous time (November 2016)
Horned owlMid Start1 November 2008Factual verification needed (November 2008)
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 B7 December 2007Potentially dated statements (2007, 2012), Unsourced statements (March 2008, February 2008, December 2007, April 2015), CS1 errors: chapter ignored
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 (April 2017)
HulsanpesLow Stub5 July 2011Expert attention needed (May 2016), Unsourced statements (September 2015, July 2011), Self-contradictory articles (May 2016)
HummingbirdTop C3 May 2014Unsourced statements (May 2014, June 2016), References needed (April 2015)
Hunstein's mannikinLow Stub1 February 2017Dead external links (February 2017)
Hunting with eaglesLow Start1 March 2015Merge needed (March 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 Start2 February 2007Unsourced statements (February 2007), URL error
HydropsalisMid Stub1 February 2017References needed (February 2017)
HylexetastesMid Stub1 April 2010Sources lacking (April 2010)
Hypothetical speciesLow Stub1 August 2012Expansion needed (August 2012)
ISA BrownLow Stub1 August 2014References needed (August 2014)
IUCN Species Survival CommissionLow Start5 February 2009Expansion needed (February 2009), Cleanup needed (April 2013), Citation with bare URL, Citation lacking title, Prose needed (April 2013)
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)
IcteridHigh Start1 April 2017Dead external links (April 2017)
Ikara-Flinders Ranges National ParkLow Start1 CS1 errors: external links
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)
Incubator (egg)Mid Stub1 October 2009Unsourced statements (October 2009)
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 B2 May 2017Citation lacking title, Unsourced statements (May 2017)
Indian scops owlLow Start1 Citation lacking title
Indian yellow-nosed albatrossLow C2 October 2010Dead external links (October 2010, February 2017)
Indigo-capped hummingbirdLow Stub1 November 2010References needed (November 2010)
Inghams EnterprisesLow Stub1 June 2012Unsourced statements (June 2012)
Innes National ParkLow Start1 January 2015References needed (January 2015)
Invasive species in HawaiiLow C3 February 2013Dead external links (February 2013, December 2016), References needed (December 2016)
Iowa BlueLow Start2 August 2014References needed (August 2014), Notability unclear (August 2014)
Irish BirdsMid Stub1 March 2017Sources lacking (March 2017)
Island swiftletLow Stub1 April 2017Dead external links (April 2017)
Isøyane Bird SanctuaryLow Stub1 Coordinates needed
Ivory gullLow Start1 July 2012Disputed statements (July 2012)
Ivory-billed woodpeckerLow B3 January 2011Clarification needed (January 2011), Unsourced statements (March 2016), Dead external links (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)
James EikeLow Start1 January 2015Orphaned (January 2015)
James Fisher (naturalist)Low Start1 August 2008Incomplete lists (August 2008)
James Parsons BurkittLow Stub1 January 2017Links needing disambiguation (January 2017)
James's flamingoLow Start1 April 2010Unsourced statements (April 2010)
Jan MayenLow B4 July 2012Clarification needed (July 2012), Dead external links (June 2016, August 2016), Disputed statements (March 2017)
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)
JayMid Start2 February 2007Unsourced statements (February 2007), In-text citations lacking (June 2013)
Jean-Théodore DescourtilzLow Start1 April 2016References needed (April 2016)
Jemima Parry-JonesLow Start2 May 2011BLP articles lacking sources (May 2011), Dead external links (April 2017)
Jennifer F. M. HorneLow Stub1 December 2009References needed (December 2009)
Jerdon's babblerLow Stub3 May 2009Factual verification needed (May 2009, June 2009), CS1 errors: external links
Jeremy GreenwoodLow Stub2 October 2008In-text citations lacking (October 2008), Unsourced statements (October 2008)
Jersey ZooMid Start2 January 2009Unsourced statements (January 2009, January 2017)
Jervis BayLow Start3 February 2015Citation lacking title, Page number citations needed (February 2015), CS1 errors: external links
Jess (falconry)Low Start1 December 2009References needed (December 2009)
Jim FleggLow Stub1 June 2012Unsourced statements (June 2012)
Joel Asaph AllenLow Start1 February 2017Unsourced statements (February 2017)
John BachmanLow Start1 January 2009Unsourced statements (January 2009)
John Burton ClelandLow Start1 April 2017Dead external links (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 (April 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 Legg (ornithologist)Low Stub1 March 2014Orphaned (March 2014)
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 Stub2 November 2007Factual verification needed (November 2007), URL error
JuncoMid Stub1 December 2009Sources lacking (December 2009)
Jungle priniaLow Start1 May 2017Reliable references lacking (May 2017)
Kadalundi Bird SanctuaryLow Stub1 Coordinates needed
Kangaroo IslandLow C8 July 2008Unsourced statements (July 2008, July 2010, September 2012, February 2012, June 2014, June 2016, September 2016), Potentially dated statements (January 2016)
Kapp Linné Bird SanctuaryLow Stub1 Coordinates needed
Karakul (Tajikistan)Low Start1 November 2014Unsourced 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 (December 2016)
Kaudulla National ParkLow Start1 October 2010Dead external links (October 2010)
KeaLow B1 May 2017Dead external links (May 2017)
Keel-billed toucanMid Start1 CS1 errors: external links
KelenkenLow Stub2 June 2012Expansion needed (June 2012), References needed (April 2016)
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 (May 2017)
Kenn KaufmanLow Start1 November 2012BLP articles lacking sources (November 2012)
Kermadec IslandsLow Start1 December 2008References needed (December 2008)
Key Habitat SiteLow Stub2 March 2017References needed (March 2017), Dead external links (May 2017)
Key West quail-doveLow Stub1 November 2010In-text citations lacking (November 2010)
King penguinLow B2 February 2017Vague or ambiguous geographic scope (February 2017), Introduction cleanup (February 2017)
King quailLow Start1 June 2014References needed (June 2014)
KingbirdLow Start1 December 2009Sources lacking (December 2009)
Kingston parakeetsLow Stub1 December 2015In-text citations lacking (December 2015)
Kirtland's warblerLow C1 February 2016Unsourced statements (February 2016)
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 (September 2013)
KnipolegusMid Stub1 April 2010Sources lacking (April 2010)
Knob-billed duckLow Start1 URL error
Konrad LorenzMid Start2 July 2015Unsourced statements (July 2015), Weasel-worded phrases (March 2017)
Kosi Bird ObservatoryLow Stub1 April 2016Wikilinks needed (April 2016)
Kranich MuseumLow Start1 August 2012Unsourced statements (August 2012)
Kutch Bustard SanctuaryLow Start1 October 2010Dead external links (October 2010)
Königsberg Coloured Head TumblerLow Start1 February 2013Orphaned (February 2013)
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
Laced woodpeckerLow Stub1 May 2017Reliable references lacking (May 2017)
Lack's principleLow C1 Web citation with no URL
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 Stub1 October 2013Unsourced statements (October 2013)
Lake CallabonnaLow Stub1 February 2015References needed (February 2015)
Lake EyreLow Start1 April 2016Unsourced statements (April 2016)
Lake Galilee (Queensland)Low C2 November 2012Unsourced statements (November 2012), Weasel-worded phrases (October 2014)
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 C3 November 2011Unsourced statements (November 2011, August 2013, May 2017)
LaniusMid Start1 February 2007Unsourced statements (February 2007)
LapwingMid C1 April 2008Unsourced statements (April 2008)
Large-billed reed warblerLow C1 April 2017Dead external links (April 2017)
Large-tailed nightjarLow Stub1 July 2014Unsourced statements (July 2014)
LarkMid Start1 May 2014In-text citations lacking (May 2014)
Lars Jonsson (illustrator)Low Stub1 August 2008Incomplete lists (August 2008)
Laughing kookaburraLow B1 March 2012References needed (March 2012)
Laurel pigeonLow Start1 February 2017References needed (February 2017)
LavocatavisLow Stub1 July 2013Expansion needed (July 2013)
Laysan albatrossLow B3 March 2011Detailed references needed, Unsourced statements (March 2011), Vague or ambiguous time (March 2011)
Laysan railLow C1 June 2010Unsourced statements (June 2010)
Lear's macawLow Start2 August 2015Vague or ambiguous time (August 2015), Unsourced statements (August 2015)
Least aukletLow Start1 May 2012Clarification needed (May 2012)
LeptopogonMid Stub1 November 2013Sources lacking (November 2013)
Lesser cuckooLow Stub1 September 2015Unsourced statements (September 2015)
Lesser fish eagleLow C1 September 2014Unsourced statements (September 2014)
Lesser floricanLow Stub2 Citation with bare URL, Citation lacking title
Lesser kestrelLow Start1 CS1 errors: external links
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 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 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)
Liberty ParkLow Start1 Reference errors
Light level geolocatorLow Start1 October 2016Unsourced statements (October 2016)
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 Reference errors
List of Columbidae generaLow List1 November 2010Factual verification needed (November 2010)
List of Corvus speciesLow List1 June 2011References needed (June 2011)
List of Important Bird Areas in the United KingdomLow List1 August 2008Incomplete lists (August 2008)
List of Late Quaternary prehistoric bird speciesLow C4 January 2008Factual verification needed (January 2008, September 2008), References needed (January 2016), In-text citations lacking (January 2016)
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 Suliformes by populationUnknown 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 U.S. state birdsLow List1 CS1 errors: external links
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 (April 2013)
List of birds displaying homosexual behaviorLow List1 January 2013Dead external links (January 2013)
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 British ColumbiaLow List1 September 2014References needed (September 2014)
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 EcuadorLow List1 Citation with accessdate and no URL
List of birds of IndiaLow List1 September 2016Unsourced statements (September 2016)
List of birds of KarnatakaLow List1 October 2012Reference cleanup (October 2012)
List of birds of King Island (Tasmania)Low List3 October 2011References needed (November 2011), Orphaned (October 2011), Unsourced statements (July 2015)
List of birds of LaosLow List1 August 2008References needed (August 2008)
List of birds of MississippiLow List1 October 2016References needed (October 2016)
List of birds of North America (Accipitriformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Anseriformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Apodiformes)Low List2 July 2012Unsourced statements (July 2012), Introduction cleanup (May 2017)
List of birds of North America (Caprimulgiformes)Low List2 March 2013Sources lacking (March 2013), Introduction cleanup (May 2017)
List of birds of North America (Charadriiformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Columbiformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Coraciiformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Cuculiformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Falconiformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Galliiformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Gruiformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Passeriformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Pelicaniformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Piciiformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Psittaciformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Strigiformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Suliformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (Tinamiformes)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of North America (other orders)Low List1 May 2017Introduction cleanup (May 2017)
List of birds of PalestineLow List2 September 2014Orphaned (September 2014), Reference errors
List of birds of PortugalLow List1 November 2014Clarification needed (November 2014)
List of birds of South AmericaLow List1 May 2017Unreviewed new articles (May 2017)
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 List2 Citation lacking title, Web citation with no URL
List of birds of São Tomé and PríncipeLow List1 October 2010Dead external links (October 2010)
List of birds of TajikistanLow List2 April 2008Unsourced statements (April 2008), Dead external links (June 2017)
List of birds of Tamil NaduLow List1 February 2014Unsourced statements (February 2014)
List of birds of TasmaniaLow FL1 Reference errors
List of birds of UgandaLow List1 April 2017References needed (April 2017)
List of birds of ViequesLow FL1 July 2010In-text citations lacking (July 2010)
List of birds of the ComorosLow List1 March 2010Unsourced statements (March 2010)
List of birds of the Falkland IslandsLow List1 October 2016References needed (October 2016)
List of birds of the Madrean Sky IslandsLow List2 October 2009Sources lacking (October 2009), Orphaned (September 2014)
List of birds of the Marshall IslandsLow List1 April 2017Rewrite needed (April 2017)
List of birds of the Netherlands AntillesLow List1 September 2014Orphaned (September 2014)
List of birds of the Virgin IslandsLow List1 September 2014Orphaned (September 2014)
List of birds of the worldMid List1 May 2015Incomplete lists (May 2015)
List of birdwatchersLow List2 August 2008Unsourced statements (December 2009), Incomplete lists (August 2008)
List of brood parasitic passerinesLow List2 April 2016References needed (May 2016), Orphaned (April 2016)
List of chicken breedsMid List1 Reference errors
List of duck breedsLow List2 CS1 errors: external links, Reference errors
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 southern AfricaLow List1 December 2007Sources lacking (December 2007)
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 List2 July 2011References needed (July 2011), Factual verification needed (May 2012)
List of fictional ducksLow List2 December 2010References needed (December 2010), Unsourced statements (January 2015)
List of fossil bird generaLow List2 Citation with accessdate and no URL, Reference errors
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 kakapoLow List1 January 2017Unsourced statements (January 2017)
List of largest birdsLow List2 March 2016Dead external links (March 2016), Unsourced statements (May 2016)
List of macawsLow List1 Reference errors
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 ornithology awardsLow List1 February 2011Incomplete lists (February 2011)
List of prionsLow List1 June 2010Orphaned (June 2010)
List of recently extinct bird speciesHigh List2 October 2007Factual verification needed (October 2007, January 2010)
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)
Little Desert National ParkLow Start1 January 2008References needed (January 2008)
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 Start1 March 2014Unsourced statements (March 2014)
Little ravenLow C2 January 2015Unsourced statements (February 2015, January 2015)
Liver birdLow Start3 June 2011References needed (September 2012), Unsourced statements (June 2011, May 2017)
Lizard buzzardLow Stub1 Citation with accessdate and no URL
LocustellidaeHigh Stub1 May 2017Dead external links (May 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-billed thrasherLow GA1 May 2017Dead external links (May 2017)
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 B2 August 2009Factual verification needed (August 2009), Unsourced statements (September 2015)
Lord Derby's parakeetMid Stub1 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)
LoriinaeLow Stub1 December 2012Sources lacking (December 2012)
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 C2 February 2011Unsourced statements (February 2011, March 2017)
LudiortyxLow Stub3 January 2013Expert attention needed (January 2013), Accuracy disputes (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)
Maatsuyker IslandLow Start1 CS1 errors: external links
Maatsuyker IslandsLow B1 CS1 errors: external links
MacawMid C1 November 2010Unsourced statements (November 2010)
MachaerirhynchusLow Stub1 October 2016Sources lacking (October 2016)
MachaeropterusMid Stub1 April 2010Sources lacking (April 2010)
Macquarie shagLow Start1 April 2011Unsourced statements (April 2011)
Madagascan fish eagleLow Start1 May 2011Page number citations needed (May 2011)
Madhu Road National ParkLow Start1 May 2017Dead external links (May 2017)
MagnetoreceptionLow C1 October 2012Unsourced statements (October 2012)
Magnificent frigatebirdLow Start1 June 2017Unsourced statements (June 2017)
Magnificent riflebirdLow Stub2 April 2016Unsourced statements (April 2016), References needed (April 2016)
MagpieMid Start2 January 2017Unsourced statements (January 2017), Weasel-worded phrases (January 2017)
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)
Malagasy pond heronLow C1 December 2016Reference cleanup (December 2016)
Malagasy warblerMid Start1 May 2017Dead external links (May 2017)
Malayan peacock-pheasantLow Stub1 May 2009Factual verification needed (May 2009)
Malcolm OgilvieLow Start1 August 2008Incomplete lists (August 2008)
MalimbusMid Stub1 February 2010Sources lacking (February 2010)
MallardLow B2 September 2014Failed verification (September 2014), Reference errors
Mallee emu-wrenLow Start3 August 2015In-text citations lacking (August 2015), Reference cleanup (August 2015), References lacking (August 2015)
MancallinaeLow Start1 February 2007Unsourced statements (February 2007)
Manchurian bush warblerLow Stub1 May 2017Wikilinks needed (May 2017)
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 Start2 July 2010Expansion needed (July 2010), Reference errors
Manomet, Inc.Low Stub1 URL error
Manu parrotletLow Start4 December 2008Unsourced statements (December 2008, January 2014), Style editing needed (May 2010), Weasel-worded phrases (January 2014)
Many-banded aracariLow Stub1 June 2017Dead external links (June 2017)
MaransLow Start1 August 2014Expansion needed (August 2014)
Marbled murreletLow C2 February 2017Unsourced statements (February 2017), Dead external links (June 2017)
Marc Athanase Parfait Œillet des MursLow Start1 Citation lacking title
March of the PenguinsMid B1 June 2017Dead external links (June 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 (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 Stub1 Citation lacking title
Marquesan kingfisherLow Stub1 March 2016Unsourced statements (March 2016)
Marquesan swiftletLow Stub1 June 2017Dead external links (June 2017)
Marquesas swamphenLow Stub1 February 2012Unsourced statements (February 2012)
Martin GarnerLow Stub1 August 2008Unsourced statements (August 2008)
Marvellous spatuletailLow Stub1 November 2012Unsourced statements (November 2012)
Masked crimson tanagerLow Start2 June 2011Unsourced statements (June 2011), CS1 errors: chapter ignored
Masked lapwingLow Start1 May 2010References needed (May 2010)
Masthead IslandLow C1 June 2017Dead external links (June 2017)
Mata do Passarinho ReserveLow Start1 Coordinates needed
Matsue Vogel ParkLow Stub1 December 2009Sources lacking (December 2009)
Matteo BotteriLow Stub1 December 2009Sources lacking (December 2009)
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)
McCormick IslandMid Start1 May 2008In-text citations lacking (May 2008)
Mediterranean flycatcherLow Stub2 Web citation with no URL, Citation with accessdate and no URL
Medium tree finchLow Start1 May 2009Unsourced statements (May 2009)
MegadyptesMid Stub1 December 2009Sources lacking (December 2009)
MegapodeMid Start1 Citation with accessdate and no URL
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)
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 (pigeon)Low Stub1 March 2017Wikilinks needed (March 2017)
Merlin (bird)Low C2 October 2009Unsourced statements (October 2009), CS1 errors: dates
Mews (falconry)Low Stub1 December 2013Sources lacking (December 2013)
Michael Clarke (ornithologist)Low Stub1 February 2010BLP articles lacking sources (February 2010)
Michael RankLow Stub1 April 2015Orphaned (April 2015)
Michale FeeLow Stub1 February 2013BLP articles lacking sources (February 2013)
Michele RaffinLow Stub1 February 2015Orphaned (February 2015)
Migratory Bird TreatyHigh Start1 August 2016References needed (August 2016)
Migratory Bird Treaty Act of 1918Low Start2 March 2015Unsourced statements (March 2015), Vague or ambiguous time (March 2015)
Miklos UdvardyLow Start3 February 2016References needed (February 2016), Notability unclear (February 2016), Dead external links (May 2017)
Military macawMid C4 February 2017References needed (February 2017, May 2017), External link cleanup (May 2017), Spam cleanup (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)
Mocking cliff chatLow Start1 April 2017Links needing disambiguation (April 2017)
MockingbirdMid Start1 June 2017References needed (June 2017)
Modern Game fowlLow Start1 June 2012References needed (June 2012)
Monk parakeetMid 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)
Moreton BayLow B2 March 2009Unsourced statements (March 2009), Dead external links (October 2013)
Moriche orioleLow Start1 April 2008Factual verification needed (April 2008)
Moseøya Bird SanctuaryLow Stub1 Coordinates needed
MotutakapuLow Stub1 January 2015Orphaned (January 2015)
Mount KumgangLow C3 2002Potentially dated statements (2002), Unsourced statements (April 2010), Expansion needed (July 2013)
Mountain hawk-eagleLow Start1 Citation lacking title
Mountain ploverLow Start1 March 2016In-text citations lacking (March 2016)
Mountain scops owlLow Stub1 May 2014Clarification needed (May 2014)
MousebirdHigh Start2 January 2015Unsourced statements (January 2015, March 2015)
Mousehole Wild Bird Hospital and SanctuaryLow Stub1 March 2009Sources lacking (March 2009)
Moustached kingfisherLow Stub1 URL error
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)
Murramarang National ParkLow Stub1 Citation with accessdate and no URL
Muscle protractor pterygoidei et quadratiLow Stub1 March 2010Sources lacking (March 2010)
Musk lorikeetMid Stub1 November 2010Unsourced statements (November 2010)
Mute swanLow B4 September 2011Detailed references needed, Unsourced statements (September 2011, December 2012, October 2016)
MyadestesMid Stub1 December 2009Sources lacking (December 2009)
MynaMid Start1 June 2011References needed (June 2011)
MyrmecizaMid Stub1 November 2010Sources lacking (November 2010)
MyrmotheraMid Stub1 April 2010Sources lacking (April 2010)
N'kisiLow Start1 December 2016Dead external links (December 2016)
Nacunda nighthawkLow Start1 September 2015Unsourced statements (September 2015)
Najafgarh drain bird sanctuaryLow C1 Coordinates needed
NanantiusMid Start1 February 2007Unsourced statements (February 2007)
Nanday parakeetMid Start1 December 2007In-text citations lacking (December 2007)
Nankin bantamLow Start1 May 2017Unsourced statements (May 2017)
Narganá Wilderness AreaLow Stub1 Coordinates needed
Narran WetlandsLow Start1 September 2014Vague or ambiguous time (September 2014)
National Audubon SocietyMid Start2 October 2012Clarification needed (October 2012), Unsourced statements (October 2016)
National AviaryMid C1 July 2012Unsourced statements (July 2012)
Near passerineLow Stub3 February 2007Unsourced statements (July 2008, February 2007), References needed (June 2012)
Negros bleeding-heartLow Stub1 May 2017Unsourced statements (May 2017)
NeodrepanisMid Stub1 April 2010Sources lacking (April 2010)
NeogaeornisLow Start1 July 2008Factual verification needed (July 2008)
NeognathaeTop C1 January 2012Unsourced statements (January 2012)
NeomorphidaeMid Stub1 December 2009Sources lacking (December 2009)
NeopelmaMid Stub1 April 2010Sources lacking (April 2010)
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 boxLow Stub2 August 2010Unsourced statements (August 2010, March 2014)
Nest box cameraLow Stub2 February 2014References needed (February 2014), Unsourced statements (February 2014)
Nesting seasonLow Stub1 November 2013Sources lacking (November 2013)
New Caledonian crowLow Start1 August 2014Unsourced statements (August 2014)
New Caledonian lorikeetLow C2 November 2013Update needed (November 2013), In-text citations lacking (July 2015)
New Caledonian owlet-nightjarLow Start2 October 2013Unsourced statements (October 2013), Weasel-worded phrases (October 2013)
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 pigeonMid Start1 May 2009Factual verification needed (May 2009)
NidicolousLow Stub3 February 2010References needed (February 2010), Expert attention needed (March 2011)
Nigel CleereLow Stub2 December 2016Citation with accessdate and no URL, Expansion needed (December 2016)
Night heronMid Stub1 December 2009Sources lacking (December 2009)
Night parrotLow C1 Citation with accessdate and no URL
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 Start3 April 2014Unsourced statements (November 2015, October 2016), Page number citations needed (April 2014)
Nikolai ZarudnyLow Stub1 October 2011Unsourced statements (October 2011)
Nilgiri thrushLow Stub1 September 2015Expansion needed (September 2015)
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 C1 June 2016Orphaned (June 2016)
Noel LearmonthLow Stub1 February 2009References needed (February 2009)
Nordmann's greenshankLow Stub1 January 2008Factual verification needed (January 2008)
Norfolk IslandLow B6 2004Potentially dated statements (2004, 2010), Unsourced statements (February 2015, March 2015, June 2016), CS1 errors: external links
Norfolk starlingLow Start1 May 2017Unsourced statements (May 2017)
North American landbirds in BritainLow Stub1 August 2008Incomplete lists (August 2008)
North Island brown kiwiLow Start1 February 2008Unsourced statements (February 2008)
North Norfolk Coast Site of Special Scientific InterestMid FA1 September 2016Dead external links (September 2016)
North Warren RSPB reserveLow Start2 October 2010Expansion needed (January 2011), Dead external links (October 2010)
North West IslandLow Start1 May 2010Unsourced statements (May 2010)
Northern bald ibisLow FA1 August 2016Dead external links (August 2016)
Northern bobwhiteLow Start1 May 2014References needed (May 2014)
Northern crested caracaraLow C2 January 2011Unsourced statements (January 2011), Dead external links (August 2014)
Northern flickerLow Start1 Citation with accessdate and no URL
Northern gannetLow B1 September 2016Unsourced statements (September 2016)
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 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)
Nun pigeonLow Start1 February 2017Links needing disambiguation (February 2017)
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)
Ochre-backed woodpeckerLow Stub1 Citation with accessdate and no URL
Ochre-marked parakeetLow Start1 August 2012References needed (August 2012)
OchthoecaMid Stub2 November 2010Update needed (November 2010), Sources lacking (April 2016)
OdontopterygiformesLow Stub1 March 2013Sources lacking (March 2013)
OdontopteryxLow C3 August 2009In-text citations lacking (August 2009), Factual verification needed (August 2009, September 2009)
OdontornithesLow Stub1 February 2007Unsourced statements (February 2007)
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 (May 2017)
Olfactory navigationLow Start1 February 2010Unsourced statements (February 2010)
Olivaceous woodcreeperMid Start1 CS1 errors: external links
Olive-throated parakeetLow Start1 January 2016Unsourced statements (January 2016)
OlomaʻoLow Start1 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 Stub2 March 2011Update needed (March 2011), References needed (February 2013)
Orange chatLow Start1 August 2014Clarification needed (August 2014)
Orange-bellied parrotLow C1 May 2012Unsourced statements (May 2012)
Orange-billed nightingale-thrushLow Stub1 CS1 errors: external links
Orange-cheeked waxbillLow Start1 November 2010References needed (November 2010)
Orange-chinned parakeetLow Stub2 June 2008Unsourced statements (June 2008), CS1 errors: external links
OreolaisMid Stub1 September 2015Orphaned (September 2015)
Organic egg productionLow Start3 February 2011References needed (April 2011, March 2015), Limited geographic scope (February 2011)
Oriental scops owlLow Stub1 March 2017Unsourced statements (March 2017)
Origin of avian flightMid Start2 April 2014In-text citations lacking (April 2014), Clarification needed (April 2014)
Origin of birdsHigh B1 Detailed references needed
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)
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)
Owl of AthenaLow Start1 December 2016Disputed statements (December 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 C7 April 2015Unsourced statements (September 2015, May 2016, April 2015, June 2015, April 2017), Cleanup needed (January 2016, January 2016)
Painted buntingLow Start1 CS1 errors: external links
Painted sandgrouseLow Stub1 May 2017Reliable references lacking (May 2017)
Pakistani HighflyerLow Stub1 January 2016References needed (January 2016)
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 March 2015In-text citations lacking (March 2015)
Palawan peacock-pheasantLow Start2 February 2007Unsourced statements (February 2007), References needed (August 2013)
Palawan swiftletLow Stub1 May 2013Dead external links (May 2013)
Pale flycatcherLow Stub1 Detailed references needed
Palestine sunbirdLow Start2 August 2015Dead external links (August 2015, April 2017)
Palila v. Hawaii Department of Land and Natural ResourcesMid C1 August 2010Unsourced statements (August 2010)
PalintropusLow Stub1 September 2011Factual verification needed (September 2011)
Pallid harrierLow Start1 December 2016Unsourced statements (December 2016)
Pallid scops owlLow Start1 May 2014Failed verification (May 2014)
Palm cockatooMid C3 April 2010Unsourced statements (April 2010, April 2016), Disputed statements (January 2014)
Palm tanagerLow Stub1 August 2011In-text citations lacking (August 2011)
Pan-African Ornithological CongressLow Start1 February 2014References needed (February 2014)
Papuan frogmouthLow Start1 January 2015Unsourced statements (January 2015)
Papuan hawk-owlLow Stub1 June 2010References needed (June 2010)
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 Stub2 January 2009References needed (January 2009), Unsourced statements (May 2017)
ParaphysornisLow Stub1 August 2012Expansion needed (August 2012)
ParaptenodytesLow Stub1 September 2011Unsourced statements (September 2011)
ParrotTop B1 March 2017Dead external links (March 2017)
Parrot harnessLow Stub3 March 2009Cleanup needed (July 2009, July 2009), Weasel-worded phrases (March 2009)
Parrot trainingLow Start3 August 2009References needed (August 2009), Unsourced statements (November 2010, February 2011)
ParrotletMid Start5 January 2010Expert attention needed (January 2010), Unsourced statements (May 2010), References needed (September 2014), Expansion needed (July 2015)
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
PasserinaMid Stub1 December 2009Sources lacking (December 2009)
PasserineTop B2 January 2008Factual verification needed (January 2008, November 2013)
Pastured poultryLow Start3 April 2015References needed (April 2015), Unsourced statements (January 2016), Limited geographic scope (January 2017)
PatagioenasMid Start1 November 2009In-text citations lacking (November 2009)
Patagonia picnic table effectLow Stub1 February 2017Orphaned (February 2017)
PatagornisLow Stub1 October 2009Sources lacking (October 2009)
PeafowlMid C1 April 2016Unsourced statements (April 2016)
Pearly-eyed thrasherMid Start1 February 2012Introduction cleanup (February 2012)
Pebble IslandLow Stub1 September 2010Unsourced statements (September 2010)
Pechora pipitLow Start1 December 2009References needed (December 2009)
Pecking orderLow Start2 June 2013Unsourced statements (June 2013), Reliable references lacking (August 2016)
Pedra Branca (Tasmania)Low Start2 July 2015References needed (July 2015), CS1 errors: external links
Peg-billed finchMid Start1 August 2009In-text citations lacking (August 2009)
Pelagic cormorantLow Start1 September 2009Factual verification needed (September 2009)
PelagornithidaeMid B2 September 2009Factual verification needed (September 2009), Unsourced statements (March 2017)
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 (October 2010)
PercnostolaMid Stub1 April 2010Sources lacking (April 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 DunneLow 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)
Petros (pelican)Low Stub1 July 2010Unsourced statements (July 2010)
PeweeMid Stub1 December 2009Sources lacking (December 2009)
PfeilstorchLow Stub1 March 2007Unsourced statements (March 2007)
PhaenicophilidaeUnknown Unassessed1 April 2017References needed (April 2017)
PhaenicophilusMid Stub1 February 2010Sources lacking (February 2010)
PhainopeplaMid Start1 CS1 errors: external links
PhalaropeMid Start1 December 2015Expansion needed (December 2015)
Pheasant-tailed jacanaMid Start1 May 2014Unsourced statements (May 2014)
Philip HollomLow Stub1 August 2008Incomplete lists (August 2008)
Philippine creeperHigh Start2 June 2008References needed (June 2008), Unsourced statements (June 2008)
Philippine eagle-owlLow Start1 May 2014Clarification needed (May 2014)
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)
PhylloscopidaeHigh Stub1 September 2009Factual verification needed (September 2009)
PhysornisLow Stub1 August 2012Expansion needed (August 2012)
PiciformesTop Start1 January 2008Unsourced statements (January 2008)
PiculetMid Start1 February 2011Unsourced statements (February 2011)
Pied butcherbirdMid C2 December 2011Unsourced statements (December 2011), URL error
Pied mynaLow Start1 December 2016Unsourced statements (December 2016)
Pied ravenLow C4 February 2007References needed (December 2009), Factual verification needed (August 2007), Unsourced statements (February 2007, April 2012)
Pierre (penguin)Low Start1 December 2011Weasel-worded phrases (December 2011)
Pigeon intelligenceLow Start1 April 2010Unsourced statements (April 2010)
Pigeon racingLow B6 March 2008Unsourced statements (March 2008, May 2008, October 2012, May 2017), Citation with bare URL, Citation lacking title
PiksiLow C1 November 2016Unsourced statements (November 2016)
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)
Pink pigeonMid Start3 February 2016Unsourced statements (February 2016), CS1 errors: dates, In-text citations lacking (February 2016)
Pink-eared duckLow Start1 May 2014Unsourced statements (May 2014)
Piping ploverLow Start3 September 2011Unsourced statements (September 2011), Web citation with no URL, Dead external links (November 2014)
PipitMid C1 January 2012Unsourced statements (January 2012)
PithysMid Stub1 April 2010Sources lacking (April 2010)
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)
PlatycercinaeLow Stub1 December 2012Sources lacking (December 2012)
PlumageHigh Start4 September 2010Unsourced statements (January 2012, September 2010), Factual verification needed (September 2010), Citation with accessdate and no URL
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)
Poltava (chicken)Low Start1 December 2014Orphaned (December 2014)
Polydipsia in birdsLow Start1 July 2012Reliable references lacking (July 2012)
Poor Knights IslandsLow Start1 September 2015Unsourced statements (September 2015)
PoulardeUnknown Stub1 March 2017Expansion needed (March 2017)
Poultry gritLow Stub1 December 2010Sources lacking (December 2010)
Powerful owlLow C1 December 2016Unsourced statements (December 2016)
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 (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)
ProcellariiformesTop GA2 August 2016CS1 errors: dates, Dead external links (August 2016)
Proventricular dilatation diseaseLow Start2 January 2015Unsourced statements (January 2015), References needed (May 2017)
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)
PsittacusMid C1 March 2014Unsourced statements (March 2014)
PsittiparusMid Stub3 August 2013References needed (August 2013), Sources lacking (August 2013), In-text citations lacking (August 2013)
PteroptochosMid Stub1 April 2010Sources lacking (April 2010)
PuckapunyalLow Start1 July 2011Unsourced statements (July 2011)
Puerto Rican spindalisLow C2 October 2007Unsourced statements (October 2007), Dead external links (July 2014)
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-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)
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 Start1 December 2016Conflict of interest (December 2016)
RamsayornisMid Stub1 October 2009Sources lacking (October 2009)
Raptor Education GroupLow Start2 June 2013Coordinates needed, Unsourced statements (June 2013)
Raptor Resource ProjectLow Start1 September 2014Unsourced statements (September 2014)
Raptor rehabilitationLow Stub1 November 2009Sources lacking (November 2009)
Raptor watchpointLow Stub2 February 2009Orphaned (February 2009), Sources lacking (December 2009)
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 in WinterLow Start1 Citation with accessdate and no URL
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)
Recipients of the RSPB MedalLow List1 May 2017Unsourced statements (May 2017)
Red Sea cliff swallowLow Stub1 December 2007Factual verification needed (December 2007)
Red fox sparrowLow Start1 July 2007Factual verification needed (July 2007)
Red grouseLow C1 February 2012Unsourced statements (February 2012)
Red kiteMid C2 May 2017CS1 errors: external links, Dead external links (May 2017)
Red knotLow B2 April 2012Unsourced statements (April 2012), CS1 errors: external links
Red siskinLow Start2 March 2012Unsourced statements (September 2013), In-text citations lacking (March 2012)
Red-backed mousebirdLow Stub1 February 2017Clarification needed (February 2017)
Red-bellied macawMid Start1 November 2012Unsourced statements (November 2012)
Red-breasted sapsuckerLow Start2 Citation with bare URL, Citation lacking title
Red-cheeked cordon-bleuLow Start1 Reference errors
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-fronted warblerMid Stub1 October 2010In-text citations lacking (October 2010)
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 crakeMid Start1 January 2010Factual verification needed (January 2010)
Red-rumped swallowLow Start1 Citation lacking title
Red-shouldered macawMid Start1 November 2012Unsourced statements (November 2012)
Red-tailed amazonMid Start3 January 2009In-text citations lacking (January 2009), Unsourced statements (January 2009, September 2014)
Red-tailed hawkLow GA1 May 2014Unsourced statements (May 2014)
Red-throated caracaraMid Stub1 February 2015Dead external links (February 2015)
Red-throated wryneckLow Stub1 October 2012References needed (October 2012)
Red-wattled lapwingLow Start1 May 2016Unsourced statements (May 2016)
Red-winged blackbirdLow B1 December 2013Unsourced statements (December 2013)
Red-winged parrotLow Start1 April 2008Unsourced statements (April 2008)
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)
ReinwardtoenaMid Stub1 December 2009Sources lacking (December 2009)
Release doveLow Start3 October 2010Unsourced statements (May 2013), Dead external links (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)
RhegmatorhinaMid Stub1 April 2010Sources lacking (April 2010)
Rhinoceros hornbillLow Start1 November 2016References needed (November 2016)
Rhode Island RedLow Start3 October 2009References needed (October 2009), Unsourced statements (October 2009), Clarification needed (October 2009)
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 Start3 December 2014Unsourced statements (December 2014, April 2015, June 2016)
Richard Roy MaconachieLow Stub1 February 2013In-text citations lacking (February 2013)
Richard ZannLow Stub2 February 2009Reference cleanup (September 2009), Incomplete lists (February 2009)
Ringed kingfisherLow Stub1 November 2010Unsourced statements (November 2010)
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)
Robin-chatMid Stub1 February 2007Unsourced statements (February 2007)
RobopLow Stub1 July 2014Unsourced statements (July 2014)
Rock bush quailLow Start1 October 2010Dead external links (October 2010)
Rock doveLow B2 June 2013Unsourced statements (June 2013), Style editing needed (May 2016)
Rocket netLow Stub1 September 2013References needed (September 2013)
Rodrigues night heronLow Start1 January 2012In-text citations lacking (January 2012)
Rodrigues warblerLow Stub2 November 2013Detailed references needed, Unsourced statements (November 2013)
Roger Tory PetersonHigh Start1 June 2016Dead external links (June 2016)
Rokel RiverLow Start1 July 2013Clarification needed (July 2013)
Rondônia bushbirdLow Stub1 Citation with accessdate and no URL
Rose-ringed parakeetLow C3 August 2007Factual verification needed (August 2007), Unsourced statements (September 2009, January 2014)
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 May 2011Unsourced statements (November 2011, December 2011, May 2011, February 2015, August 2016), Potentially dated statements (June 2016), Expansion needed (June 2016)
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)
Royal Australasian Ornithologists UnionLow B1 November 2010In-text citations lacking (November 2010)
Royal Palm turkeyLow Stub1 October 2010Dead external links (October 2010)
Royal Society for the Protection of BirdsMid C2 August 2008Incomplete lists (August 2008), Weasel-worded phrases (October 2013)
Royal ternLow C1 CS1 errors: external links
Ruby-throated hummingbirdLow B1 March 2016Unsourced statements (March 2016)
Ruddy duckLow Start1 November 2010References needed (November 2010)
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 (May 2014)
Rufous-breasted hermitLow Start1 April 2009In-text citations lacking (April 2009)
Rufous-chested flycatcherLow Stub1 URL error
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 May 2017Reliable references lacking (May 2017)
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)
Rusty imperial pigeonLow Stub1 November 2015Orphaned (November 2015)
Réunion bulbulLow Stub1 June 2009Factual verification needed (June 2009)
Réunion grey white-eyeLow Start2 October 2008Unsourced statements (October 2008), References needed (April 2010)
Réunion owlLow Start1 April 2012Unsourced statements (April 2012)
Réunion parakeetLow Start1 July 2015Merge needed (July 2015)
Rüppell's vultureLow Start2 February 2014Unsourced statements (February 2014), CS1 errors: dates
SS MakamboLow Start1 Coordinates needed
Saddle-billed storkLow Start1 May 2013Disputed statements (May 2013)
Saint Helena hoopoeLow Start1 March 2016Unsourced statements (March 2016)
Saint Lucia amazonLow Stub2 July 2008Unsourced statements (July 2008), References needed (November 2014)
Saipan Jungle FowlLow Start1 June 2011References needed (June 2011)
Saker falconLow Start5 November 2012Unsourced statements (November 2012), Citation with accessdate and no URL, 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)
Salmon-crested cockatooMid Start1 May 2010In-text citations lacking (May 2010)
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)
Sam the SeagullLow Stub1 August 2015Orphaned (August 2015)
Samar hornbillLow Stub2 May 2014Detailed references needed, Vague or ambiguous time (May 2014)
Samuel Washington WoodhouseLow Stub1 December 2009References needed (December 2009)
Sand larkLow Start1 January 2017Links needing disambiguation (January 2017)
Sanford's bowerbirdLow Stub1 December 2009Sources lacking (December 2009)
Sanford's sea eagleLow Start1 May 2011Page number citations needed (May 2011)
Santa Marta tinamouLow Stub1 December 2013Reference cleanup (December 2013)
Sao Francisco black tyrantLow Stub1 November 2013Unsourced statements (November 2013)
Savanna hawkLow Start1 March 2011In-text citations lacking (March 2011)
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), Reliable references lacking (January 2013)
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
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 B3 June 2009Unsourced statements (June 2009, August 2009, March 2016)
Sedge warblerLow Start1 January 2011Unsourced statements (January 2011)
Sedge wrenLow Start1 May 2011In-text citations lacking (May 2011)
SeedeaterLow Start1 December 2007Sources lacking (December 2007)
SeicercusMid Stub1 December 2016Links needing disambiguation (December 2016)
SeptencoraciasLow C1 November 2016References needed (November 2016)
SericornisMid Stub1 February 2008Factual verification needed (February 2008)
SericulusMid Stub1 December 2009Sources lacking (December 2009)
Serra finchLow Stub1 November 2013Unsourced statements (November 2013)
Sespe Condor SanctuaryLow Stub2 Citation with bare URL, Citation lacking title
Sex-linked Clearbody budgerigar mutationLow C1 March 2010Dead external links (March 2010)
Seymore D. FairLow Start1 May 2017Style editing needed (May 2017)
Shaheen falconLow Start1 April 2014Unsourced statements (April 2014)
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 Start1 Citation with accessdate and no URL
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)
ShoebillHigh C2 February 2010Unsourced statements (February 2010, August 2016)
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 (October 2010)
Siau scops owlLow Stub1 May 2014Vague or ambiguous time (May 2014)
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 (November 2016)
SicalisMid Stub1 February 2010Sources lacking (February 2010)
Sideroxylon grandiflorumLow Start2 January 2008Unsourced statements (January 2008, September 2010)
Sidmouth RockLow Stub1 CS1 errors: external links
Sidney Dillon RipleyMid Start1 December 2013Unsourced statements (December 2013)
Silver tealLow Stub1 November 2010Unsourced statements (November 2010)
SinosuthoraMid Stub3 August 2013References needed (August 2013), Sources lacking (August 2013), In-text citations lacking (August 2013)
Sir Joseph Banks GroupLow Start1 October 2014Unsourced statements (October 2014)
Sirocco (parrot)Low C2 August 2016References needed (August 2016), Dead external links (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
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)
Smoky robinLow Stub1 URL error
SnipeLow Start1 January 2017Unsourced statements (January 2017)
Snow buntingLow Start2 August 2016Citation with accessdate and no URL, Unsourced statements (August 2016)
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 ploverLow Start1 September 2008References needed (September 2008)
Society finchLow Start1 July 2011Unsourced statements (July 2011)
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 Start2 February 2007Unsourced statements (February 2007, May 2017)
Sooty fox sparrowLow Start1 July 2007Factual verification needed (July 2007)
Sooty shearwaterLow Start1 June 2014Clarification needed (June 2014)
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 Australian OrnithologistLow Stub1 June 2016Sources lacking (June 2016)
South Georgia pintailLow B1 Reference errors
South Georgia pipitLow Stub1 January 2017Unsourced statements (January 2017)
South Island takahēLow B2 October 2012Unsourced statements (October 2012), 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 (October 2010), CS1 errors: dates
Southern boobookLow Start1 January 2017Unsourced statements (January 2017)
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)
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 C1 May 2012Clarification needed (May 2012)
Special Protection AreaLow Stub1 February 2010Clarification needed (February 2010)
Speckle-throated woodpeckerLow Stub2 October 2010Dead external links (October 2010, January 2017)
Speckled chachalacaLow Stub1 October 2013References needed (October 2013)
SpeiropsMid Stub1 January 2010Sources lacking (January 2010)
SpilopeliaMid Stub1 January 2017Sources lacking (January 2017)
Spix's guanLow Stub1 October 2010Dead external links (October 2010)
Spix's macawMid B2 January 2014Unsourced statements (January 2014), CS1 errors: dates
SpizaetusMid Stub1 September 2008Factual verification needed (September 2008)
SpizellaMid Stub1 December 2009Sources lacking (December 2009)
Spoon-billed sandpiperMid Start1 April 2012Unsourced statements (April 2012)
SpoonbillMid Start1 December 2011References needed (December 2011)
SporopipesMid Stub1 February 2010Sources lacking (February 2010)
Spot-breasted laughingthrushLow Stub1 June 2013References needed (June 2013)
Spotted antbirdLow Stub1 CS1 errors: external links
Spotted flycatcherLow Start2 Web citation with no URL, Citation with accessdate and no URL
Spotted forktailLow Stub1 May 2017Reliable references lacking (May 2017)
Spotted nightjarLow C1 November 2015Introduction cleanup (November 2015)
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)
Squab as foodMid B4 July 2011Page number citations needed (July 2011), Vague or ambiguous geographic scope (July 2011), Citation with accessdate and no URL, Unsourced statements (April 2016)
Squirrel baffleLow Stub2 March 2009Sources lacking (March 2009), Orphaned (March 2010)
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 C2 May 2016Dead external links (May 2016), Too long (May 2016)
Steamer duckMid Stub1 January 2010Unsourced statements (January 2010)
Steinbach's canasteroLow Stub1 August 2012References needed (August 2012)
Steller's jayLow Start1 June 2013References needed (June 2013)
Stephen MarchantLow Stub1 February 2009In-text citations lacking (February 2009)
Stierling's wren-warblerLow Stub1 February 2014Sources lacking (February 2014)
Stiffkey FenLow Start1 Web citation with no URL
Stilt (journal)Low Stub1 July 2015References needed (July 2015)
StintMid Start2 January 2008Factual verification needed (January 2008), Dead external links (July 2016)
Storrs L. OlsonLow Start1 2009Potentially dated statements (2009)
Streak-breasted bulbulLow Stub1 June 2009Factual verification needed (June 2009)
Stripe-tailed hummingbirdLow Stub2 January 2012Unsourced statements (January 2012), CS1 errors: external links
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 Start2 March 2017Detailed references needed, Dead external links (March 2017)
SulmtalerLow Stub1 August 2014Unsourced statements (August 2014)
Sumatra chickenLow Stub1 February 2014Unsourced statements (February 2014)
Superb lyrebirdLow Start1 Citation with accessdate and no URL
Superb parrotLow C1 March 2009Unsourced statements (March 2009)
Supraorbital glandLow Stub1 September 2010In-text citations lacking (September 2010)
Sussex chickenLow Start2 August 2014Unsourced statements (August 2014), References needed (August 2014)
SuthoraMid Stub1 August 2013References needed (August 2013)
SvarthönaLow Stub1 May 2016Orphaned (May 2016)
Sverdlovsk blue-gray mottle-headed pigeonLow Stub3 September 2009Sources lacking (December 2009), Introduction cleanup (September 2009), Wikilinks needed (December 2012)
SwanMid C6 December 2007Factual verification needed (December 2007), Unsourced statements (December 2007, March 2016), References needed (August 2011), External link cleanup (August 2016), Spam cleanup (August 2016)
Swan gooseLow Start1 May 2009Factual verification needed (May 2009)
SwiftHigh Start1 September 2016Unsourced statements (September 2016)
SwiftletLow C1 September 2016Unsourced statements (September 2016)
SynsacrumLow Stub1 July 2008Sources lacking (July 2008)
Syrian woodpeckerLow Start2 November 2015In-text citations lacking (November 2015), Introduction cleanup (November 2015)
Sørkapp Bird SanctuaryLow Stub1 Coordinates needed
T. J. RobertsLow Stub1 June 2010Orphaned (June 2010)
Tahiti sandpiperLow Start1 June 2014Weasel-worded phrases (June 2014)
Taiga bean gooseLow Start1 April 2011Expansion needed (April 2011)
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 nativehenLow C1 June 2009Unsourced statements (June 2009)
Tasmanian wedge-tailed eagleLow Start1 November 2010Unsourced statements (November 2010)
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 Start1 Citation with accessdate and no URL
TerenuraMid Stub1 April 2010Sources lacking (April 2010)
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 Start2 December 2010Unsourced statements (December 2010, December 2012)
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 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 Stub1 June 2017Dead external links (June 2017)
The Macmillan Field Guides to Bird IdentificationLow Stub1 July 2011Sources lacking (July 2011)
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 Subservient ChickenLow Start1 CS1 errors: external links
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 Start1 April 2015Unsourced statements (April 2015)
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 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 October 2010Dead external links (October 2010, November 2016)
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), References needed (June 2016)
ToucanHigh C1 CS1 errors: external links
TowerkillMid Start1 July 2016Unsourced statements (July 2016)
TragopanMid Stub1 September 2011References needed (September 2011)
Trap-liningLow Stub1 December 2014Weasel-worded phrases (December 2014)
Tree warblerMid Start1 April 2013Unsourced statements (April 2013)
TrichoglossusMid Start1 June 2009Expansion needed (June 2009)
Tricolored heronLow Start1 November 2010In-text citations lacking (November 2010)
Tristan albatrossMid Start4 October 2010Unsourced statements (March 2012), Dead external links (October 2010), Citation with accessdate and no URL, Clarification needed (April 2013)
TrochilinaeMid Start1 March 2007Sources lacking (March 2007)
Tromelin IslandLow C2 January 2017Unsourced statements (January 2017, May 2017)
Tropical Birdland, LeicestershireLow Stub1 November 2015Wikilinks needed (November 2015)
True owlHigh Start1 February 2017Unsourced statements (February 2017)
True parrotHigh Start2 January 2014References needed (January 2014), Template call duplicate arguments
Trumpeter finchLow Stub1 November 2011References needed (November 2011)
Tryon IslandLow C1 October 2010Dead external links (October 2010)
Tuamotu sandpiperLow B1 March 2008Factual verification needed (March 2008)
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 Stub2 October 2009Unsourced statements (October 2009), In-text citations lacking (October 2014)
Turkey vultureLow FA1 2015Potentially dated statements (2015)
TurturMid Stub1 December 2009Sources lacking (December 2009)
TurulLow Start1 April 2016Clarification needed (April 2016)
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)
Ukrainian SkycutterLow Stub3 January 2008References needed (January 2008), Unsourced statements (December 2010, February 2017)
Unadorned flycatcherLow Stub1 CS1 errors: external links
Undulated tinamouLow Start1 June 2010Unsourced statements (June 2010)
Up North CombineLow Stub1 February 2009Orphaned (February 2009)
Ural Striped-maned pigeonLow Stub4 December 2009Sources lacking (December 2009), Introduction cleanup (December 2012), 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
Vasa parrotMid Start1 October 2012Clarification needed (October 2012)
VegavisLow Start1 February 2009Unsourced statements (February 2009)
Velvet-fronted nuthatchLow Start1 March 2010In-text citations lacking (March 2010)
Verreaux's eagleLow Start1 CS1 errors: dates
Verreaux's eagle-owlLow Start1 CS1 errors: dates
ViduidaeHigh Start1 CS1 errors: external links
Vienna HighflyerLow Stub1 May 2014References needed (May 2014)
Viktor von Tschusi zu SchmidhoffenLow Start1 September 2011Unsourced statements (September 2011)
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)
Vulkathunha-Gammon Ranges National ParkLow B1 June 2016References needed (June 2016)
VultureHigh C2 July 2011Unsourced statements (July 2011, March 2017)
Vulturine guineafowlMid Start1 December 2010References needed (December 2010)
WWT Llanelli Wetlands CentreLow Stub1 December 2009Sources lacking (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 April 2012Unsourced statements (April 2012, May 2015), Clarification needed (September 2012)
Waterbird SocietyLow Stub1 June 2009Reliable references lacking (June 2009)
Waterfowl huntingLow C4 December 2010References needed (May 2011), Limited geographic scope (December 2010, April 2015), Vague or ambiguous geographic scope (February 2016)
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 C1 September 2010Dead external links (September 2010)
Well-bird examLow Stub1 December 2009Sources lacking (December 2009)
WelsummerLow Stub1 November 2016References needed (November 2016)
Weltvogelpark WalsrodeLow C1 July 2010Unsourced statements (July 2010)
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 marsh harrierLow Start2 December 2010References needed (December 2010), Unsourced statements (December 2010)
Western wood peweeLow Start1 August 2014Dead external links (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-browed robinLow Start1 URL error
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 (October 2013)
White-eyed parakeetMid Start3 October 2008Unsourced statements (October 2008, November 2014), Disputed statements (October 2010)
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-necked puffbirdLow Stub1 CS1 errors: external links
White-plumed honeyeaterLow C2 January 2017Unsourced statements (January 2017), References needed (January 2017)
White-rumped robinLow Start1 URL error
White-tailed eagleLow B3 May 2011Page number citations needed (May 2011), CS1 errors: external links, Unsourced statements (May 2017)
White-throated fantailLow Start1 April 2017Unsourced statements (April 2017)
White-throated needletailLow Stub1 June 2013Unsourced statements (June 2013)
White-winged duckLow Start1 August 2011Unsourced statements (August 2011)
White-winged juncoLow Stub1 April 2008Unsourced statements (April 2008)
White-winged robinLow Start1 URL error
White-winged scoterLow Start1 March 2009References needed (March 2009)
Whooper swanLow Start1 February 2013Unsourced statements (February 2013)
Whooping craneMid Start4 October 2009Unsourced statements (October 2009, January 2014), External link cleanup (March 2017), Spam cleanup (March 2017)
WigeonLow Stub1 November 2007Unsourced statements (November 2007)
Wild turkeyLow C3 January 2011Unsourced statements (January 2011, November 2015, November 2016)
Wildfowl & Wetlands TrustLow Start3 December 2012Potentially dated statements (December 2012), Expansion needed (December 2013), Unsourced statements (March 2016)
Wildlife Liaison OfficerLow Stub1 October 2011Orphaned (October 2011)
WilletLow Start3 January 2017Expert attention needed (January 2017), Update needed (January 2017)
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 Start1 Citation lacking title
Williamson's sapsuckerLow Start1 CS1 errors: external links
Willow titLow Start1 June 2016References needed (June 2016)
WingMid Start2 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 Start1 April 2009References needed (April 2009)
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)
Wood duckMid Start3 February 2011Unsourced statements (January 2012, February 2011), Clarification needed (May 2017)
Wood storkLow Start1 CS1 errors: external links
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 Birding CenterMid Stub1 January 2016Unsourced statements (January 2016)
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)
XipholenaMid Stub1 January 2010Sources lacking (January 2010)
Yellow-bellied chat-tyrantLow Stub1 August 2011In-text citations lacking (August 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-crested cockatooMid Start1 April 2015Unsourced statements (April 2015)
Yellow-crowned euphoniaLow Stub1 September 2014References needed (September 2014)
Yellow-eyed penguinMid Start1 Citation with accessdate and no URL
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 C2 January 2010In-text citations lacking (January 2010), Dead external links (October 2013)
Yellow-shouldered grassquitMid Stub1 November 2011Unsourced statements (November 2011)
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)
Ynys-hir RSPB reserveLow Start2 December 2013References needed (December 2013), Vague or ambiguous time (May 2016)
Yucatan vireoLow Stub2 Web citation with no URL, Citation with accessdate and no URL
Yucatan woodpeckerLow Start1 CS1 errors: external links
YungavolucrisMid Start1 February 2007Unsourced statements (February 2007)
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 Stub2 December 2013Orphaned (December 2013), References 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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