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This is list of bird species by global population, divided by bird classification. While numbers are estimates, they have been made by the experts in their fields. For more information on how these estimates were ascertained, see Wikipedia's articles on population biology and population ecology. Contributing organizations include the IUCN, BirdLife International, and Partners in Flight.

This list is incomplete, because experts have not estimated all bird numbers. For example, the spectacled flowerpecker was only discovered in 2010, and has yet to be classified with a Linnean name, but would add to the other 73 new bird species described by ornithologists from 2000 – 2009.[1][2][3] Global population estimates for many of these at this time would be absurd.

All numbers are estimates, because they are taken by observation, and a given number of 50 slender-billed curlews does not necessarily mean there are 10 more of this species than the black stilt, which has been estimated at 40: there is a possibility that the latter species has a larger population than the former.[4][5] This list should not be taken that literally. An estimate of 250 shore dotterels compared with 4,500 – 5,000 wrybills, on the other hand, means that the latter has well over one order of magnitude more individuals than the former.[6][7] The wrybill only has approximately one tenth the population of great skuas (48,000), which are outnumbered ~10:1 by the pigeon guillemot (470,000).[8][9] It is these large differences between species that this list tries to convey.

By taxonomy

List by taxonomic order Birds included # of quantified species / # of total species (%)1 Example of less common species Example of more common species
Anseriformes Waterfowl: ducks, geese, swans. 89 / 166 (54%) Laysan Duck (CR) 100px Mallard (LC) 100px
Pop: 521[10] Pop: > 17,000,000[11]
Apodiformes Swifts, hummingbirds. 86 / 441 (20%) Juan Fernandez Firecrown (CR) 100px Chimney Swift (NT) 100px
Pop: 2,500 – 3,000[12] Pop: 15,000,000[13]
Caprimulgiformes and allies Nightjars, nighthawks, potoos. 19 / 125 (15%) Puerto Rican Nightjar (EN) 100px European Nightjar (LC) 100px
Pop: 1,400 – 2,000[14] Pop: 2,000,000 – 6,000,000[15]
Charadriiformes Waders, gulls, auks. 181 / 352 (51%) Shore Dotterel (EN) 100px Thick-billed Murre (LC) 100px
Pop: 250[6] Pop: > 22,000,000[16]
Ciconiiformes Storks, herons, egrets, ibises, spoonbills. 52 / 115 (45%) Storm's Stork (EN) 100px White-faced Ibis (LC) 100px
Pop: 400 – 500[17] Pop: 1,200,000[18]
Columbiformes Doves, pigeons. 94 / 321 (29%) Socorro Dove (EW) 100px Rock Dove (LC) Rock dove - natures pics
Pop: 100[19] Pop: 260,000,000[20]
Coraciiformes Kingfishers, hornbills, motmots, bee-eaters. 38 / 219 (17%) Narcondam Hornbill (EN) 100px Rainbow Bee-eater (LC) 100px
Pop: 320 – 340[21] Pop: > 1,000,000[22]
Cuculiformes Cuckoos. 22 / 165 (13%) Black-hooded Coucal (CR) Common Cuckoo (LC) 100px
Pop: 70[23] Pop: 25,000,000 – 100,000,000[24]
Falconiformes, Accipitriformes, Cathartiformes Diurnal birds of prey. 164 / 310 (53%) Madagascar Fish-Eagle (CR) 100px Common Kestrel (LC) 100px
Pop: 360[25] Pop: > 5,000,000[26]
Galliformes Gamebirds. 121 / 288 (42%) Bornean Peacock-Pheasant (EN) Willow Ptarmigan (LC) 100px
Pop: 1,000 – 2,499[27] Pop: > 40,000,000[28]
Gaviiformes Loons. 4 / 5 (80%) Yellow-billed Loon (NT) 100px Pacific Loon (LC) 100px
Pop: 16,000 – 32,000[29] Pop: 930,000 – 1,600,000[30]
Gruiformes Cranes, crakes, rails. 92 / 206 (45%) Lord Howe Woodhen (EN) 100px American Coot (LC) 100px
Pop: 220 – 230[31] Pop: 6,000,000[32]
Pelecaniformes Pelicans, frigatebirds, gannets, boobies, cormorants. 36 / 65 (55%) Flightless Cormorant (VU) 100px Red-footed Booby (LC) 100px
Pop: 1,679[33] Pop: > 1,000,000[34]
Phoenicopteriformes Flamingos. 5 / 6 (83%) Andean Flamingo (VU) 100px Lesser Flamingo (NT) 100px
Pop: 38,000[35] Pop: 2,220,000 – 3,240,000[36]
Piciformes Woodpeckers, toucans, barbets. 43 / 410 (10%) Ivory-billed Woodpecker (CR) Ivory-billed Woodpecker by Jerry A. Payne Great Spotted Woodpecker (LC) Great Spotted Woodpecker
Pop: 0 – 50[37] Pop: 73,500,000 – 216,000,000[38]2
Podicipediformes Grebes. 11 / 19 (58%) New Zealand Grebe (VU) 100px Black-necked Grebe (LC) 100px
Pop: 1,900 – 2,000[39] Pop: 3,900,000 – 4,200,000[40]
Procellariiformes Albatrosses and petrels. 116 / 129 (90%) New Zealand Storm-Petrel (CR) 100px Short-tailed Shearwater (LC) 100px
Pop: < 50[41] Pop: > 23,000,000[42]
Psittaciformes Parrots. 134 / 356 (38%) Kakapo (CR) 100px Red-tailed Black-Cockatoo (LC) 100px
Pop: 126[43] Pop: > 100,000[44]
Sphenisciformes Penguins. 16 / 18 (89%) Galapagos Penguin (EN) 100px Macaroni Penguin (VU) 100px
Pop: 1,800[45] Pop: 18,000,000[46]3
Strigiformes Owls. 72 / 197 (37%) Forest Owlet (CR) 100px Short-eared Owl (LC) 100px
Pop: 70 – 400[47] Pop: > 2,000,000[48]
Struthioniformes Ratites. 6 / 11 (55%) Little Spotted Kiwi (NT) 100px Southern Brown Kiwi (VU) 100px
Pop: > 1,200[49] Pop: 29,800[50]
Tinamiformes Tinamous. 9 / 47 (19%) Slaty-breasted Tinamou (LC) 100px Little Tinamou (LC) 100px
Pop: 20,000 – 49 999[51] Pop: 500,000 – 4,999,999[52]
Trogoniformes Trogons, quetzals. 9 / 44 (20%) Javan Trogon (EN) 100px Collared Trogon (LC) 100px
Pop: 350 – 1,500[53] Pop: 5,000,000 – 50,000,000[54]

See also

Notes

1.^ Amount of quantified species contained in the list as of Template:Currentdate. The amount of species in each order is according to the IUCN and BirdLife International; bird taxonomy is currently in flux and these figures may soon change.
2.^ Preliminary estimate.
3.^ Mature only.

References

  1. ^ Reuters. "Spectacled flowerpecker" bird found in Borneo, scientificamerican.com, 13 January 2010, accessed on 15 January 2010.
  2. ^ Walton, Doreen, science reporter. New bird species found in rainforests of Borneo, BBC News, news.bbc.co.uk, 14 January 2010, accessed on 15 January 2010.
  3. ^ Pennak, Sara (18 January 2012). "State of observed species: A decade of species discovery in review" (PDF). Arizona State University: International Institute for Species Exploration. Archived from the original (PDF) on 31 October 2012. Retrieved 2013-01-02. 
  4. ^ BirdLife International (2012). "Himantopus novaezelandiae". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-12. Retrieved 2012-12-06. 
  5. ^ BirdLife International (2012). "Numenius tenuirostris". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-12. Retrieved 2012-12-06. 
  6. ^ a b BirdLife International (2012). "Thinornis novaeseelandiae". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-27. Retrieved 2012-12-09. 
  7. ^ BirdLife International (2012). "Anarhynchus frontalis". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-27. Retrieved 2012-12-05. 
  8. ^ BirdLife International (2012). "Stercorarius skua". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Retrieved 2012-12-09. This link is dead.
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  12. ^ BirdLife International (2012). "Sephanoides fernandensis". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-10-14. Retrieved 2012-12-02. 
  13. ^ BirdLife International (2012). "Chaetura pelagica". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-12. Retrieved 2012-12-01. 
  14. ^ BirdLife International (2012). "Caprimulgus noctitherus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-26. Retrieved 2012-12-05. 
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  16. ^ BirdLife International (2012). "Uria lomvia". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-13. Retrieved 2012-12-09. 
  17. ^ BirdLife International (2012). "Ciconia stormi". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-10. Retrieved 2012-12-06. 
  18. ^ BirdLife International (2012). "Plegadis chihi". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-25. Retrieved 2012-12-06. 
  19. ^ BirdLife International (2012). "Zenaida graysoni". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-26. Retrieved 2012-12-06. 
  20. ^ BirdLife International (2012). "Columba livia". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-12. Retrieved 2012-12-06. 
  21. ^ BirdLife International (2012). "Aceros narcondami". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-10. Retrieved 2012-11-28. 
  22. ^ BirdLife International (2012). "Merops ornatus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-05-04. Retrieved 2012-12-11. 
  23. ^ BirdLife International (2012). "Tauraco fischeri". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Retrieved 2012-11-28. 
  24. ^ BirdLife International (2012). "Cuculus canorus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-14. Retrieved 2012-11-28. 
  25. ^ BirdLife International (2012). "Eutriorchis astur". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-12. 
  26. ^ BirdLife International (2012). "Falco tinnunculus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-12-31. Retrieved 2012-12-12. 
  27. ^ BirdLife International (2012). "Polyplectron schleiermacheri". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-09-26. Retrieved 2012-12-13. 
  28. ^ BirdLife International (2012). "Lagopus lagopus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-11. Retrieved 2012-12-12. 
  29. ^ BirdLife International (2012). "Gavia adamsii". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Retrieved 2012-12-12. 
  30. ^ BirdLife International (2012). "Gavia pacifica". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Retrieved 2012-12-12. 
  31. ^ BirdLife International (2012). "Gallirallus sylvestris". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-13. Retrieved 2012-12-14. 
  32. ^ BirdLife International (2012). "Fulica americana". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13. 
  33. ^ BirdLife International (2012). "Phalacrocorax harrisi". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-12. Retrieved 2012-12-14. 
  34. ^ BirdLife International (2012). "Sula sula". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-12. Retrieved 2012-12-15. 
  35. ^ BirdLife International (2012). "Phoenicoparrus andinus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-03-15. Retrieved 2012-12-13. 
  36. ^ BirdLife International (2012). "Phoeniconaias minor". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-01-02. Retrieved 2012-12-13. 
  37. ^ BirdLife International (2012). "Campephilus principalis". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-12-02. Retrieved 2012-12-14. 
  38. ^ BirdLife International (2012). "Dendrocopos major". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-10. Retrieved 2012-12-16. 
  39. ^ BirdLife International (2012). "Poliocephalus rufopectus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-27. Retrieved 2012-12-14. 
  40. ^ BirdLife International (2012). "Podiceps nigricollis". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-06-15. Retrieved 2012-12-14. 
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  44. ^ BirdLife International (2012). "Calyptorhynchus banksii". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Retrieved 2012-12-17. 
  45. ^ BirdLife International (2012). "Spheniscus mendiculus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-12. Retrieved 2012-12-14. 
  46. ^ BirdLife International (2012). "Eudyptes chrysolophus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-01-15. Retrieved 2012-12-14. 
  47. ^ BirdLife International (2012). "Heteroglaux blewitti". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-13. Retrieved 2012-12-21. 
  48. ^ BirdLife International (2012). "Asio flammeus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-14. Retrieved 2012-12-13. 
  49. ^ BirdLife International (2012). "Apteryx owenii". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Retrieved 2012-12-13. 
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