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List of Gruiformes by population

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The population of birds
Lists

Accipitriformes (hawks, eagles, vultures, and kites)
Anseriformes (waterfowl)
Apodiformes (swifts and hummingbirds)
Caprimulgiformes (nightjars and relatives)
Charadriiformes (gulls and relatives)
Ciconiiformes (storks and relatives)
Columbiformes (doves and pigeons)
Coraciiformes (kingfishers and relatives)
Cuculiformes (cuckoos and relatives)
Falconiformes (falcons and relatives)
Galliformes (gamebirds)
Gaviiformes (loons or divers)
Gruiformes (cranes and relatives)
Passeriformes (perching birds)
Pelecaniformes (pelicans and relatives)
Phoenicopteriformes (flamingos)
Piciformes (woodpeckers and relatives)
Podicipediformes (grebes)
Procellariiformes (albatrosses and petrels)
Psittaciformes (parrots)
Sphenisciformes (penguins)
Strigiformes (owls)
Struthioniformes (ratites)
Tinamiformes (tinamous)
Trogoniformes (trogons and quetzals)
Key

Conservation status

  Extinct in the wild (EW)
  Critically endangered (CR)
  Endangered (EN)
  Vulnerable (VU)
  Near threatened (NT)
  Least concern (LC)
  Data deficient (DD)
Related
Lists of organisms by population
Lists of mammals by population
List of Late Quaternary prehistoric bird species
List of extinct birds
Lists of birds by region

This is a list of Gruiformes species by global population. 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.

This list is not comprehensive, as not all Gruiformes have had their numbers quantified.

Species by global population

[edit]
Common name Binomial name Population Status Trend Notes Image
Makira woodhen Gallinula silvestris 50[1] CR[1] Unknown[1] Maximum estimate; possibly extinct.[1]
New Caledonian rail Gallirallus lafresnayanus 50[2] CR[2] Unknown[2] Maximum estimate; possibly extinct.[2]
Samoan wood rail Gallinula pacifica 50[3] CR[3] Unknown[3] Maximum estimate; possibly extinct.[3]
Plain-flanked rail Rallus wetmorei 50 – 249[4] EN[4] Decrease[4]
Zapata rail Cyanolimnas cerverai 70 – 400[5] CR[5] Decrease[5]
Lord Howe woodhen Gallirallus sylvestris 220 – 230[6] EN[6] Steady[6] Endemic to Lord Howe Island.[6]
Great Indian bustard Ardeotis nigriceps 300[7] CR[7] Decrease[7]
Takahē Porphyrio hochstetteri 340- 350[8] EN[8] Increase[8]
Bengal florican Houbaropsis bengalensis 350 – 1500[9] CR[9] Decrease[9]
Kagu Rhynochetos jubatus 350 – 1500[10] EN[10] Steady[10]
Rusty-flanked crake Laterallus levraudi 350 – 1500[11] EN[11] Decrease[11]
Slender-billed flufftail Sarothrura watersi 350 – 1500[12] EN[12] Decrease[12]
Whooping crane Grus americana 382[13] EN[13] Increase[13] Number refers to wild population only, of which 266 are considered self-sustaining.[13]
Okinawa rail Gallirallus okinawae 720[14] EN[14] Decrease[14]
Buff-breasted buttonquail Turnix olivii 750[15] EN[15] Decrease[15]
White-winged flufftail Sarothrura ayresi 865 – 880[16] EN[16] Decrease[16]
Madagascan wood rail Canirallus kioloides 1000 – 2000[17] LC[17] Decrease[17]
Junin crake Laterallus tuerosi 1000 – 2499[18] EN[18] Decrease[18]
Masked finfoot Heliopais personatus 1000 – 2499[19] EN[19] Decrease[19]
Talaud rail Gymnocrex talaudensis 1000 – 2499[20] EN[20] Decrease[20]
Chestnut-headed flufftail Sarothrura lugens 1000 – 10 000[21] LC[21] Decrease[21]
Spotted rail Pardirallus maculatus 1000 – 10 000[22] LC[22] Unknown[22]
Streaky-breasted flufftail Sarothrura boehmi 1000 – 10 000[23] LC[23] Decrease[23]
Bogotá rail Rallus semiplumbeus 1500 – 4000[24] EN[24] Decrease[24]
Brown wood rail Aramides wolfi 1500 – 4000[25] VU[25] Decrease[25] Preliminary estimate.[25]
Hawaiian coot Fulica alai 2000 – 4000[26] VU[26] Steady[26]
Lesser florican Sypheotides indicus 2200[27] EN[27] Decrease[27]
Madagascan rail Rallus madagascariensis 2500 – 10 000[28] VU[28] Decrease[28]
Pink-legged rail Gallirallus insignis 2500 – 9999[29] NT[29] Decrease[29]
Rouget's rail Rougetius rougetii 2500 – 9999[30] NT[30] Decrease[30]
Roviana rail Gallirallus rovianae 2500 – 9999[31] NT[31] Decrease[31]
Red-crowned crane Grus japonensis 2750[32] EN[32] Decrease[32]
Clapper rail Rallus longirostris 3500 – 3700[33] LC[33] Decrease[33]
Auckland rail Lewinia muelleri 3500 – 4000[34] VU[34] Steady[34] Estimate is for mature population only.[34]
Siberian crane Leucogeranus leucogeranus 3500 – 4000[35] CR[35] Decrease[35] Western subpopulation is 4.[35]
Blue-faced rail Gymnocrex rosenbergii 3500 – 15 000[36] VU[36] Decrease[36]
Brown mesite Mesitornis unicolor 3500 – 15 000[37] VU[37] Decrease[37]
Dot-winged crake Porzana spiloptera 3500 – 15 000[38] VU[38] Decrease[38]
Invisible rail Habroptila wallacii 3500 – 15 000[39] VU[39] Decrease[39]
Rufous-faced crake Laterallus xenopterus 3500 – 15 000[40] VU[40] Decrease[40] Preliminary estimate.[40]
Sakalava rail Amaurornis olivieri 3500 – 15 000[41] EN[41] Decrease[41]
Snoring rail Aramidopsis plateni 3500 – 15 000[42] VU[42] Decrease[42]
Sumba buttonquail Turnix everetti 3500 – 15 000[43] VU[43] Decrease[43]
Swinhoe's rail Coturnicops exquisitus 3500 – 15 000[44] VU[44] Decrease[44]
Talaud bush-hen Amaurornis magnirostris 3500 – 15 000[45] VU[45] Decrease[45]
Calayan rail Gallirallus calayanensis 3800 – 6500[46] VU[46] Steady[46]
White-throated rail Dryolimnas cuvieri 5100 – 7500[47] LC[47] Steady[47]
White-naped crane Grus vipio 5500 – 6500[48] VU[48] Decrease[48]
Wattled crane Bugeranus carunculatus 6000 – 8000[49] VU[49] Decrease[49]
Black-breasted buttonquail Turnix melanogaster 7500[50] NT[50] Decrease[50]
White-breasted mesite Mesitornis variegatus 8000[51] VU[51] Decrease[51] Minimum estimate.[51]
Inaccessible Island rail Atlantisia rogersi 8400[52] VU[52] Steady[52]
Red-eyed crake Porzana atra 9300[53] VU[53] Steady[53]
Horned coot Fulica cornuta 10 000 – 19 999[54] NT[54] Decrease[54]
Woodford's rail Nesoclopeus woodfordi 10 000 – 19 999[55] NT[55] Decrease[55]
Andaman crake Rallina canningi 10 000 – 25 000[56] NT[56] Decrease[56]
Austral rail Rallus antarcticus 10 000 – 25 000[57] VU[57] Decrease[57]
Yellow rail Coturnicops noveboracensis 10 000 – 25 000[58] LC[58] Steady[58]
White-breasted waterhen Amaurornis phoenicurus 10 000 – 100 000[59] LC[59] Unknown[59]
Black-necked crane Grus nigricollis 10 070 – 10 970[60] VU[60] Decrease[60]
Hooded crane Grus monacha 11 600[61] VU[61] Decrease[61]
Blue korhaan Eupodotis caerulescens 12 000 – 15 000[62] NT[62] Steady[62]
Gough moorhen Gallinula nesiotis 13 000 – 14 000[63] VU[63] Increase[63]
Sarus crane Antigone antigone 19 000 – 21 800[64] VU[64] Decrease[64]
Galapagos crake Laterallus spilonotus 20 000 – 49 999[65] VU[65] Decrease[65]
Ruddy crake Laterallus ruber 20 000 – 49 999[66] LC[66] Unknown[66]
Uniform crake Amaurolimnas concolor 20 000 – 49 999[67] LC[67] Decrease[67]
Yellow-breasted crake Porzana flaviventer 20 000 – 49 999[68] LC[68] Unknown[68]
Blue crane Anthropoides paradiseus 25 580[69] VU[69] Steady[69] Minimum estimate.[69]
Black crowned crane Balearica pavonina 43 000 – 70 000[70] VU[70] Decrease[70] Divided into two subspecies: B. p. pavonina (15 000) & B. p. ceciliae (28 000 – 55 000).[70]
Great bustard Otis tarda 44 000 – 57 000[71] VU[71] Decrease[71]
Grey crowned crane Balearica regulorum 50 000 – 64 000[72] EN[72] Decrease[72] Numbers are from 2004; considered too high due to the rapidly decreasing population.[72]
Rufous-necked wood rail Aramides axillaris 50 000 – 499 999[73] LC[73] Unknown[73]
Ludwig's bustard Neotis ludwigii 56 000 – 81 000[74] EN[74] Decrease[74] Population may be lower due to an apparent recent spate of power-line collisions.[74]
Subdesert mesite Monias benschi 98 000 – 152 000[75] VU[75] Decrease[75]
Australian bustard Ardeotis australis 100 000[76] LC[76] Decrease[76] Maximum estimate.[76]
Houbara bustard Chlamydotis undulata 106 000 – 110 000[77] VU[77] Decrease[77] Preliminary estimate.[77]
Weka Gallirallus australis 107 000 – 177 000[78] VU[78] Decrease[78] Divided into four subspecies: G. a. australis (50 000 – 100 000), G. a. greyi (~11 000), G. a. hectori (38 000 – 58 000), & G. a. scotti (<8000)[78]
Demoiselle crane Anthropoides virgo 230 000 – 280 000[79] LC[79] Increase[79] Minimum estimate.[79]
Little bustard Tetrax tetrax 260 000[80] NT[80] Decrease[80] Minimum estimate.[80]
Common crane Grus grus 360 000 – 370 000[81] LC[81] Unknown[81]
Sunbittern Eurypyga helias 500 000 – 4 999 999[82] LC[82] Decrease[82]
Sungrebe Heliornis fulica 500 000 – 4 999 999[83] LC[83] Unknown[83]
Black crake Amaurornis flavirostra 1 000 000[84] LC[84] Unknown[84]
Limpkin Aramus guarauna 1 000 000[85] LC[85] Steady[85]
Red-gartered coot Fulica armillata 1 000 000[86] LC[86] Unknown[86]
White-winged coot Fulica leucoptera 1 000 000[87] LC[87] Steady[87]
Plumbeous rail Pardirallus sanguinolentus 1 000 000 – 2 000 000[88] LC[88] Steady[88]
Common moorhen Gallinula chloropus 3 900 000 – 8 100 000[89] LC[89] Unknown[89]
Grey-necked wood rail Aramides cajaneus 5 000 000 – 50 000 000[90] LC[90] Steady[90]
Corn crake Crex crex 5 450 000 – 9 720 000[91] LC[91] Steady[91] Preliminary estimate; may be lower.[91]
American coot Fulica americana 6 000 000[92] LC[92] Decrease[92]

See also

[edit]

References

[edit]
  1. ^ a b c d BirdLife International (2012). "Gallinula silvestris". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  2. ^ a b c d BirdLife International (2012). "Gallirallus lafresnayanus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  3. ^ a b c d BirdLife International (2012). "Gallinula pacifica". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  4. ^ a b c BirdLife International (2012). "Rallus wetmorei". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  5. ^ a b c BirdLife International (2012). "Cyanolimnas cerverai". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  6. ^ a b c d 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.
  7. ^ a b c BirdLife International (2012). "Ardeotis nigriceps". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-12. Retrieved 2012-12-13.
  8. ^ a b c BirdLife International (2012). "Porphyrio hochstetteri". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  9. ^ a b c BirdLife International (2012). "Houbaropsis bengalensis". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-10. Retrieved 2012-12-14.
  10. ^ a b c BirdLife International (2012). "Rhynochetos jubatus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-14. Retrieved 2012-12-14.
  11. ^ a b c BirdLife International (2012). "Laterallus levraudi". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  12. ^ a b c BirdLife International (2012). "Sarothrura watersi". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  13. ^ a b c d BirdLife International (2012). "Grus americana". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-04-19. Retrieved 2012-12-14.
  14. ^ a b c BirdLife International (2012). "Gallirallus okinawae". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  15. ^ a b c BirdLife International (2012). "Turnix olivii". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-25. Retrieved 2012-12-14.
  16. ^ a b c BirdLife International (2012). "Sarothrura ayresi". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  17. ^ a b c BirdLife International (2012). "Canirallus kioloides". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  18. ^ a b c BirdLife International (2012). "Laterallus tuerosi". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  19. ^ a b c BirdLife International (2012). "Heliopais personatus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  20. ^ a b c BirdLife International (2012). "Gymnocrex talaudensis". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-10-19. Retrieved 2012-12-14.
  21. ^ a b c BirdLife International (2012). "Sarothrura lugens". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  22. ^ a b c BirdLife International (2012). "Pardirallus maculatus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  23. ^ a b c BirdLife International (2012). "Sarothrura boehmi". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  24. ^ a b c BirdLife International (2012). "Rallus semiplumbeus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  25. ^ a b c d BirdLife International (2012). "Aramides wolfi". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  26. ^ a b c BirdLife International (2012). "Fulica alai". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-11. Retrieved 2012-12-13.
  27. ^ a b c BirdLife International (2012). "Sypheotides indicus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-11. Retrieved 2012-12-14.
  28. ^ a b c BirdLife International (2012). "Rallus madagascariensis". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  29. ^ a b c BirdLife International (2012). "Gallirallus insignis". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  30. ^ a b c BirdLife International (2012). "Rougetius rougetii". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  31. ^ a b c BirdLife International (2012). "Gallirallus rovianae". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  32. ^ a b c BirdLife International (2012). "Grus japonensis". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-13. Retrieved 2012-12-14.
  33. ^ a b c BirdLife International (2012). "Rallus longirostris". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-12. Retrieved 2012-12-14.
  34. ^ a b c d BirdLife International (2012). "Lewinia muelleri". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  35. ^ a b c d BirdLife International (2012). "Leucogeranus leucogeranus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-12-23. Retrieved 2012-12-14.
  36. ^ a b c BirdLife International (2012). "Gymnocrex rosenbergii". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  37. ^ a b c BirdLife International (2012). "Mesitornis unicolor". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  38. ^ a b c BirdLife International (2012). "Porzana spiloptera". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  39. ^ a b c BirdLife International (2012). "Habroptila wallacii". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-11. Retrieved 2012-12-14.
  40. ^ a b c d BirdLife International (2012). "Laterallus xenopterus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  41. ^ a b c BirdLife International (2012). "Amaurornis olivieri". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  42. ^ a b c BirdLife International (2012). "Aramidopsis plateni". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  43. ^ a b c BirdLife International (2012). "Turnix everetti". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  44. ^ a b c BirdLife International (2012). "Coturnicops exquisitus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  45. ^ a b c BirdLife International (2012). "Amaurornis magnirostris". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  46. ^ a b c BirdLife International (2012). "Gallirallus calayanensis". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  47. ^ a b c BirdLife International (2012). "Dryolimnas cuvieri". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  48. ^ a b c BirdLife International (2012). "Grus vipio". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-07-07. Retrieved 2012-12-14.
  49. ^ a b c BirdLife International (2012). "Bugeranus carunculatus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-11. Retrieved 2012-12-13.
  50. ^ a b c BirdLife International (2012). "Turnix melanogaster". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  51. ^ a b c d BirdLife International (2012). "Mesitornis variegatus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  52. ^ a b c BirdLife International (2012). "Atlantisia rogersi". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-11. Retrieved 2012-12-13.
  53. ^ a b c BirdLife International (2012). "Porzana atra". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-11. Retrieved 2012-12-14.
  54. ^ a b c BirdLife International (2012). "Fulica cornuta". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-10. Retrieved 2012-12-13.
  55. ^ a b c BirdLife International (2012). "Nesoclopeus woodfordi". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  56. ^ a b c BirdLife International (2012). "Rallina canningi". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-05-11. Retrieved 2012-12-14.
  57. ^ a b c BirdLife International (2012). "Rallus antarcticus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  58. ^ a b c BirdLife International (2012). "Coturnicops noveboracensis". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  59. ^ a b c BirdLife International (2012). "Amaurornis phoenicurus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-11. Retrieved 2012-12-13.
  60. ^ a b c BirdLife International (2012). "Grus nigricollis". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-12. Retrieved 2012-12-14.
  61. ^ a b c BirdLife International (2012). "Grus monacha". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  62. ^ a b c BirdLife International (2012). "Eupodotis caerulescens". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  63. ^ a b c BirdLife International (2012). "Gallinula nesiotis". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-12-30. Retrieved 2012-12-13.
  64. ^ a b c BirdLife International (2012). "Grus antigone". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  65. ^ a b c BirdLife International (2012). "Laterallus spilonotus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  66. ^ a b c BirdLife International (2012). "Laterallus ruber". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  67. ^ a b c BirdLife International (2012). "Amaurolimnas concolor". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-13.
  68. ^ a b c BirdLife International (2012). "Porzana flaviventer". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  69. ^ a b c d BirdLife International (2012). "Anthropoides paradiseus". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2012-11-02. Retrieved 2012-12-13.
  70. ^ a b c d BirdLife International (2012). "Balearica pavonina". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-06-26. Retrieved 2012-12-13.
  71. ^ a b c BirdLife International (2012). "Otis tarda". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-28. Retrieved 2012-12-14.
  72. ^ a b c d BirdLife International (2012). "Balearica regulorum". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-01-01. Retrieved 2012-12-13.
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  74. ^ a b c d BirdLife International (2012). "Neotis ludwigii". IUCN Red List of Threatened Species. Version 2012.2. IUCN. Archived from the original on 2013-09-04. Retrieved 2012-12-14.
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