Biology:List of Anseriformes by population

From HandWiki
Short description: List of bird species related to the goose

This is a list of Anseriformes species by global population. While numbers are estimates, they have been made by the experts in their fields.

Anseriformes (Anser being Latin for "goose") is the taxonomic order to which the ducks, geese, swans, and screamers belong. BirdLife International has assessed 166 species; 89 (54% of total species) have had their population estimated. A variety of methods are used for counting waterfowl. For example, in North America, national and sub-national agencies use planes and helicopters to make aerial transects of breeding populations, and extrapolate these counts over the species' known ranges. Methodologies are continuously being refined; thus estimates can be expected to become more accurate over time. Forecasts can be made by studying habitat condition trends and by interviewing local experts.[1] For more information on how these estimates were ascertained, see Wikipedia's articles on population biology and population ecology.

The first bird in this list, the crested shelduck, retains a status of Critically Endangered on the IUCN Red List but may in fact be extinct. The last confirmed reporting was in 1964 near Vladivostok. North Korea claimed a sighting in March 1971, but this record is highly suspect. Unconfirmed reports do, however, periodically roll in from Northeast China, giving scientists hope that the last individual has not yet died.[2] To be assessed as Critically Endangered a species must have experienced a decline of at least 80% in the past ten years or three generations, or be projected to decline that much in the future ten years or three generations.[3] As some species below are rapidly approaching their minimum viable population (MVP), the future may see their removal from the list and addition to the preceding paragraph.

Extinct species:

  • Réunion shelduck, the last of which had been hunted by 1710;[4]
  • Mauritian shelduck, which was plentiful in 1681 and extinct in 1698;[5]
  • Amsterdam duck, reported to be the favourite dish of Île Amsterdam's five resident sealers until 1793;[6][7]
  • Mauritian duck, which was found in "great numbers" in 1681 and last reported in 1696;[8]
  • Mariana mallard, a pair of which would not breed at SeaWorld and which has not been encountered since the death of the last individual there in 1981;[9]
  • Finsch's duck, once the most abundant waterfowl species in New Zealand;[10]
  • Labrador duck, which has not been seen in northeast North America since 1875;[11]
  • Auckland merganser, which was last recorded in 1902.[12]

Species by global population

Common name Binomial name Population Status Trend Notes Image
Crested shelduck Tadorna cristata 1-49[13] CR[13] ?[13] Shiryou k.jpg
Madagascar pochard Aythya innotata 20-49[14] CR[14] Steady[14] Rediscovered in 2008.[14] Madagascar Pochard, Captive Breeding Program, Madagascar 4.jpg
Brazilian merganser Mergus octosetaceus 50-249[15] CR[15] Decrease[15] This is a precautionary estimate. Actual population may exceed this estimate.[15] Mergus octosetaceus 2.png
Baer's pochard Aythya baeri 150-700[16] CR[16] Decrease[16] Baer's Pochard RWD4.jpg
Andaman teal Anas albogularis 250-999[17] VU[17] Steady[17] Estimate is for mature individuals only; numbers may be higher.[17] The Indian ducks and their allies (6254041119).jpg
White-winged duck Asarcornis scutulata 250-999[18] EN[18] Decrease[18] White-winged wood duck (Asarcornis scutulata).jpg
Auckland teal Anas aucklandica 300-1,7001000-1,700[19] NT[19] Steady[19] First given estimate is obtained from considering multiple counts over the years. The second is purely the 2016 estimate.[19] Anas aucklandica.jpg
White-winged duck Cairina scutulata 350 – 1500[20] EN[20] Decrease[20] White-winged Duck RWD3.jpg
Campbell teal Anas nesiotis > c. 500[21] VU[21] Steady[21] No formal count has been conducted. This is an opportunistic estimate.[21] Campbell Island Teal.JPG
Laysan duck Anas laysanensis 500-680[22] CR[22] Increase[22] No total population estimate is given due to the birds rarity.[22] Laysan teal male.jpg
Bernier's teal Anas bernieri 630-1,900[23] EN[23] Decrease[24] Total population is not given. This estimate for mature individuals is based on multiple counts over the years.[23] Bernier's Teal RWD.jpg
Blue duck Hymenolaimus malacorhynchos 1,200[24] EN[24] Decrease[24] Whio (Blue Duck) at Staglands, Akatarawa, New Zealand.jpg
Meller's duck Anas melleri 1,300-3,300[25] EN[25] Decrease[25] Total population estimated at 2,000-5,000 individuals.[25] Anas.melleri.3.jpg
Hawaiian duck Anas wyvilliana 1,500[26] EN[26] Decrease[26] Total population estimated at 2,200 individuals.[26] Hawaiian Duck RWD3.jpg
Northern screamer Chauna chavaria 1,500-7,000[27] NT[27] Decrease[27] Chauna chavaria-8.jpg
Brown teal Anas chlorotis 1,600-2,200[28] NT[28] Increase[28] Total population estimated at 2,400-3,400 individuals.[28] Brown Teal Male.JPG
Bronze-winged duck Speculanas specularis 1,500-7,000[29] NT[29] Steady[29] Total population estimated at under 10,000 individuals, leading to estimate 2,500-9,999 (made in 2002).[29] Bronze-winged Duck pair RWD.jpg
Nene Branta sandvicensis 1,700-2,200[30] NT[30] Increase[30] Nene RWD4d.jpg
Salvadori's teal Salvadorina waigiuensis 2500 – 20 000[31] VU[31] Decrease[31] Salvadorina waigiuensis 1895.jpg
Scaly-sided merganser Mergus squamatus 2,400-4,500[32] EN[32] Decrease[32] Estimate is rough; further research needed.[32] 253 Schuppensäger 2009123ß.JPG
Blue-winged goose Cyanochen cyanoptera 3,000-7,000[33] NT[33] Decrease[33] Blue-winged Goose RWD2.jpg
New Zealand scaup Aythya novaeseelandiae 3,300-6,700[34] LC[34] Increase[34] NZ Scaup 01.jpg
Philippine duck Anas luzonica 3,300-6,700[35] VU[35] Decrease[35] Total population is estimated to fall between 5,000 and 10,000 from counts in 2004 and 2005.[35] Philippine duck.jpg
Chubut steamer duck Tachyeres leucocephalus 3,400-3,700[36] VU[36] Decrease[36] Total population estimated at 5,300-5,600 individuals from a count in 2011.[36] White-headed Flightless Steamer Duck (Tachyeres leucocephalus).PNG
Maccoa duck Oxyura maccoa 4,800-5,700[37] EN[37] Decrease[37] Estimate from observations in East and South Africa.[37] Oxyura maccoa.jpg
White-headed duck Oxyura leucocephala 5,300-8,700[38] EN[38] Decrease[38] Breeding pairs estimates at 500–1,200 mature individuals.[38] White-headed Duck.jpg
West Indian whistling duck Dendrocygna arborea 6,000-15,000[39] NT[39] Decrease[39] This estimate is conservative- actual population may be larger.[39] West Indian Whistling-Duck (Dendrocygna arborea) RWD2.jpg
Andean teal Anas andium 6,000-15,000[40] LC[40] Decrease[40] Total population estimated 10,000-19,999 individuals.[40] AnasAndiumSmit.jpg
Spotted whistling duck Dendrocygna guttata 6,700-17,000[41] LC[41] Steady[41] Spotted Whistling Duck RWD3.jpg
Coscoroba swan Coscoroba coscoroba 6,700-17,000 LC Steady Coscoroba coscoroba1.jpg
Magellanic steamerduck Tachyeres pteneres 6,700-67,000[42] LC[42] Steady[42] There is little to no evidence of any declines in population, so assumed to be stable. There is no total population estimate.[42] Tachyeres pteneres in the Beagle Channel (2).PNG
Sunda teal Anas gibberifrons 6,700-67,000[43] NT[43] Steady[43] Total population estimated at 10,000-100,000.[43] SundaTeal Bali.jpg
Freckled duck Stictonetta naevosa 7,300-17,000[44] LC[44] Steady[44] Freckled-Duck-male.jpg
Flying steamerduck Tachyeres patachonicus 7,300-18,000[45] LC[45] Decrease[45] Global population is estimated at 11,000-26,000 individuals. Falkland Islands populations is estimate at 600–1,200 total birds.[45] Flying Steamer Duck (Tachyeres patachonicus) (5).jpg
White-backed duck Thalassornis leuconotus 8,000-19,000[46] LC[46] Decrease[46] White-backed Duck RWD2.jpg
Orinoco goose Neochen jubata 10,000-25,000[47] NT[47] Decrease[47] Orinoco Goose.jpg
Cape Barren goose Cereopsis novaehollandiae 11,000-12,000[48] LC[48] Steady[48] Cereopsis novaehollandiae 2.jpg
Flying steamer duck Tachyeres patachonicus 11 000 – 26 000[49] LC[49] Decrease[49] Flying Steamer Duck (Tachyeres patachonicus) (5).jpg
Torrent duck Merganetta armata 13,000-23,000[50] LC[50] Decrease[50] Merganetta armata (Pato de torrentes) - Macho (16286015670).jpg
Musk duck Biziura lobata 13,000-33,000[51] LC[51] Decrease[51] Biziura lobata - Sandford.jpg
Cape shoveler Spatula smithii 13,000-33,000[52] LC[52] Increase[52] This estimate is only for mature individuals. A total population estimate is not given.[52] Cape Shoveler, Anas smithii at Marievale Nature Reserve, Gauteng, South Africa (21070595651).jpg
Blue-billed duck Oxyura australis 11,000-19,000c. 15,000[53] LC[53] Steady[53] 15,000 is the best estimate, with the full range also given.[53] Blue-billed-duck.jpg
Lesser white-fronted goose Anser erythropus 16,000-27,000[54] VU[54] Decrease[54] Zwerggans (Anser erythropus) - Weltvogelpark Walsrode 2011.jpg
Masked duck Nomonyx dominicus 16,000-200,000[55] LC[55] Steady[55] These are extreme estimates due to uncertainty on population.[55] Oxyura dominica.jpg
Lake duck Oxyura vittata 25,000-100,000[56] LC[56] Steady[56] Lake Duck (Oxyura vittata) (15770041517).jpg
Ringed teal Callonetta leucophrys 25,000-100,000[57] LC[57] Decrease[57] Callonetta leucophrys (male) - Ringed Teal, London Wetlands Centre,, UK - Diliff.jpg
American comb duck Sarkidiornis sylvicola 25,000-100,000[58] LC[58] Decrease[58] Sarkidiornis sylvicola (Pato moñudo), Colombia (16372430426).jpg
Hartlaub's duck Pteronetta hartlaubii 26,000-110,000[59] LC[59] Decrease[59] Hartlaub's Duck RWD.jpg
Eaton's pintail Anas eatoni 31,200-41,400[60] VU[60] Decrease[60] Has not been estimated since the 1980s; numbers have probably declined. Total population is estimated at 45,000-60,000.[60] Anas eatoni.jpg
Andean duck Oxyura ferruginea 35,000-110,000[61] LC[61] Decrease[61] Estimate includes 10,000 of andina subspecies and 25,000-100,000 of ferruginea subspecies.[61] Andean duck (Oxyura ferruginea) male Cundinamarca.jpg
Red-breasted goose Branta ruficollis 37 000[62] EN[62] Decrease[62] Minimum estimate.[62] Red-breasted goose arp.jpg
Ruddy-headed goose Chloephaga rubidiceps 43,000-82,000[63] LC[63] Decrease[63] Chloephaga rubidiceps1.jpg
Red-breasted merganser Mergus serrator 44,000-56,000[64] VU[64] Decrease[64] This estimate comes from multiple population estimates over the past two decades.[64] Mergus serrator -New Jersey -USA -winter-8.jpg
Trumpeter swan Cygnus buccinator 50,000[65] LC[65] Increase[65] Trumpeter swan pair on Seedskadee National Wildlife Refuge (34886394651).jpg
Marbled duck Marmaronetta angustirostris 55,000-61,000[66] VU[66] Decrease[66] This estimate includes the following: 3,000-6,000 in Mediterranean and West Africa, 5,000 in south Asia, and 46,000-50,000 in south-western Asia.[66] Marbled Teal (Marmaronetta angustirostris) RWD2.jpg
Muscovy duck Cairina moschata 50,000-499,999[67] LC[67] Decrease[67] Muscovy Duck SMTC.jpg
Swan goose Anser cygnoides 60,000-90,000[68] VU[68] Decrease[68] Anser cygnoides-Beijing.jpg
Mandarin duck Aix galericulata 65,000-66,000[69] LC[69] Decrease[69] This estimate includes the following: 100–10,000 breeding pairs in China, 100 in Taiwan, 100–10,000 in Korea, and 10,000-100,000 in Japan.[69] Aix galericulata - Zürich - Hafen Riesbach 2011-01-14 15-58-32.JPG
Emperor goose Chen canagica > c. 85 000[70] NT[70] Decrease[70] Emperor Goose on nest (orange head).jpg
Falcated duck Mareca falcata > 89,000[71] NT[71] Decrease[71] Falcated.duck.arp.750pix.jpg
Black swan Cygnus atratus 100,000-1,000,000[72] LC[72] Steady[72] Black swan jan09.jpg
Pink-footed goose Anser brachyrhynchus 114,000-148,000[73] LC[73] Increase[73] Anser brachyrhynchus.jpg
Smew Mergellus albellus > 130,000[74] LC[74] Decrease[74] European population estimated at 18,300-35,200 mature individuals.[74] Smew RWD1.jpg
Steller's eider Polysticta stelleri 130,000-150,000[75] VU[75] Decrease[75] Steller's Eider (Polysticta stelleri) (13667627635).jpg
Cotton pygmy-goose Nettapus coromandelianus 130,000-1,100,000[76] LC[76] Steady[76] Nettapus coromandelianus male - Bueng Boraphet.jpg
Velvet scoter Melanitta fusca 141,000-268,000[77] VU[77] Decrease[77] Melanitta fusca.jpg
Indian spot-billed duck Anas poecilorhyncha 150,000-1,100,000[78] LC[78] Decrease[78] This estimate includes the Chinese Spot-billed Duck, as the count was conducted before the taxonomy change.[78] Indian spot-billed duck near Rohti Chhana, Patiala district.jpg
Mute swan Cygnus olor 167,000-231,000[79] LC[79] Increase[79] CygneVaires.jpg
Ruddy shelduck Tadorna ferruginea 170,000-220,000[80] LC[80] ?[80] European population is estimated at 33,900-53,100 mature individuals.[80] Ruddy shelduck arp.jpg
Barrow's goldeneye Bucephala islandica 175,000-200,000[81] LC[81] Steady[81] European population is 1,600-1,800 mature individuals, North American population is 180,000 mature individuals, but Alaskan population is unknown.[81] Barrow's Goldeneye Drake Seedskadee NWR (16656643482).jpg
Whooper swan Cygnus cygnus > c. 180,000[82] LC[82] ?[82] Europe has approx. 50,600-65,500 mature individuals, and Russia has 10,000-100,000 breeding pairs.[82] Singschwan.jpg
Ferruginous duck Aythya nyroca 180,000-240,000[83] NT[83] Decrease[83] Aythya nyroca at Martin Mere 1.jpg
Pacific black duck Anas superciliosa 180,000-1,200,000[84] LC[84] ?[84] This is for the total population only. The population has decreased significantly over the last fifty years.[84] Pacific Black Duck jun08.jpg
Harlequin duck Histrionicus histrionicus 190,000-380,000[85] LC[85] Increase[85] Russian estimate is 10,000-100,000 breeding pairs and 4,000-7,000 pairs in Europe.[85] Histrionicus histrionicus drake Barnegat.jpg
Lesser whistling duck Dendrocygna javanica 200,000-2,000,000[86] LC[86] Decrease[86] Dendrocygna javanica (Lesser Whistling Duck - Zwergpfeifgans) Weltvogelpark Walsrode 2012-009.jpg
Black-bellied whistling duck Dendrocygna autumnalis 200,000-2,000,000[87] LC[87] Increase[87] Whistling duck flight02 - natures pics-edit1.jpg
Spectacled eider Somateria fischeri 250,000[88] NT[88] Decrease[88] Spectacled Eider pair.jpg
Surf scoter Melanitta perspicillata 250,000-1,300,000[89] LC[89] Decrease[89] Melanitta perspicillata.jpg
Tundra swan Cygnus columbianus 317,000-336,000[90] LC[90] ?[90] European breeding population is 10,000-12,000 mature individuals.[90] Cygnus bewickii 01.jpg
Black scoter Melanitta americana 350,000-560,000[91] NT[91] Decrease[91] BlackScoter23.jpg
Cinnamon teal Spatula cyanoptera 380,000[92] LC[92] Decrease[92] Cinnamon teal at Seedskadee National Wildlife Refuge (27156606787).jpg
Siberian scoter Melanitta stenjnegeri 400,000-700,000[93] LC[93] Decrease[93] Melanitta stejnegeri.jpg
Common shelduck Tadorna tadorna 415,000-500,000[94] LC[94] Increase[94] Tadorna tadorna (aka).jpg
Red-crested pochard Netta rufina 420,000-600,000[95] LC[95] ?[95] Estimate includes European population at 55,100-86,000 mature individuals.[95] Netta rufina m2.jpg
Brant goose Branta bernicla 490,000[96] LC[96] ?[96] European population is 3,000-3,600 mature individuals.[96] Brent Goose - defensive position.jpg
White-winged scoter Melanitta deglandi 600 000 – 1 000 000[97] LC[97] Decrease[97] White-winged Scoter.jpg
Bean goose Anser fabalis 680,000-800,000[98] LC[98] Decrease[98] Sædgås (Anser fabalis).jpg
Canvasback Aythya valisineria 690,000[99] LC[99] Increase[99] Aythya valisineria at Las Gallinas Wildlife Ponds.jpg
American black duck Anas rubripes 700,000[100] LC[100] Decrease[100] No global population estimate given.[100] Anas rubripes PM3.jpg
Common pochard Aythya ferina 760,000-790,000[101] VU[101] Decrease[101] Aythya ferina Sandwell 2.jpg
King eider Somateria spectabilis 800,000-900,000[102] LC[102] Decrease[102] Somateria spectabilis -Central Park Zoo, New York, USA -male-8a.jpg
Barnacle goose Branta leucopsis 880,000[103] LC[103] Increase[103] Branta leucopsis Djurgarden.JPG
Eastern spot-billed duck Anas zonorhyncha 800,000-1,600,000[104] LC[104] Decrease[104] This is for the total population- no mature individuals estimate is given.[104] Duck, Spot Billed specifically Eastern Spot Billed RWD.jpg
Magpie goose Anseranas semipalmata 1,000,000[105] LC[105] Steady[105] Magpie goose.jpg
Rosy-billed pochard Netta peposaca 1,000,000[106] LC[106] Increase[106] Rosy-billed Pochard (Netta peposaca) RWD.jpg
Grey teal Anas gracilis 1,000,000-1,100,000[107] LC[107] Decrease[107] This is the total population estimate. Estimate for mature individuals is not given.[107] Anas gracilis tas.jpg
Greylag goose Anser anser 1,000,000-1,100,000[108] LC[108] Increase[108] European population is 519,000-853,000 mature individuals[108] Greylag Goose - St James's Park, London - Nov 2006.jpg
Common scoter Melanitta nigra 1,070,000[109] LC[109] ?[109] European population estimated at 214,000-263,000 mature individuals.[109] Melanitta nigra.jpg
Hooded merganser Lophodytes cucullatus 1,100,000[110] LC[110] Increase[110] Hooded Merganser (Lophodytes cucullatus) (1).JPG
Redhead Aythya americana 1,200,000[111] LC[111] Increase[111] Redhead - Aythya americana, Oakley Street, Cambridge, Maryland.jpg
Greater scaup Aythya marila 4,900,000-5,199,999[112] LC[112] Decrease[112] Greater-scaup-male2.jpg
Bufflehead Bucephala albeola 1,300,000[113] LC[113] Increase[113] Bucephala-albeola-007.jpg
Fulvous whistling duck Dendrocygna bicolor 1,300,000-1,500,000[114] LC[114] Decrease[114] Dendrocygna bicolor, London Wetland Centre, UK - Diliff.jpg
Common eider Somateria mollissima 1,580,000-1,910,000[115] LC[115] ?[115] Flickr - Rainbirder - Eider drake (Somateria mollissima) in flight.jpg
Common merganser Mergus merganser 1,700,000-2,400,000[116] LC[116] ?[116] European population is 134,000-206,000 mature individuals.[116] Mergus merganser -Sandwell -England -male-8.jpg
White-faced whistling duck Dendrocygna viduata 1,700,000-2,800,000[117] LC[117] Increase[117] White-faced Whistling Duck with chicks RWD.jpg
Ring-necked duck Aythya collaris 2,000,000[118] LC[118] Increase[118] Ring-necked Duck (m) (26265137481).jpg
Ross's goose Anser rossii 2,100,000[119] LC[119] Increase[119] Ross's Goose (Chen rossii) (23108182770).jpg
Garganey Anas querquedula 2,600,000-2,800,000[120] LC[120] Decrease[120] European population includes 704,000-1,050,000 mature individuals.[120] Garganey (Anas querquedula) RWD3.jpg
Tufted duck Aythya fuligula 2,600,000-2,900,000[121] LC[121] Steady[121] Aythya fuligula1.jpg
American wigeon Mareca americana 2,700,000[122] LC[122] Decrease[122] Anas-americana-004.jpg
Common goldeneye Bucephala clangula 2,700,000-4,700,000[123] LC[123] Steady[123] Russian population is 100,000-1,000,000 breeding pairs, and European population is 977,000-1,250,000 mature individuals.[123] Common Goldeneye.jpg
Common teal Anas crecca 2,800,000[124] LC[124] ?[124] European population estimated at 1,110,000-1,830,000 mature individuals. No global estimate given.[124] Common Teal Male (8602525826).jpg
Eurasian wigeon Mareca penelope 2,800,000-3,300,000[125] LC[125] Decrease[125] European population estimated at 9377,000-1,290,000 mature individuals.[125] Mareca penelope kuribo cropped.jpg
Greater white-fronted goose Anser albifrons 3,100,000-3,200,000[126] LC[126] ?[126] Greater white-fronted goose (Anser albifrons) in flight.jpg
Long-tailed duck Clangula hyemalis 3,200-000-3,750,000[127] VU[127] Decrease[127] Long-tailed-duck.jpg
Green-winged teal Anas carolinensis 3,900,000[128] LC[128] Increase[128] No total population given.[128] Green-winged Teal, Port Aransas, Texas.jpg
Gadwall Mareca strepera 4,300,000-4,900,000[129] LC[129] Increase[129] Global population is estimated a 4,300,000-4,900,000 individuals, with the European population containing 151,000-250,000 mature individuals.[129] Anas-strepera-001.jpg
Lesser scaup Aythya affinis 3,700,000[130] LC[130] Steady[130] Lesser scaup - Aythya affinis.jpg
Cackling goose Branta hutchinsii 4,500,000[131] LC[131] Increase[131] Small Cackling Goose Brood.jpg
Wood duck Aix sponsa 4,600,000[132] LC[132] Increase[132] Male Aix sponsa portrait.jpg
Northern pintail Anas acuta 4,700,000-4,800,000[133] LC[133] Decrease[133] Total population is estimated at 7,100,000-7,200,000 individuals. European population includes 419,000-539,000 mature individuals.[133] Northern Pintails (Male & Female) I IMG 0911.jpg
Canada goose Branta canadensis 5,000,000-6,200,000[134] LC[134] Increase[134] Canada Goose (Branta Canadensis).jpg
Northern shoveler Anas clypeata 4,300,000-4,700,000[135] LC[135] Decrease[135] Global population is estimated at 6,500,000-7,000,000 total individuals, and the European population contains 340,000-466,000 mature individuals.[135] Northern Shoveler by Dan Pancamo.jpg
Blue-winged teal Spatula discors 7,800,000[136] LC[136] Increase[136] There is no total population for this estimation- only one for the number of mature individuals.[136] Blue-Winged Teal.jpg
Snow goose Answer caerulescens 16,000,000[137] LC[137] Increase[137] European estimate is 2,000-4,000 mature individuals.[137] Snow goose in Central Park (33138).jpg
Mallard Anas platyrhynchos > c. 19,000,000[138] LC[138] Increase[138] European population estimated at 5,700,000-9,220,000 mature individuals.[138] Mallard in flight.jpg

See also

References

  1. ↑ United States Fish and Wildlife Service (20 July 2012). "Waterfowl Population Status, 2012" (PDF). http://www.fws.gov/migratorybirds/NewReportsPublications/PopulationStatus/Waterfowl/StatusReport2012_final.pdf. 
  2. ↑ BirdLife International (2018). "Tadorna cristata". IUCN Red List of Threatened Species 2018: e.T22680021A132052989. doi:10.2305/IUCN.UK.2018-2.RLTS.T22680021A132052989.en. https://www.iucnredlist.org/species/22680021/132052989. Retrieved 20 November 2021. 
  3. ↑ IUCN (2001). "V. THE CRITERIA FOR CRITICALLY ENDANGERED, ENDANGERED AND VULNERABLE". http://www.iucnredlist.org/static/categories_criteria_3_1#critical. 
  4. ↑ BirdLife International (2016). "Alopochen kervazoi". IUCN Red List of Threatened Species 2016: e.T22729490A95017764. doi:10.2305/IUCN.UK.2016-3.RLTS.T22729490A95017764.en. https://www.iucnredlist.org/species/22729490/95017764. Retrieved 20 November 2021. 
  5. ↑ BirdLife International (2012). "Alopochen mauritianus". IUCN Red List of Threatened Species 2012. https://www.iucnredlist.org/details/160030071/0. Retrieved 2012-11-28. 
  6. ↑ Olson, Storrs L.; Jouventin, Pierre (February 1996). "A new species of small flightless duck from Amsterdam Island, southern Indian Ocean (Anatidae: Anas)" (PDF). The Condor 98 (1): 1–9. doi:10.2307/1369501. http://elibrary.unm.edu/sora/Condor/files/issues/v098n01/p0001-p0009.pdf. Retrieved 2012-12-23. 
  7. ↑ BirdLife International (2016). "Anas marecula". IUCN Red List of Threatened Species 2016: e.T22728666A94993378. doi:10.2305/IUCN.UK.2016-3.RLTS.T22728666A94993378.en. https://www.iucnredlist.org/species/22728666/94993378. Retrieved 20 November 2021. 
  8. ↑ BirdLife International (2016). "Anas theodori". IUCN Red List of Threatened Species 2016: e.T22728662A94993214. doi:10.2305/IUCN.UK.2016-3.RLTS.T22728662A94993214.en. https://www.iucnredlist.org/species/22728662/94993214. Retrieved 20 November 2021. 
  9. ↑ Amidon, Fred (23 Feb 2004). "Endangered and Threatened Wildlife and Plants; Removing the Mariana Mallard and the Guam Broadbill From the Federal List of Endangered and Threatened Wildlife" (PDF). Federal Register 69 (34): 8116–8119. http://ecos.fws.gov/docs/federal_register/fr4224.pdf. Retrieved 2012-12-23. 
  10. ↑ "New Zealand Ecology: Teal". TerraNature Trust. 2010–2011. http://terranature.org/tealbrown.htm. 
  11. ↑ BirdLife International (2016). "Camptorhynchus labradorius". IUCN Red List of Threatened Species 2016: e.T22680418A92862623. doi:10.2305/IUCN.UK.2016-3.RLTS.T22680418A92862623.en. https://www.iucnredlist.org/species/22680418/92862623. Retrieved 20 November 2021. 
  12. ↑ BirdLife International (2016). "Mergus australis". IUCN Red List of Threatened Species 2016: e.T22680496A92864737. doi:10.2305/IUCN.UK.2016-3.RLTS.T22680496A92864737.en. https://www.iucnredlist.org/species/22680496/92864737. Retrieved 20 November 2021. 
  13. ↑ 13.0 13.1 13.2 IUCN (2018-08-09). "Tadorna cristata: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680021A132052989" (in en). IUCN Red List of Threatened Species 2018-08-09. doi:10.2305/iucn.uk.2018-2.rlts.t22680021a132052989.en. https://www.iucnredlist.org/species/22680021/132052989. 
  14. ↑ 14.0 14.1 14.2 14.3 IUCN (2016-10-01). "Aythya innotata: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680380A128903025" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2018-2.rlts.t22680380a128903025.en. https://www.iucnredlist.org/species/22680380/128903025. 
  15. ↑ 15.0 15.1 15.2 15.3 IUCN (2019-02-01). "Mergus octosetaceus: BirdLife International: The IUCN Red List of Threatened Species 2019: e.T22680482A143756439" (in en). IUCN Red List of Threatened Species 2019-02-01. doi:10.2305/iucn.uk.2019-3.rlts.t22680482a143756439.en. https://www.iucnredlist.org/species/22680482/143756439. 
  16. ↑ 16.0 16.1 16.2 IUCN (2019-08-15). "Aythya baeri: BirdLife International: The IUCN Red List of Threatened Species 2019: e.T22680384A154436811" (in en). IUCN Red List of Threatened Species 2019-08-15. doi:10.2305/iucn.uk.2019-3.rlts.t22680384a154436811.en. https://www.iucnredlist.org/species/22680384/154436811. 
  17. ↑ 17.0 17.1 17.2 17.3 IUCN (2016-10-01). "Anas albogularis: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22727280A110106998" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2017-1.rlts.t22727280a110106998.en. https://www.iucnredlist.org/species/22727280/110106998. 
  18. ↑ 18.0 18.1 18.2 IUCN (2016-10-01). "Asarcornis scutulata: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22680064A110103586" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2017-1.rlts.t22680064a110103586.en. https://www.iucnredlist.org/species/22680064/110103586. 
  19. ↑ 19.0 19.1 19.2 19.3 IUCN (2021-01-20). "Anas aucklandica: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22680280A194816119" (in en). IUCN Red List of Threatened Species 2021-01-20. doi:10.2305/iucn.uk.2021-3.rlts.t22680280a194816119.en. https://www.iucnredlist.org/species/22680280/194816119. 
  20. ↑ 20.0 20.1 20.2 BirdLife International (2012). "Cairina scutulata". IUCN Red List of Threatened Species 2012. https://www.iucnredlist.org/details/100600410/0. Retrieved 2012-11-28. 
  21. ↑ 21.0 21.1 21.2 21.3 IUCN (2020-03-25). "Anas nesiotis: BirdLife International: The IUCN Red List of Threatened Species 2020: e.T22724580A171601774" (in en). IUCN Red List of Threatened Species 2020-03-25. doi:10.2305/iucn.uk.2020-3.rlts.t22724580a171601774.en. https://www.iucnredlist.org/species/22724580/171601774. 
  22. ↑ 22.0 22.1 22.2 22.3 IUCN (2018-08-06). "Anas laysanensis: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680203A130697270" (in en). IUCN Red List of Threatened Species 2018-08-06. doi:10.2305/iucn.uk.2018-2.rlts.t22680203a130697270.en. https://www.iucnredlist.org/species/22680203/130697270. 
  23. ↑ 23.0 23.1 23.2 "Anas bernieri: BirdLife International". 2013-11-01. http://dx.doi.org/10.2305/iucn.uk.2013-2.rlts.t22680252a48006358.en. 
  24. ↑ 24.0 24.1 24.2 24.3 IUCN (2016-10-01). "Hymenolaimus malacorhynchos: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680121A92844858" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680121a92844858.en. https://www.iucnredlist.org/species/22680121/92844858. 
  25. ↑ 25.0 25.1 25.2 25.3 IUCN (2021-02-09). "Anas melleri: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22680225A196314602" (in en). IUCN Red List of Threatened Species 2021-02-09. doi:10.2305/iucn.uk.2021-3.rlts.t22680225a196314602.en. https://www.iucnredlist.org/species/22680225/196314602. 
  26. ↑ 26.0 26.1 26.2 26.3 IUCN (2016-10-01). "Anas wyvilliana: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22680199A112386802" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2017-1.rlts.t22680199a112386802.en. https://www.iucnredlist.org/species/22680199/112386802. 
  27. ↑ 27.0 27.1 27.2 IUCN (2016-10-01). "Chauna chavaria: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679726A92826428" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679726a92826428.en. https://www.iucnredlist.org/species/22679726/92826428. 
  28. ↑ 28.0 28.1 28.2 28.3 IUCN (2020-08-24). "Anas chlorotis: BirdLife International: The IUCN Red List of Threatened Species 2020: e.T22728303A182985187" (in en). IUCN Red List of Threatened Species 2020-08-24. doi:10.2305/iucn.uk.2020-3.rlts.t22728303a182985187.en. https://www.iucnredlist.org/species/22728303/182985187. 
  29. ↑ 29.0 29.1 29.2 29.3 IUCN (2016-10-01). "Speculanas specularis: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22680136A118623100" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2017-3.rlts.t22680136a118623100.en. https://www.iucnredlist.org/species/22680136/118623100. 
  30. ↑ 30.0 30.1 30.2 IUCN (2021-01-14). "Branta sandvicensis: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22679929A194369606" (in en). IUCN Red List of Threatened Species 2021-01-14. doi:10.2305/iucn.uk.2021-3.rlts.t22679929a194369606.en. https://www.iucnredlist.org/species/22679929/194369606. 
  31. ↑ 31.0 31.1 31.2 BirdLife International (2016). "Salvadorina waigiuensis". IUCN Red List of Threatened Species 2016: e.T22680127A92845212. doi:10.2305/IUCN.UK.2016-3.RLTS.T22680127A92845212.en. https://www.iucnredlist.org/species/22680127/92845212. Retrieved 20 November 2021. 
  32. ↑ 32.0 32.1 32.2 32.3 IUCN (2016-10-01). "Mergus squamatus: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22680488A118860238" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2017-3.rlts.t22680488a118860238.en. https://www.iucnredlist.org/species/22680488/118860238. 
  33. ↑ 33.0 33.1 33.2 IUCN (2021-09-22). "Cyanochen cyanoptera: BirdLife International: The IUCN Red List of Threatened Species 2022: e.T22679961A208106800" (in en). IUCN Red List of Threatened Species 2021-09-22. doi:10.2305/iucn.uk.2022-1.rlts.t22679961a208106800.en. https://www.iucnredlist.org/species/22679961/208106800. 
  34. ↑ 34.0 34.1 34.2 IUCN (2016-10-01). "Aythya novaeseelandiae: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680395A92860915" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680395a92860915.en. https://www.iucnredlist.org/species/22680395/92860915. 
  35. ↑ 35.0 35.1 35.2 35.3 IUCN (2016-10-01). "Anas luzonica: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680214A92849560" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680214a92849560.en. https://www.iucnredlist.org/species/22680214/92849560. 
  36. ↑ 36.0 36.1 36.2 36.3 IUCN (2018-08-07). "Tachyeres leucocephalus: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680038A132524158" (in en). IUCN Red List of Threatened Species 2018-08-07. doi:10.2305/iucn.uk.2018-2.rlts.t22680038a132524158.en. https://www.iucnredlist.org/species/22680038/132524158. 
  37. ↑ 37.0 37.1 37.2 37.3 IUCN (2021-02-03). "Oxyura maccoa: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22679820A181759055" (in en). IUCN Red List of Threatened Species 2021-02-03. doi:10.2305/iucn.uk.2021-3.rlts.t22679820a181759055.en. https://www.iucnredlist.org/species/22679820/181759055. 
  38. ↑ 38.0 38.1 38.2 38.3 IUCN (2017-10-01). "Oxyura leucocephala: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22679814A119403602" (in en). IUCN Red List of Threatened Species 2017-10-01. doi:10.2305/iucn.uk.2017-3.rlts.t22679814a119403602.en. https://www.iucnredlist.org/species/22679814/119403602. 
  39. ↑ 39.0 39.1 39.2 39.3 IUCN (2019-07-16). "Dendrocygna arborea: BirdLife International: The IUCN Red List of Threatened Species 2019: e.T22679770A154611660" (in en). IUCN Red List of Threatened Species 2019-07-16. doi:10.2305/iucn.uk.2019-3.rlts.t22679770a154611660.en. https://www.iucnredlist.org/species/22679770/154611660. 
  40. ↑ 40.0 40.1 40.2 40.3 IUCN (2016-10-01). "Anas andium: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22735557A95114680" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22735557a95114680.en. https://www.iucnredlist.org/species/22735557/95114680. 
  41. ↑ 41.0 41.1 41.2 IUCN (2020-08-13). "Dendrocygna guttata: BirdLife International: The IUCN Red List of Threatened Species 2020: e.T22679735A181753150" (in en). IUCN Red List of Threatened Species 2020-08-13. doi:10.2305/iucn.uk.2020-3.rlts.t22679735a181753150.en. https://www.iucnredlist.org/species/22679735/181753150. 
  42. ↑ 42.0 42.1 42.2 42.3 IUCN (2018-08-13). "Tachyeres pteneres: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680033A133081668" (in en). IUCN Red List of Threatened Species 2018-08-13. doi:10.2305/iucn.uk.2018-2.rlts.t22680033a133081668.en. https://www.iucnredlist.org/species/22680033/133081668. 
  43. ↑ 43.0 43.1 43.2 43.3 IUCN (2016-10-01). "Anas gibberifrons: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22727271A94945711" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22727271a94945711.en. https://www.iucnredlist.org/species/22727271/94945711. 
  44. ↑ 44.0 44.1 44.2 IUCN (2016-10-01). "Stictonetta naevosa: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679836A92831716" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679836a92831716.en. https://www.iucnredlist.org/species/22679836/92831716. 
  45. ↑ 45.0 45.1 45.2 45.3 IUCN (2018-08-07). "Tachyeres patachonicus: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680052A132524796" (in en). IUCN Red List of Threatened Species 2018-08-07. doi:10.2305/iucn.uk.2018-2.rlts.t22680052a132524796.en. https://www.iucnredlist.org/species/22680052/132524796. 
  46. ↑ 46.0 46.1 46.2 IUCN (2016-10-01). "Thalassornis leuconotus: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679785A92830036" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679785a92830036.en. https://www.iucnredlist.org/species/22679785/92830036. 
  47. ↑ 47.0 47.1 47.2 IUCN (2016-10-01). "Neochen jubata: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679987A92837649" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679987a92837649.en. https://www.iucnredlist.org/species/22679987/92837649. 
  48. ↑ 48.0 48.1 48.2 IUCN (2018-08-09). "Cereopsis novaehollandiae: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22679958A131910442" (in en). IUCN Red List of Threatened Species 2018-08-09. doi:10.2305/iucn.uk.2018-2.rlts.t22679958a131910442.en. https://www.iucnredlist.org/species/22679958/131910442. 
  49. ↑ 49.0 49.1 49.2 BirdLife International (2018). "Tachyeres patachonicus". IUCN Red List of Threatened Species 2018: e.T22680052A132524796. doi:10.2305/IUCN.UK.2018-2.RLTS.T22680052A132524796.en. https://www.iucnredlist.org/species/22680052/132524796. Retrieved 20 November 2021. 
  50. ↑ 50.0 50.1 50.2 IUCN (2016-10-01). "Merganetta armata: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680118A92844656" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680118a92844656.en. https://www.iucnredlist.org/species/22680118/92844656. 
  51. ↑ 51.0 51.1 51.2 IUCN (2016-10-01). "Biziura lobata: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679830A92831295" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679830a92831295.en. https://www.iucnredlist.org/species/22679830/92831295. 
  52. ↑ 52.0 52.1 52.2 52.3 IUCN (2016-10-01). "Spatula smithii: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680236A92852018" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680236a92852018.en. https://www.iucnredlist.org/species/22680236/92852018. 
  53. ↑ 53.0 53.1 53.2 53.3 IUCN (2021-11-15). "Oxyura australis: BirdLife International: The IUCN Red List of Threatened Species 2022: e.T22679827A210733513" (in en). IUCN Red List of Threatened Species 2021-11-15. doi:10.2305/iucn.uk.2022-1.rlts.t22679827a210733513.en. https://www.iucnredlist.org/species/22679827/210733513. 
  54. ↑ 54.0 54.1 54.2 IUCN (2018-08-06). "Anser erythropus: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22679886A132300164" (in en). IUCN Red List of Threatened Species 2018-08-06. doi:10.2305/iucn.uk.2018-2.rlts.t22679886a132300164.en. https://www.iucnredlist.org/species/22679886/132300164. 
  55. ↑ 55.0 55.1 55.2 55.3 IUCN (2019-11-29). "Nomonyx dominicus: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22679789A137758280" (in en). IUCN Red List of Threatened Species 2019-11-29. doi:10.2305/iucn.uk.2021-3.rlts.t22679789a137758280.en. https://www.iucnredlist.org/species/22679789/137758280. 
  56. ↑ 56.0 56.1 56.2 IUCN (2020-11-13). "Oxyura vittata: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22679824A189960778" (in en). IUCN Red List of Threatened Species 2020-11-13. doi:10.2305/iucn.uk.2021-3.rlts.t22679824a189960778.en. https://www.iucnredlist.org/species/22679824/189960778. 
  57. ↑ 57.0 57.1 57.2 IUCN (2021-01-19). "Callonetta leucophrys: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22680101A194736119" (in en). IUCN Red List of Threatened Species 2021-01-19. doi:10.2305/iucn.uk.2021-3.rlts.t22680101a194736119.en. https://www.iucnredlist.org/species/22680101/194736119. 
  58. ↑ 58.0 58.1 58.2 IUCN (2016-10-01). "Sarkidiornis sylvicola: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22724744A94877265" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22724744a94877265.en. https://www.iucnredlist.org/species/22724744/94877265. 
  59. ↑ 59.0 59.1 59.2 IUCN (2016-10-01). "Pteronetta hartlaubii: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680070A92841893" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680070a92841893.en. https://www.iucnredlist.org/species/22680070/92841893. 
  60. ↑ 60.0 60.1 60.2 60.3 IUCN (2016-10-01). "Anas eatoni: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680306A92854679" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680306a92854679.en. https://www.iucnredlist.org/species/22680306/92854679. 
  61. ↑ 61.0 61.1 61.2 61.3 IUCN (2016-10-01). "Oxyura ferruginea: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22727757A94961092" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22727757a94961092.en. https://www.iucnredlist.org/species/22727757/94961092. 
  62. ↑ 62.0 62.1 62.2 62.3 BirdLife International (2017). "Branta ruficollis". IUCN Red List of Threatened Species 2017: e.T22679954A118577901. doi:10.2305/IUCN.UK.2017-3.RLTS.T22679954A118577901.en. https://www.iucnredlist.org/species/22679954/118577901. Retrieved 20 November 2021. 
  63. ↑ 63.0 63.1 63.2 IUCN (2016-10-01). "Chloephaga rubidiceps: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679984A92837451" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679984a92837451.en. https://www.iucnredlist.org/species/22679984/92837451. 
  64. ↑ 64.0 64.1 64.2 64.3 IUCN (2016-10-01). "Branta ruficollis: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22679954A118577901" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2017-3.rlts.t22679954a118577901.en. https://www.iucnredlist.org/species/22679954/118577901. 
  65. ↑ 65.0 65.1 65.2 IUCN (2020-08-21). "Cygnus buccinator: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22679859A136992006" (in en). IUCN Red List of Threatened Species 2020-08-21. doi:10.2305/iucn.uk.2021-3.rlts.t22679859a136992006.en. https://www.iucnredlist.org/species/22679859/136992006. 
  66. ↑ 66.0 66.1 66.2 66.3 IUCN (2016-10-01). "Marmaronetta angustirostris: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22680339A110054350" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2017-1.rlts.t22680339a110054350.en. https://www.iucnredlist.org/species/22680339/110054350. 
  67. ↑ 67.0 67.1 67.2 IUCN (2018-08-09). "Cairina moschata: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680061A131911211" (in en). IUCN Red List of Threatened Species 2018-08-09. doi:10.2305/iucn.uk.2018-2.rlts.t22680061a131911211.en. https://www.iucnredlist.org/species/22680061/131911211. 
  68. ↑ 68.0 68.1 68.2 IUCN (2016-10-01). "Anser cygnoid: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679869A92832782" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679869a92832782.en. https://www.iucnredlist.org/species/22679869/92832782. 
  69. ↑ 69.0 69.1 69.2 69.3 IUCN (2018-08-09). "Aix galericulata: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680107A131911544" (in en). IUCN Red List of Threatened Species 2018-08-09. doi:10.2305/iucn.uk.2018-2.rlts.t22680107a131911544.en. https://www.iucnredlist.org/species/22680107/131911544. 
  70. ↑ 70.0 70.1 70.2 IUCN (2016-10-01). "Anser canagicus: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679919A92834737" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679919a92834737.en. https://www.iucnredlist.org/species/22679919/92834737. 
  71. ↑ 71.0 71.1 71.2 IUCN (2016-10-01). "Mareca falcata: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680153A92846435" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680153a92846435.en. https://www.iucnredlist.org/species/22680153/92846435. 
  72. ↑ 72.0 72.1 72.2 IUCN (2018-08-09). "Cygnus atratus: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22679843A131907524" (in en). IUCN Red List of Threatened Species 2018-08-09. doi:10.2305/iucn.uk.2018-2.rlts.t22679843a131907524.en. https://www.iucnredlist.org/species/22679843/131907524. 
  73. ↑ 73.0 73.1 73.2 IUCN (2016-10-01). "Anser brachyrhynchus: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679872A85978254" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679872a85978254.en. https://www.iucnredlist.org/species/22679872/85978254. 
  74. ↑ 74.0 74.1 74.2 74.3 IUCN (2016-10-01). "Mergellus albellus: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680465A85991357" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680465a85991357.en. https://www.iucnredlist.org/species/22680465/85991357. 
  75. ↑ 75.0 75.1 75.2 IUCN (2018-08-07). "Polysticta stelleri: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680415A132527232" (in en). IUCN Red List of Threatened Species 2018-08-07. doi:10.2305/iucn.uk.2018-2.rlts.t22680415a132527232.en. https://www.iucnredlist.org/species/22680415/132527232. 
  76. ↑ 76.0 76.1 76.2 IUCN (2016-10-01). "Nettapus coromandelianus: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680090A92842427" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680090a92842427.en. https://www.iucnredlist.org/species/22680090/92842427. 
  77. ↑ 77.0 77.1 77.2 IUCN (2020-09-01). "Melanitta fusca: BirdLife International: The IUCN Red List of Threatened Species 2020: e.T22724836A183801134" (in en). IUCN Red List of Threatened Species 2020-09-01. doi:10.2305/iucn.uk.2020-3.rlts.t22724836a183801134.en. https://www.iucnredlist.org/species/22724836/183801134. 
  78. ↑ 78.0 78.1 78.2 78.3 IUCN (2016-10-01). "Anas poecilorhyncha: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22736541A95137190" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22736541a95137190.en. https://www.iucnredlist.org/species/22736541/95137190. 
  79. ↑ 79.0 79.1 79.2 IUCN (2016-10-01). "Cygnus olor: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679839A85946855" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679839a85946855.en. https://www.iucnredlist.org/species/22679839/85946855. 
  80. ↑ 80.0 80.1 80.2 80.3 IUCN (2016-10-01). "Tadorna ferruginea: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680003A86011049" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680003a86011049.en. https://www.iucnredlist.org/species/22680003/86011049. 
  81. ↑ 81.0 81.1 81.2 81.3 IUCN (2020-07-27). "Bucephala islandica: BirdLife International: The IUCN Red List of Threatened Species 2020: e.T22680459A180118783" (in en). IUCN Red List of Threatened Species 2020-07-27. doi:10.2305/iucn.uk.2020-3.rlts.t22680459a180118783.en. https://www.iucnredlist.org/species/22680459/180118783. 
  82. ↑ 82.0 82.1 82.2 82.3 IUCN (2016-10-01). "Cygnus cygnus: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679856A85965262" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679856a85965262.en. https://www.iucnredlist.org/species/22679856/85965262. 
  83. ↑ 83.0 83.1 83.2 IUCN (2019-06-12). "Aythya nyroca: BirdLife International: The IUCN Red List of Threatened Species 2019: e.T22680373A152620862" (in en). IUCN Red List of Threatened Species 2019-06-12. doi:10.2305/iucn.uk.2019-3.rlts.t22680373a152620862.en. https://www.iucnredlist.org/species/22680373/152620862. 
  84. ↑ 84.0 84.1 84.2 84.3 IUCN (2016-10-01). "Anas superciliosa: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680217A92849931" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680217a92849931.en. https://www.iucnredlist.org/species/22680217/92849931. 
  85. ↑ 85.0 85.1 85.2 85.3 IUCN (2018-08-07). "Histrionicus histrionicus: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680423A132527785" (in en). IUCN Red List of Threatened Species 2018-08-07. doi:10.2305/iucn.uk.2018-2.rlts.t22680423a132527785.en. https://www.iucnredlist.org/species/22680423/132527785. 
  86. ↑ 86.0 86.1 86.2 IUCN (2016-10-01). "Dendrocygna javanica: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679758A92828691" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679758a92828691.en. https://www.iucnredlist.org/species/22679758/92828691. 
  87. ↑ 87.0 87.1 87.2 IUCN (2020-11-12). "Dendrocygna autumnalis: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22679780A138940651" (in en). IUCN Red List of Threatened Species 2020-11-12. doi:10.2305/iucn.uk.2021-3.rlts.t22679780a138940651.en. https://www.iucnredlist.org/species/22679780/138940651. 
  88. ↑ 88.0 88.1 88.2 IUCN (2020-09-04). "Somateria fischeri: BirdLife International: The IUCN Red List of Threatened Species 2020: e.T22680412A180227232" (in en). IUCN Red List of Threatened Species 2020-09-04. doi:10.2305/iucn.uk.2020-3.rlts.t22680412a180227232.en. https://www.iucnredlist.org/species/22680412/180227232. 
  89. ↑ 89.0 89.1 89.2 IUCN (2018-08-07). "Melanitta perspicillata: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680441A132528934" (in en). IUCN Red List of Threatened Species 2018-08-07. doi:10.2305/iucn.uk.2018-2.rlts.t22680441a132528934.en. https://www.iucnredlist.org/species/22680441/132528934. 
  90. ↑ 90.0 90.1 90.2 90.3 IUCN (2016-10-01). "Cygnus columbianus: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679862A89644875" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679862a89644875.en. https://www.iucnredlist.org/species/22679862/89644875. 
  91. ↑ 91.0 91.1 91.2 IUCN (2020-08-28). "Melanitta americana: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22732425A178236617" (in en). IUCN Red List of Threatened Species 2020-08-28. doi:10.2305/iucn.uk.2021-3.rlts.t22732425a178236617.en. https://www.iucnredlist.org/species/22732425/178236617. 
  92. ↑ 92.0 92.1 92.2 IUCN (2020-11-13). "Spatula cyanoptera: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22680233A139370416" (in en). IUCN Red List of Threatened Species 2020-11-13. doi:10.2305/iucn.uk.2021-3.rlts.t22680233a139370416.en. https://www.iucnredlist.org/species/22680233/139370416. 
  93. ↑ 93.0 93.1 93.2 IUCN (2018-08-07). "Melanitta stejnegeri: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22724845A132655325" (in en). IUCN Red List of Threatened Species 2018-08-07. doi:10.2305/iucn.uk.2018-2.rlts.t22724845a132655325.en. https://www.iucnredlist.org/species/22724845/132655325. 
  94. ↑ 94.0 94.1 94.2 IUCN (2019-08-14). "Tadorna tadorna: BirdLife International: The IUCN Red List of Threatened Species 2019: e.T22680024A154560262" (in en). IUCN Red List of Threatened Species 2019-08-14. doi:10.2305/iucn.uk.2019-3.rlts.t22680024a154560262.en. https://www.iucnredlist.org/species/22680024/154560262. 
  95. ↑ 95.0 95.1 95.2 95.3 IUCN (2016-10-01). "Netta rufina: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680348A86012189" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680348a86012189.en. https://www.iucnredlist.org/species/22680348/86012189. 
  96. ↑ 96.0 96.1 96.2 96.3 IUCN (2020-11-12). "Branta bernicla: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22679946A189780266" (in en). IUCN Red List of Threatened Species 2020-11-12. doi:10.2305/iucn.uk.2021-3.rlts.t22679946a189780266.en. https://www.iucnredlist.org/species/22679946/189780266. 
  97. ↑ 97.0 97.1 97.2 BirdLife International (2018). "Melanitta stejnegeri". IUCN Red List of Threatened Species 2018: e.T22724845A132655325. doi:10.2305/IUCN.UK.2018-2.RLTS.T22724845A132655325.en. https://www.iucnredlist.org/species/22724845/132655325. Retrieved 20 November 2021. 
  98. ↑ 98.0 98.1 98.2 IUCN (2018-08-09). "Anser fabalis: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22679875A132302864" (in en). IUCN Red List of Threatened Species 2018-08-09. doi:10.2305/iucn.uk.2018-2.rlts.t22679875a132302864.en. https://www.iucnredlist.org/species/22679875/132302864. 
  99. ↑ 99.0 99.1 99.2 IUCN (2020-11-13). "Aythya valisineria: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22680364A137943278" (in en). IUCN Red List of Threatened Species 2020-11-13. doi:10.2305/iucn.uk.2021-3.rlts.t22680364a137943278.en. https://www.iucnredlist.org/species/22680364/137943278. 
  100. ↑ 100.0 100.1 100.2 100.3 IUCN (2020-11-13). "Anas rubripes: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22680174A137023072" (in en). IUCN Red List of Threatened Species 2020-11-13. doi:10.2305/iucn.uk.2021-3.rlts.t22680174a137023072.en. https://www.iucnredlist.org/species/22680174/137023072. 
  101. ↑ 101.0 101.1 101.2 IUCN (2021-08-18). "Aythya ferina: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22680358A205288455" (in en). IUCN Red List of Threatened Species 2021-08-18. doi:10.2305/iucn.uk.2021-3.rlts.t22680358a205288455.en. https://www.iucnredlist.org/species/22680358/205288455. 
  102. ↑ 102.0 102.1 102.2 IUCN (2018-08-07). "Somateria spectabilis: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680409A132526730" (in en). IUCN Red List of Threatened Species 2018-08-07. doi:10.2305/iucn.uk.2018-2.rlts.t22680409a132526730.en. https://www.iucnredlist.org/species/22680409/132526730. 
  103. ↑ 103.0 103.1 103.2 IUCN (2018-08-09). "Branta leucopsis: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22679943A131909954" (in en). IUCN Red List of Threatened Species 2018-08-09. doi:10.2305/iucn.uk.2018-2.rlts.t22679943a131909954.en. https://www.iucnredlist.org/species/22679943/131909954. 
  104. ↑ 104.0 104.1 104.2 104.3 IUCN (2018-08-06). "Anas zonorhyncha: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22736042A132303839" (in en). IUCN Red List of Threatened Species 2018-08-06. doi:10.2305/iucn.uk.2018-2.rlts.t22736042a132303839.en. https://www.iucnredlist.org/species/22736042/132303839. 
  105. ↑ 105.0 105.1 105.2 BirdLife International (2016). "Anseranas semipalmata". IUCN Red List of Threatened Species 2016: e.T22679732A92826979. doi:10.2305/IUCN.UK.2016-3.RLTS.T22679732A92826979.en. https://www.iucnredlist.org/species/22679732/92826979. Retrieved 20 November 2021. 
  106. ↑ 106.0 106.1 106.2 IUCN (2016-10-01). "Netta peposaca: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680351A92856953" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680351a92856953.en. https://www.iucnredlist.org/species/22680351/92856953. 
  107. ↑ 107.0 107.1 107.2 107.3 IUCN (2016-10-01). "Anas gracilis: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680271A92853108" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680271a92853108.en. https://www.iucnredlist.org/species/22680271/92853108. 
  108. ↑ 108.0 108.1 108.2 108.3 IUCN (2018-08-09). "Anser anser: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22679889A131907747" (in en). IUCN Red List of Threatened Species 2018-08-09. doi:10.2305/iucn.uk.2018-2.rlts.t22679889a131907747.en. https://www.iucnredlist.org/species/22679889/131907747. 
  109. ↑ 109.0 109.1 109.2 109.3 IUCN (2018-08-07). "Melanitta nigra: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22724879A132257623" (in en). IUCN Red List of Threatened Species 2018-08-07. doi:10.2305/iucn.uk.2018-2.rlts.t22724879a132257623.en. https://www.iucnredlist.org/species/22724879/132257623. 
  110. ↑ 110.0 110.1 110.2 IUCN (2020-11-13). "Lophodytes cucullatus: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22680472A137932133" (in en). IUCN Red List of Threatened Species 2020-11-13. doi:10.2305/iucn.uk.2021-3.rlts.t22680472a137932133.en. https://www.iucnredlist.org/species/22680472/137932133. 
  111. ↑ 111.0 111.1 111.2 IUCN (2020-11-13). "Aythya americana: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22680367A137752425" (in en). IUCN Red List of Threatened Species 2020-11-13. doi:10.2305/iucn.uk.2021-3.rlts.t22680367a137752425.en. https://www.iucnredlist.org/species/22680367/137752425. 
  112. ↑ 112.0 112.1 112.2 BirdLife International (2018). "Aythya marila". IUCN Red List of Threatened Species 2018: e.T22680398A132525108. doi:10.2305/IUCN.UK.2018-2.RLTS.T22680398A132525108.en. https://www.iucnredlist.org/species/22680398/132525108. Retrieved 20 November 2021. 
  113. ↑ 113.0 113.1 113.2 IUCN (2021-10-07). "Bucephala albeola: BirdLife International: The IUCN Red List of Threatened Species 2022: e.T22680462A137784330" (in en). IUCN Red List of Threatened Species 2021-10-07. doi:10.2305/iucn.uk.2022-1.rlts.t22680462a137784330.en. https://www.iucnredlist.org/species/22680462/137784330. 
  114. ↑ 114.0 114.1 114.2 IUCN (2016-10-01). "Dendrocygna bicolor: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679746A92827620" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679746a92827620.en. https://www.iucnredlist.org/species/22679746/92827620. 
  115. ↑ 115.0 115.1 115.2 IUCN (2018-08-07). "Somateria mollissima: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680405A132525971" (in en). IUCN Red List of Threatened Species 2018-08-07. doi:10.2305/iucn.uk.2018-2.rlts.t22680405a132525971.en. https://www.iucnredlist.org/species/22680405/132525971. 
  116. ↑ 116.0 116.1 116.2 116.3 IUCN (2018-08-07). "Mergus merganser: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680492A132054083" (in en). IUCN Red List of Threatened Species 2018-08-07. doi:10.2305/iucn.uk.2018-2.rlts.t22680492a132054083.en. https://www.iucnredlist.org/species/22680492/132054083. 
  117. ↑ 117.0 117.1 117.2 IUCN (2016-10-01). "Dendrocygna viduata: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679763A92829021" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679763a92829021.en. https://www.iucnredlist.org/species/22679763/92829021. 
  118. ↑ 118.0 118.1 118.2 IUCN (2020-11-13). "Aythya collaris: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22680370A137908133" (in en). IUCN Red List of Threatened Species 2020-11-13. doi:10.2305/iucn.uk.2021-3.rlts.t22680370a137908133.en. https://www.iucnredlist.org/species/22680370/137908133. 
  119. ↑ 119.0 119.1 119.2 IUCN (2020-11-12). "Anser rossii: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22679909A136898830" (in en). IUCN Red List of Threatened Species 2020-11-12. doi:10.2305/iucn.uk.2021-3.rlts.t22679909a136898830.en. https://www.iucnredlist.org/species/22679909/136898830. 
  120. ↑ 120.0 120.1 120.2 120.3 IUCN (2016-10-01). "Spatula querquedula: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680313A86016410" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680313a86016410.en. https://www.iucnredlist.org/species/22680313/86016410. 
  121. ↑ 121.0 121.1 121.2 BirdLife International (2016). "Aythya fuligula". IUCN Red List of Threatened Species 2016: e.T22680391A86013549. doi:10.2305/IUCN.UK.2016-3.RLTS.T22680391A86013549.en. https://www.iucnredlist.org/species/22680391/86013549. Retrieved 20 November 2021. 
  122. ↑ 122.0 122.1 122.2 IUCN (2020-11-13). "Mareca americana: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22680163A137010293" (in en). IUCN Red List of Threatened Species 2020-11-13. doi:10.2305/iucn.uk.2021-3.rlts.t22680163a137010293.en. https://www.iucnredlist.org/species/22680163/137010293. 
  123. ↑ 123.0 123.1 123.2 123.3 IUCN (2018-08-07). "Bucephala clangula: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680455A132529366" (in en). IUCN Red List of Threatened Species 2018-08-07. doi:10.2305/iucn.uk.2018-2.rlts.t22680455a132529366.en. https://www.iucnredlist.org/species/22680455/132529366. 
  124. ↑ 124.0 124.1 124.2 124.3 IUCN (2020-08-13). "Anas crecca: BirdLife International: The IUCN Red List of Threatened Species 2020: e.T22680321A181692388" (in en). IUCN Red List of Threatened Species 2020-08-13. doi:10.2305/iucn.uk.2020-3.rlts.t22680321a181692388.en. https://www.iucnredlist.org/species/22680321/181692388. 
  125. ↑ 125.0 125.1 125.2 125.3 IUCN (2016-10-01). "Mareca penelope: BirdLife International: The IUCN Red List of Threatened Species 2017: e.T22680157A111892532" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2017-1.rlts.t22680157a111892532.en. https://www.iucnredlist.org/species/22680157/111892532. 
  126. ↑ 126.0 126.1 126.2 IUCN (2016-10-01). "Anser albifrons: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22679881A85980652" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22679881a85980652.en. https://www.iucnredlist.org/species/22679881/85980652. 
  127. ↑ 127.0 127.1 127.2 IUCN (2018-08-07). "Clangula hyemalis: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22680427A132528200" (in en). IUCN Red List of Threatened Species 2018-08-07. doi:10.2305/iucn.uk.2018-2.rlts.t22680427a132528200.en. https://www.iucnredlist.org/species/22680427/132528200. 
  128. ↑ 128.0 128.1 128.2 128.3 IUCN (2020-08-13). "Anas carolinensis: BirdLife International: The IUCN Red List of Threatened Species 2020: e.T22729498A181562690" (in en). IUCN Red List of Threatened Species 2020-08-13. doi:10.2305/iucn.uk.2020-3.rlts.t22729498a181562690.en. https://www.iucnredlist.org/species/22729498/181562690. 
  129. ↑ 129.0 129.1 129.2 129.3 IUCN (2016-10-01). "Mareca strepera: BirdLife International: The IUCN Red List of Threatened Species 2016: e.T22680149A86020572" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2016-3.rlts.t22680149a86020572.en. https://www.iucnredlist.org/species/22680149/86020572. 
  130. ↑ 130.0 130.1 130.2 IUCN (2020-11-13). "Aythya affinis: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22680402A139381357" (in en). IUCN Red List of Threatened Species 2020-11-13. doi:10.2305/iucn.uk.2021-3.rlts.t22680402a139381357.en. https://www.iucnredlist.org/species/22680402/139381357. 
  131. ↑ 131.0 131.1 131.2 IUCN (2020-11-12). "Branta hutchinsii: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22733619A139214707" (in en). IUCN Red List of Threatened Species 2020-11-12. doi:10.2305/iucn.uk.2021-3.rlts.t22733619a139214707.en. https://www.iucnredlist.org/species/22733619/139214707. 
  132. ↑ 132.0 132.1 132.2 IUCN (2020-11-12). "Aix sponsa: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22680104A136999461" (in en). IUCN Red List of Threatened Species 2020-11-12. doi:10.2305/iucn.uk.2021-3.rlts.t22680104a136999461.en. https://www.iucnredlist.org/species/22680104/136999461. 
  133. ↑ 133.0 133.1 133.2 133.3 IUCN (2019-08-13). "Anas acuta: BirdLife International: The IUCN Red List of Threatened Species 2019: e.T22680301A153882797" (in en). IUCN Red List of Threatened Species 2019-08-13. doi:10.2305/iucn.uk.2019-3.rlts.t22680301a153882797.en. https://www.iucnredlist.org/species/22680301/153882797. 
  134. ↑ 134.0 134.1 134.2 IUCN (2018-08-09). "Branta canadensis: BirdLife International: The IUCN Red List of Threatened Species 2018: e.T22679935A131909406" (in en). IUCN Red List of Threatened Species 2018-08-09. doi:10.2305/iucn.uk.2018-2.rlts.t22679935a131909406.en. https://www.iucnredlist.org/species/22679935/131909406. 
  135. ↑ 135.0 135.1 135.2 135.3 IUCN (2019-08-14). "Spatula clypeata: BirdLife International: The IUCN Red List of Threatened Species 2019: e.T22680247A153875944" (in en). IUCN Red List of Threatened Species 2019-08-14. doi:10.2305/iucn.uk.2019-3.rlts.t22680247a153875944.en. https://www.iucnredlist.org/species/22680247/153875944. 
  136. ↑ 136.0 136.1 136.2 136.3 IUCN (2020-11-12). "Spatula discors: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22680229A137731845" (in en). IUCN Red List of Threatened Species 2020-11-12. doi:10.2305/iucn.uk.2021-3.rlts.t22680229a137731845.en. https://www.iucnredlist.org/species/22680229/137731845. 
  137. ↑ 137.0 137.1 137.2 137.3 IUCN (2020-11-12). "Anser caerulescens: BirdLife International: The IUCN Red List of Threatened Species 2021: e.T22679896A157448765" (in en). IUCN Red List of Threatened Species 2020-11-12. doi:10.2305/iucn.uk.2021-3.rlts.t22679896a157448765.en. https://www.iucnredlist.org/species/22679896/157448765. 
  138. ↑ 138.0 138.1 138.2 138.3 IUCN (2016-10-01). "Anas platyrhynchos: BirdLife International: The IUCN Red List of Threatened Species 2019: e.T22680186A155457360" (in en). IUCN Red List of Threatened Species 2016-10-01. doi:10.2305/iucn.uk.2019-3.rlts.t22680186a155457360.en. https://www.iucnredlist.org/species/22680186/155457360. 



Retrieved from "https://handwiki.org/wiki/index.php?title=Biology:List_of_Anseriformes_by_population&oldid=3692345"