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Taxonomie




Ordre
Famille
Espèce
Population
Abandonné Année d’estimation de la taille Taille de population Qualité de l’estimation de la taille Références bibliographiques sur la taille Année d’estimation de la tendance Tendance Qualité de l’estimation de la tendance Références bibliographiques sur la tendance Seuil de 1% de la population Année de seuil Notes
Anseriformes
Anatidae
Netta rufina (Red-crested Pochard)
Western & Central Asia/South-west Asia 2003 - 2005 250,000 - 400,000 Expert opinion [R913] 1995 - 2005 Unknown No idea 3200 2012 [T6091]
South Asia (non-bre) 0 - 0 100,000 - 100,000 No quality assessment [R407] 0 - 0 Unknown No idea 1000 2012
Netta peposaca (Rosy-billed Pochard)
S South America 1993 - 1993 1,000,000 - 1,000,001 Best guess [R119] 1982 - 1992 INC No quality assessment [R15] 20000 2012
Netta erythrophthalma (Southern Pochard)
brunnea, Southern & Eastern Africa 1990 - 1995 30,000 - 70,000 Expert opinion [R578] 1986 - 1996 STA Poor [R578] 460 2012
erythrophthalma, Venezuela 0 - 0 1 - 2,500 No quality assessment [R627] 1975 - 1985 DEC No quality assessment [R237] 1 2012 [P2308]
erythropthalma, E South America 0 - 0 1 - 25,000 Best guess [R627] 0 - 0 Unknown No idea 250 2012 [P2309]
Aythya ferina (Common Pochard)
North-east Europe/North-west Europe 1995 - 2005 300,000 - 300,000 Expert opinion [R456] 1997 - 2007 DEC Good [R888] 3000 2012 [T6097]
Central & NE Europe/Black Sea & Mediterranean 1995 - 2005 800,000 - 800,000 Expert opinion [R692] 1997 - 2007 DEC Reasonable [R888] 8000 2012 [T6098]
Western Siberia/South-west Asia 1987 - 1991 350,000 - 350,000 Expert opinion [R519] 1997 - 2007 Unknown No idea 3500 2012 [T6099]
South Asia (non-bre) 0 - 0 200,000 - 500,000 No quality assessment [R407] 1977 - 1991 STA No quality assessment [R519] 3200 2012 [S8093]
E Asia (non-bre) 0 - 0 300,000 - 300,000 No quality assessment [R460] 0 - 0 Unknown No idea 3000 2012 [S8094]
Aythya americana (Redhead)
N America 2011 - 2011 1,350,000 - 1,360,000 Expert opinion [R1202] 2002 - 2011 INC No quality assessment [R1202] 13600 2012
Aythya valisineria (Canvasback)
N America 2011 - 2011 692,000 - 692,000 Expert opinion [R1202] 2002 - 2011 INC No quality assessment [R1202] 6900 2012
Aythya australis (Hardhead)
australis 1986 - 2011 100,000 - 1,000,000 Best guess [R1085] [R1102] [R1112] [R1148] [R1149] 1982 - 2011 FLU Poor [R1101] 10000 2012 [S8104] [T6111]
extima 0 - 0 1 - 1,000 No quality assessment [R627] 0 - 0 Unknown No idea 1 2012
Aythya innotata (Madagascar Pochard)
Madagascar 2012 - 2012 20 - 20 Census based [R1262] 2006 - 2012 STA Good [R1262] 1 2012
Aythya baeri (Baer's Pochard)
C, E, SE & S Asia 0 - 0 250 - 1,000 Expert opinion [R1090] 1995 - 2005 DEC No quality assessment [R64] 5 2012 [T6110]
Aythya nyroca (Ferruginous Duck)
West Mediterranean/North & West Africa 2004 - 2004 2,400 - 2,600 Expert opinion [R192] 1993 - 2003 DEC Poor [R270] 25 2012
Eastern Europe/E Mediterranean & Sahelian Africa 2010 - 2010 50,000 - 50,001 Expert opinion [R910] 1980 - 1990 INC Poor [R910] 500 2012 [S8099]
Western Asia/SW Asia & NE Africa 1995 - 1996 25,000 - 100,000 Best guess [R181] [R257] 1987 - 1991 DEC Reasonable [R519] 1000 2012
S, E & SE Asia (non-bre) 2005 - 2005 100,000 - 100,000 No quality assessment [R64] 1977 - 1991 DEC No quality assessment [R519] 1000 2012 [S8101]
Aythya novaeseelandiae (New Zealand Scaup)
New Zealand 0 - 0 5,000 - 10,000 No quality assessment [R268] 1980 - 1990 INC No quality assessment [R268] 70 2012
Aythya collaris (Ring-necked Duck)
N America 0 - 0 1,470,000 - 1,470,000 No quality assessment [R656] 1955 - 2001 STA No quality assessment [R651] 14700 2012
Aythya fuligula (Tufted Duck)
North-west Europe (win) 1995 - 1996 1,200,000 - 1,200,000 Expert opinion [R181] 1997 - 2007 INC Good [R888] 12000 2012 [T6113]
Central Europe, Black Sea & Mediterranean (win) 1995 - 1996 600,000 - 600,000 Expert opinion [R181] 1997 - 2007 DEC Good [R63] [R888] 6000 2012 [T6114]
Western Siberia/SW Asia & NE Africa 2003 - 2005 300,000 - 300,000 Expert opinion [R913] 1990 - 2000 STA No idea [R66] 3000 2012
C & South Asia (non-bre) 0 - 0 300,000 - 500,000 No quality assessment [R407] 0 - 0 Unknown No idea 3900 2012 [S8109]
E & SE Asia (non-bre) 0 - 0 200,000 - 300,000 No quality assessment [R460] 0 - 0 Unknown No idea 2400 2012 [S8110]
Aythya marila (Greater Scaup)
marila, Northern Europe/Western Europe 1991 - 1991 310,000 - 310,000 Expert opinion [R399] 1997 - 2007 DEC Reasonable [R63] [R888] 3100 2012 [T6119]
marila, Western Siberia/Black Sea & Caspian 1990 - 1995 100,000 - 200,000 Best guess [R578] 1990 - 2000 STA No idea [R66] 1400 2012
nearctica, E Asia 0 - 0 200,000 - 300,000 No quality assessment [R455] 0 - 0 Unknown No idea 2400 2012 [P2335] [S8114]
nearctica, North America 2011 - 2011 4,310,000 - 4,320,000 Expert opinion [R1202] 1955 - 1998 STA No quality assessment [R6] 43200 2012 [P2336] [S8115]
Aythya affinis (Lesser Scaup)
N & C America 0 - 0 2,950,000 - 2,950,000 No quality assessment [R656] 1955 - 1998 DEC No quality assessment [R6] 29500 2012 [S8116]
Rhodonessa caryophyllacea (Pink-headed Duck)
NE India, Myanmar 2005 - 2005 0 - 50 No quality assessment [R64] 1949 - 2005 EXT? No quality assessment [R64] 1 2012 [S8081]
Salvadorina waigiuensis (Salvadori's Teal)
New Guinea 0 - 0 1 - 25,000 Best guess [R115] 1995 - 2005 DEC No quality assessment [R64] 250 2012 [S7956]
Tachyeres patachonicus (Flying Steamerduck)
S Chile & Argentina 2001 - 2001 1 - 25,000 Best guess [R570] 1990 - 2000 DEC No quality assessment [R570] 250 2012
Falkland Islands (Malvinas) 0 - 0 600 - 1,200 No quality assessment [R709] 0 - 0 Unknown No idea 8 2012
Tachyeres leucocephalus (White-headed Steamerduck)
Argentina 2006 - 2008 3,420 - 3,680 Census based [R1002] 2001 - 2010 STA Good [R115] 35 2012
Tachyeres pteneres (Magellanic Steamerduck)
S South America 0 - 0 10,000 - 100,000 Best guess [R214] 1972 - 1992 STA No quality assessment [R214] 1000 2012
Tachyeres brachypterus (Falkland Steamerduck)
Falkland Islands (Malvinas) 0 - 0 27,000 - 48,000 No quality assessment [R709] 0 - 0 Unknown No idea 360 2012
Lophonetta specularioides (Crested Duck)
specularioides, S South America 0 - 0 10,000 - 25,000 Best guess [R214] 1972 - 1992 STA No quality assessment [R214] 250 2012 [P2164]
specularioides, Falkland Islands (Malvinas) 0 - 0 21,000 - 36,000 No quality assessment [R709] 0 - 0 Unknown No idea 270 2012 [P2165]
alticola 0 - 0 10,000 - 100,000 Best guess [R214] 1972 - 1992 STA No quality assessment [R214] 1000 2012
Speculanas specularis (Spectacled Duck)
S South America 2001 - 2001 1 - 10,000 Best guess [R570] 1995 - 2005 STA No quality assessment [R64] 100 2012
Amazonetta brasiliensis (Brazilian Teal)
brasiliensis 0 - 0 100,000 - 1,000,000 Best guess [R214] 1972 - 1992 STA No quality assessment [R214] 10000 2012
ipecutiri 2005 - 2011 100,000 - 1,000,000 Best guess [R1092] [R1183] [R1191] 2001 - 2010 STA Reasonable [R214] 10000 2012
Spatula querquedula (Garganey)
Western Siberia & Europe/West Africa 2006 - 2006 2,000,000 - 2,000,000 Expert opinion [R872] [R910] 1980 - 1990 DEC/STA No idea [R283] [R578] 20000 2012 [S8063] [T6070]
Western Siberia/SW Asia, NE & Eastern Africa 1990 - 1995 100,000 - 200,000 Best guess [R578] 1990 - 2000 STA No idea [R66] 1400 2012
South Asia (non-bre) 0 - 0 350,000 - 350,000 No quality assessment [R32] 0 - 0 Unknown No idea 3500 2012 [S8065]
E & SE Asia (non-bre) 0 - 0 100,000 - 200,000 No quality assessment [R407] 1994 - 2004 DEC No quality assessment [R407] 1400 2012 [S8066]
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Copyright Wetlands International 2012

Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on