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Taxonomic




Order
Family
Species
Population
Discontinued Size - year Size Size estimate quality Size references Trend - year Trend Trend quality Trend references 1% threshold 1% yearset 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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Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on