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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
Aythya ferina (Common Pochard)
South Asia (non-bre) 0 - 0 200,000 - 500,000 [R407] 1977 - 1991 STA [R519] 3200 2012 [S8093]
E Asia (non-bre) 0 - 0 300,000 - 300,000 [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 [R1202] 13600 2012
Aythya collaris (Ring-necked Duck)
N America 0 - 0 1,470,000 - 1,470,000 [R656] 1955 - 2001 STA [R651] 14700 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 [R627] 0 - 0 Unknown No idea 1 2012
Aythya baeri (Baer's Pochard)
C, E, SE & S Asia 0 - 0 250 - 1,000 Expert opinion [R1090] 1995 - 2005 DEC [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 [R64] 1977 - 1991 DEC [R519] 1000 2012 [S8101]
Aythya innotata (Madagascar Pochard)
Madagascar 2012 - 2012 20 - 20 Census based [R1262] 2006 - 2012 STA Good [R1262] 1 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 [R407] 0 - 0 Unknown No idea 3900 2012 [S8109]
E & SE Asia (non-bre) 0 - 0 200,000 - 300,000 [R460] 0 - 0 Unknown No idea 2400 2012 [S8110]
Aythya novaeseelandiae (New Zealand Scaup)
New Zealand 0 - 0 5,000 - 10,000 [R268] 1980 - 1990 INC [R268] 70 2012
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 [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 [R6] 43200 2012 [P2336] [S8115]
Aythya affinis (Lesser Scaup)
N & C America 0 - 0 2,950,000 - 2,950,000 [R656] 1955 - 1998 DEC [R6] 29500 2012 [S8116]
Somateria mollissima (Common Eider)
mollissima, Britain, Ireland 0 - 0 57,800 - 57,900 [R1253] 2000 - 2010 DEC [R1256] 580 2012 [P2338]
borealis, West Greenland 0 - 0 36,000 - 45,000 [R449] 2000 - 2007 INC [R1255] 400 2012 [P2339] [S8118] [T6125]
borealis, NE Greenland 0 - 0 1 - 25,000 Best guess [R81] 1991 - 2001 STA [R81] 250 2012 [P2340]
borealis, Arctic NE Canada 0 - 0 600,000 - 600,000 [R349] 1985 - 1995 DEC [R265] 6000 2012 [S8120]
dresseri 0 - 0 322,000 - 322,000 [R349] 1990 - 2000 STA [R580] 3200 2012 [S8121]
sedentaria 0 - 0 225,000 - 225,000 [R349] 1985 - 1995 DEC [R265] 2300 2012 [S8122]
v-nigrum 0 - 0 130,000 - 170,000 [R1242] 0 - 0 STA [R698] 1500 2012 [S8123]
mollissima, Baltic, Denmark & Netherlands 2009 - 2009 976,000 - 976,000 Expert opinion [R1254] 1990 - 2000 DEC Reasonable [R185] 9800 2012 [S8124]
mollissima, Norway & Russia 1990 - 1995 300,000 - 550,000 Expert opinion [R578] [R895] 1980 - 1990 STA Poor [R578] 4100 2012
mollissima, White Sea 1990 - 1995 20,000 - 30,000 [R578] 0 - 0 Unknown No idea 240 2012
mollissima, Black Sea 0 - 0 5,400 - 5,400 [R715] 1988 - 1998 INC [R715] 55 2012 [P2349]
faeroeensis, Faeroe Is 1990 - 1995 6,000 - 12,000 [R578] 1984 - 1994 STA [R578] 85 2012
faeroeensis, Shetland, Orkney Is 2005 - 2009 5,500 - 5,500 [R1256] 1984 - 1994 STA [R578] 55 2012 [T6136]
borealis, Svalbard & Franz Joseph (bre) 1990 - 1995 40,000 - 80,000 Expert opinion [R578] 1984 - 1994 STA Poor [R578] 570 2012
borealis, Iceland 1990 - 1995 600,000 - 900,000 [R578] 1984 - 1994 INC [R578] 7300 2012
Somateria spectabilis (King Eider)
East Greenland, NE Europe & Western Siberia 1990 - 1995 300,000 - 300,000 Best guess [R578] 1988 - 1998 STA Poor [R602] 3000 2012
E Asia (bre) 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
Alaska, NW Canada (bre) 1960 - 1996 350,000 - 350,000 Expert opinion [R1159] 1960 - 1996 DEC [R1159] 3500 2012
E Canada, N Greenland (bre) 0 - 0 150,000 - 250,000 [R580] 1990 - 2000 DEC [R580] 1900 2012
Somateria fischeri (Spectacled Eider)
E Siberia, N & W Alaska 2006 - 2011 360,000 - 400,000 Expert opinion [R1243] 1985 - 2011 STA [R1245] [R1244] [R1243] 3800 2012
Polysticta stelleri (Steller's Eider)
Western Siberia/North-east Europe 2009 - 2009 27,000 - 27,000 Census based [R1263] 1996 - 2009 STA Reasonable [R1263] 270 2012 [S8137]
N Pacific (non-bre) 0 - 0 180,000 - 180,000 Expert opinion [R1246] 0 - 0 STA? No idea [R1246] 1800 2012
Camptorhynchus labradorius (Labrador Duck)
NE North America 1966 - 1966 0 - 0 [R275] 0 - 1875 EXT [R275] -1 0
Histrionicus histrionicus (Harlequin Duck)
NW North America (bre) 0 - 0 150,000 - 250,000 [R580] 1990 - 2000 STA [R580] 1900 2012
E North America (non-bre) 0 - 0 1,800 - 1,800 [R550] 1993 - 2003 INC [R550] 20 2012 [P2363] [S8141]
E & SW Greenland (non-bre) 0 - 0 8,250 - 16,500 [R622] 0 - 0 Unknown No idea 120 2012 [P2364] [S8142]
Iceland 0 - 0 9,000 - 15,000 [R332] 0 - 0 Unknown No idea 120 2012 [S8143]
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Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on