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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
Histrionicus histrionicus (Harlequin Duck)
E Asia (pacificus) 0 - 0 25,000 - 100,000 Best guess [R714] 0 - 0 Unknown No idea 1000 2012 [P2366]
Clangula hyemalis (Long-tailed Duck)
Iceland & Greenland (bre) 2005 - 2005 100,000 - 150,000 Expert opinion [R668] 1987 - 1993 STA Poor [R531] 1200 2012
Western Siberia/North Europe (bre) 2007 - 2009 1,600,000 - 1,600,000 Expert opinion [R889] 2000 - 2010 DEC Reasonable [R889] 16000 2012 [S8146] [T6153]
E Asia (non-bre) 0 - 0 500,000 - 1,000,000 [R455] 0 - 0 Unknown No idea 7100 2012
N America 0 - 0 1,000,000 - 1,000,000 [R580] 1990 - 2000 DEC? [R580] 10000 2012
Melanitta nigra (Common Scoter)
W Siberia & N Europe/W Europe & NW Africa 1993 - 1993 550,000 - 550,000 Expert opinion [R889] 1999 - 2009 DEC Poor [R889] 5500 2012 [P2372] [T6156]
Melanitta americana (Black Scoter)
americana, E Asia 0 - 0 300,000 - 500,000 [R254] 0 - 0 Unknown No idea 3900 2012 [P2373]
americana, NE North America 0 - 0 250,000 - 250,000 Expert opinion [R84] [R1247] 0 - 0 DEC [R1247] 2500 2012 [P2374] [S8151]
americana, NW North America 0 - 0 160,000 - 160,000 Expert opinion [R1248] 2004 - 2009 INC [R1248] 1600 2012 [P2375] [T6159]
Melanitta perspicillata (Surf Scoter)
NE America 0 - 0 200,000 - 250,000 Expert opinion [R566] [R1249] 0 - 0 DEC [R566] [R1249] 2200 2012 [P2376] [S8153]
NW America 0 - 0 150,000 - 200,000 Expert opinion [R580] 0 - 0 DEC [R580] 1700 2012 [P2377]
Melanitta fusca (Velvet Scoter)
Western Siberia & Northern Europe/NW Europe 1993 - 1993 450,000 - 450,000 Expert opinion [R889] 1987 - 1993 DEC Poor [R889] 4500 2012 [T6162]
Black Sea & Caspian 1990 - 1995 1,500 - 1,500 Census based [R578] 1990 - 2000 STA No idea [R66] 15 2012
Melanitta deglandi (White-winged Scoter)
N America 0 - 0 140,000 - 240,000 Expert opinion [R214] [R698] 0 - 0 DEC [R1180] 1800 2012 [P2382] [T6165]
Melanitta stejnegeri (Siberian Scoter)
E Asia 0 - 0 600,000 - 1,000,000 [R455] 0 - 0 Unknown No idea 7700 2012 [P2381]
Bucephala albeola (Bufflehead)
N America 2010 - 2010 1,000,000 - 1,000,000 Expert opinion [R1180] 0 - 0 INC [R1180] 10000 2012
Bucephala islandica (Barrow's Goldeneye)
Iceland 0 - 0 1,500 - 1,800 [R332] 1980 - 1994 STA [R578] 15 2012
W North America 0 - 0 200,000 - 250,000 [R92] 1990 - 2000 STA [R580] 2200 2012
E North America 0 - 0 4,000 - 6,000 Expert opinion [R1052] [R1250] 2000 - 2011 STA? No idea [R1052] 50 2012 [S8167]
Bucephala clangula (Common Goldeneye)
clangula, North-west & Central Europe (win) 1990 - 2000 1,000,000 - 1,300,000 Expert opinion [R63] 1996 - 2006 STA Good [R888] 11400 2012 [T6166]
clangula, North-east Europe/Adriatic 1990 - 2000 200,000 - 200,000 Expert opinion [R63] 1990 - 2000 STA No idea [R66] 2000 2012
clangula, Western Siberia & North-east Europe/Black Sea 1990 - 2000 60,000 - 60,000 Expert opinion [R63] [R456] 1990 - 2000 STA No idea [R66] 600 2012
clangula, Western Siberia/Caspian 1990 - 2000 100,000 - 1,000,000 Best guess [R63] [R567] 1990 - 2000 STA Poor [R567] 10000 2012 [P2386]
clangula, E Asia (non-bre) 0 - 0 100,000 - 1,000,000 Best guess [R455] 0 - 0 Unknown No idea 10000 2012 [S8163]
americana 0 - 0 1,200,000 - 1,200,000 Expert opinion 0 - 0 STA [R1180] 12000 2012 [P2388]
Lophodytes cucullatus (Hooded Merganser)
N America 0 - 0 1,100,000 - 1,100,000 [R1251] 0 - 0 INC [R1251] 11000 2012
Mergellus albellus (Smew)
North-west & Central Europe (win) 1995 - 1996 40,000 - 40,000 Expert opinion [R181] 1997 - 2007 INC Reasonable [R888] 400 2012 [T6176]
North-east Europe/Black Sea & East Mediterranean 2001 - 2001 35,000 - 35,000 Expert opinion [R579] 1990 - 2000 STA No idea [R66] 350 2012
Western Siberia/South-west Asia 1987 - 1991 30,000 - 30,000 Expert opinion [R519] 0 - 0 Unknown No idea 300 2012 [T6178]
E Asia (non-bre) 0 - 0 25,000 - 25,000 [R460] 0 - 0 Unknown No idea 250 2012 [S8172]
Mergus octosetaceus (Brazilian Merganser)
C South America 1992 - 1992 50 - 250 Expert opinion [R1024] 2001 - 2010 DEC Reasonable [R64] 1 2012
Mergus serrator (Red-breasted Merganser)
North-west & Central Europe (win) 1995 - 1996 170,000 - 170,000 Expert opinion [R181] [R531] 0 - 0 Unknown No idea 1700 2012 [P2399]
North-east Europe/Black Sea & Mediterranean 1967 - 1986 50,000 - 50,000 Expert opinion [R456] 1990 - 2000 STA No idea [R66] 500 2012 [P2400]
Western Siberia/South-west & Central Asia 1990 - 1995 1 - 10,000 Best guess [R578] 1990 - 2000 STA No idea [R66] 100 2012
W & SE Greenland 0 - 0 10,000 - 25,000 Best guess [R81] 1991 - 2001 STA [R81] 250 2012 [P2402]
E Asia (non-bre) 0 - 0 25,000 - 100,000 Best guess [R251] 0 - 0 Unknown No idea 1000 2012
E North America 0 - 0 40,000 - 50,000 [R629] 0 - 0 Unknown No idea 450 2012 [P2404]
W North America 0 - 0 200,000 - 200,001 [R629] 0 - 0 Unknown No idea 2000 2012 [P2405] [S8181]
Mergus squamatus (Scaly-sided Merganser)
E & SE Asia 2010 - 2010 2,400 - 10,000 Expert opinion [R1163] [R1164] 1990 - 2005 DEC [R64] 50 2012 [S8182]
Mergus merganser (Goosander)
merganser, North-west & Central Europe (win) 1995 - 1996 266,000 - 266,000 Expert opinion [R181] 1997 - 2007 DEC Reasonable [R888] 2700 2012 [P2408] [T6190]
americanus, W North America 0 - 0 300,000 - 500,000 [R327] 0 - 0 Unknown No idea 3900 2012 [P2409] [S8184]
merganser, Iceland 1990 - 1995 900 - 900 [R578] 0 - 0 Unknown No idea 9 2012 [P2412]
merganser, Central west Europe (bre) 0 - 0 3,000 - 4,200 [R364] 1980 - 1994 INC [R578] 35 2012 [S8186]
merganser, Balkans (bre) 1990 - 1995 50 - 100 [R578] 0 - 0 Unknown No idea 1 2012
merganser, North-east Europe/Black Sea 1967 - 1986 10,000 - 10,000 Expert opinion [R456] 1990 - 2000 STA No idea [R66] 100 2012
merganser, Western Siberia/Caspian 1990 - 1995 20,000 - 20,000 Census based [R578] 1990 - 2000 STA No idea [R66] 200 2012
orientalis, S Asia (non-bre) 0 - 0 2,500 - 10,000 [R115] 1980 - 1990 STA [R115] 50 2012 [P2417]
orientalis, E Asia (non-bre) 1998 - 1998 50,000 - 100,000 [R455] 0 - 0 Unknown No idea 710 2012 [P2418]
americanus, E & C North America 0 - 0 1,000,000 - 1,500,000 [R699] 0 - 0 Unknown No idea 12200 2012 [P2419] [S8192]
Mergus australis (Auckland Merganser)
Auckland Is 1966 - 1966 0 - 0 [R275] 0 - 1901 EXT [R275] -1 0
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Copyright Wetlands International 2012

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