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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
Mergus merganser (Goosander)
americanus, W North America 0 - 0 300,000 - 500,000 No quality assessment [R327] 0 - 0 Unknown No idea 3900 2012 [P2409] [S8184]
merganser, Iceland 1990 - 1995 900 - 900 No quality assessment [R578] 0 - 0 Unknown No idea 9 2012 [P2412]
merganser, Central west Europe (bre) 0 - 0 3,000 - 4,200 No quality assessment [R364] 1980 - 1994 INC No quality assessment [R578] 35 2012 [S8186]
merganser, Balkans (bre) 1990 - 1995 50 - 100 No quality assessment [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 No quality assessment [R115] 1980 - 1990 STA No quality assessment [R115] 50 2012 [P2417]
orientalis, E Asia (non-bre) 1998 - 1998 50,000 - 100,000 No quality assessment [R455] 0 - 0 Unknown No idea 710 2012 [P2418]
americanus, E & C North America 0 - 0 1,000,000 - 1,500,000 No quality assessment [R699] 0 - 0 Unknown No idea 12200 2012 [P2419] [S8192]
Mergus squamatus (Scaly-sided Merganser)
E & SE Asia 2010 - 2010 2,400 - 10,000 Expert opinion [R1163] [R1164] 1990 - 2005 DEC No quality assessment [R64] 50 2012 [S8182]
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 No quality assessment [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 No quality assessment [R629] 0 - 0 Unknown No idea 450 2012 [P2404]
W North America 0 - 0 200,000 - 200,001 No quality assessment [R629] 0 - 0 Unknown No idea 2000 2012 [P2405] [S8181]
Mergus australis (Auckland Merganser)
Auckland Is 1966 - 1966 0 - 0 No quality assessment [R275] 0 - 1901 EXT No quality assessment [R275] -1 -1
Mergus octosetaceus (Brazilian Merganser)
C South America 1992 - 1992 50 - 250 Expert opinion [R1024] 2001 - 2010 DEC Reasonable [R64] 1 2012
Histrionicus histrionicus (Harlequin Duck)
NW North America (bre) 0 - 0 150,000 - 250,000 No quality assessment [R580] 1990 - 2000 STA No quality assessment [R580] 1900 2012
E North America (non-bre) 0 - 0 1,800 - 1,800 No quality assessment [R550] 1993 - 2003 INC No quality assessment [R550] 20 2012 [P2363] [S8141]
E & SW Greenland (non-bre) 0 - 0 8,250 - 16,500 No quality assessment [R622] 0 - 0 Unknown No idea 120 2012 [P2364] [S8142]
Iceland 0 - 0 9,000 - 15,000 No quality assessment [R332] 0 - 0 Unknown No idea 120 2012 [S8143]
E Asia (pacificus) 0 - 0 25,000 - 100,000 Best guess [R714] 0 - 0 Unknown No idea 1000 2012 [P2366]
Camptorhynchus labradorius (Labrador Duck)
NE North America 1966 - 1966 0 - 0 No quality assessment [R275] 0 - 1875 EXT No quality assessment [R275] -1 -1
Neochen jubata (Orinoco Goose)
N South America 1993 - 1993 25,000 - 100,000 Best guess [R119] 1990 - 2000 DEC No quality assessment [R627] 1000 2012
Chloephaga melanoptera (Andean Goose)
Andean South America 0 - 0 25,000 - 100,000 Best guess [R555] 1990 - 2000 STA No quality assessment [R570] 1000 2012
Chloephaga picta (Upland Goose)
picta 2011 - 2011 50,000 - 150,000 Expert opinion [R1143] 2001 - 2010 DEC Good [R119] 870 2012
leucoptera 0 - 0 138,000 - 255,000 No quality assessment [R709] 1971 - 1981 STA No quality assessment [R605] 1900 2012
Chloephaga hybrida (Kelp Goose)
hybrida 2001 - 2001 25,000 - 100,000 Best guess [R570] 1982 - 1992 STA No quality assessment [R119] 1000 2012
malvinarum 0 - 0 30,000 - 54,000 No quality assessment [R709] 0 - 0 Unknown No idea 400 2012
Chloephaga poliocephala (Ashy-headed Goose)
South America 2011 - 2011 25,000 - 100,000 Best guess [R1143] 2001 - 2010 DEC Good [R119] 1000 2012 [P2087]
Chloephaga rubidiceps (Ruddy-headed Goose)
Tierra del Fuego (bre) 2008 - 2008 744 - 1,000 Census based [R1029] 2001 - 2008 DEC Good [R119] 9 2012
Falkland Islands (Malvinas) 0 - 0 42,000 - 81,000 No quality assessment [R709] 1975 - 1992 STA No quality assessment [R310] 580 2012
Radjah radjah (Radjah Shelduck)
radjah 1992 - 1992 10,000 - 100,000 Best guess [R136] 1983 - 1992 DEC No idea [R136] 1000 2012 [S7088]
rufitergum 1988 - 1999 10,000 - 100,000 Best guess [R267] [R1101] [R1131] 1990 - 1999 STA Poor [R267] 1000 2012 [S7089] [T5919]
Alopochen aegyptiaca (Egyptian Goose)
West Africa 2006 - 2006 5,000 - 10,000 Expert opinion [R192] [R648] 1991 - 2001 DEC Poor [R190] [R648] 70 2012
Eastern & Southern Africa 1990 - 1995 200,000 - 500,000 Expert opinion [R578] 1991 - 2001 STA Poor [R190] 3200 2012
Alopochen mauritiana (Mauritius Shelduck)
Mauritius 2005 - 2005 0 - 0 No quality assessment [R64] 1698 - 2005 EXT No quality assessment [R64] -1 -1 [P500] [S6599]
Alopochen kervazoi (Reunion Shelduck)
Reunion Island 0 - 0 0 - 0 No quality assessment [R62] 1900 - 2004 EXT No quality assessment [R62] -1 -1 [P577] [S6673]
Tadorna tadorna (Common Shelduck)
North-west Europe 1990 - 1995 300,000 - 300,000 Census based [R578] 1997 - 2007 INC Reasonable [R63] [R888] 3000 2012 [T5913]
Black Sea & Mediterranean 2005 - 2005 120,000 - 120,000 Expert opinion [R874] 1996 - 2006 INC Reasonable [R63] [R888] 1200 2012 [S7084] [T5914]
Western Asia/Caspian & Middle East 1987 - 1991 80,000 - 80,000 Expert opinion [R519] 1997 - 2007 Unknown No idea 800 2012 [T5915]
South Asia (non-bre) 0 - 0 25,000 - 100,000 Best guess [R20] 0 - 0 Unknown No idea 1000 2012 [S7086]
E Asia (non-bre) 0 - 0 100,000 - 150,000 No quality assessment [R455] 0 - 0 Unknown No idea 1200 2012
Tadorna ferruginea (Ruddy Shelduck)
Ethiopia 0 - 0 30 - 80 No quality assessment [R221] 1991 - 2001 DEC No quality assessment [R190] 1 2012
North-west Africa 1989 - 1999 3,000 - 3,000 Expert opinion [R273] 1989 - 1999 DEC Poor [R273] 30 2012
East Mediterranean & Black Sea/North-east Africa 1989 - 1989 20,000 - 20,000 Expert opinion [R456] 0 - 0 Unknown No idea 200 2012 [T5904]
Western Asia & Caspian/Iran & Iraq 1997 - 1999 50,000 - 50,000 Expert opinion [R257] 1997 - 2007 Unknown No idea 500 2012 [T5905]
S & SE Asia (non-bre) 0 - 0 50,000 - 50,000 No quality assessment [R407] 0 - 0 Unknown No idea 500 2012 [S7076]
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Copyright Wetlands International 2012

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