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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
Tadorna cristata (Crested Shelduck)
NE Asia 2005 - 2005 0 - 50 [R64] 1964 - 2005 EXT? [R64] 1 2012 [S7082]
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 [R455] 0 - 0 Unknown No idea 1200 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]
Tachyeres patachonicus (Flying Steamerduck)
S Chile & Argentina 2001 - 2001 1 - 25,000 Best guess [R570] 1990 - 2000 DEC [R570] 250 2012
Falkland Islands (Malvinas) 0 - 0 600 - 1,200 [R709] 0 - 0 Unknown No idea 8 2012
Tachyeres pteneres (Magellanic Steamerduck)
S South America 0 - 0 10,000 - 100,000 Best guess [R214] 1972 - 1992 STA [R214] 1000 2012
Tachyeres brachypterus (Falkland Steamerduck)
Falkland Islands (Malvinas) 0 - 0 27,000 - 48,000 [R709] 0 - 0 Unknown No idea 360 2012
Tachyeres leucocephalus (White-headed Steamerduck)
Argentina 2006 - 2008 3,420 - 3,680 Census based [R1002] 2001 - 2010 STA Good [R115] 35 2012
Plectropterus gambensis (Spur-winged Goose)
gambensis, West Africa 2006 - 2006 50,000 - 100,000 Expert opinion [R192] 1991 - 2001 INC Poor [R910] 710 2012
gambensis, Eastern Africa (Sudan to Zambia) 1990 - 1995 200,000 - 300,000 Expert opinion [R578] 1986 - 1996 STA Poor [R578] 2400 2012
niger, Southern Africa 1990 - 1995 50,000 - 100,000 Expert opinion [R578] 1989 - 1999 INC Poor [R664] 710 2012
Cairina moschata (Muscovy Duck)
C & S America 1993 - 1993 100,000 - 1,000,000 Best guess [R119] 1982 - 1992 DEC [R119] 10000 2012
Asarcornis scutulata (White-winged Duck)
India-Myanmar 2006 - 2006 450 - 450 [R668] 1990 - 2000 DEC [R65] 5 2012
SE Asia 2006 - 2006 200 - 200 [R668] 1990 - 2000 DEC [R65] 2 2012
W Indonesia 2000 - 2000 150 - 150 [R65] 1990 - 2000 DEC [R65] 2 2012
Sarkidiornis melanotos (African Comb Duck)
West Africa 2010 - 2010 20,000 - 40,000 Expert opinion [R910] 1995 - 2005 DEC Poor [R648] 280 2012 [P2129] [S7104]
Southern & Eastern Africa 2001 - 2001 100,000 - 500,000 Expert opinion [R190] 1986 - 1996 STA Poor [R578] 2200 2012 [P2130]
melanotos, Madagascar 1990 - 1995 10,000 - 25,000 Best guess [R578] 1980 - 1990 DEC [R578] 250 2012
melanotos, S & SE Asia 0 - 0 10,000 - 25,000 Best guess [R32] 1977 - 1991 DEC [R519] 250 2012 [S7107]
Pteronetta hartlaubii (Hartlaub's Duck)
W Africa 0 - 0 1 - 10,000 Best guess [R233] 1980 - 1995 DEC [R578] 100 2012 [P2126]
W Central Africa 0 - 0 25,000 - 100,000 Best guess [R192] 1980 - 1990 DEC [R115] 1000 2012 [P2127] [S7103]
Nettapus pulchellus (Green Pygmy-goose)
New Guinea 1995 - 2002 25,000 - 100,000 Best guess [R286] [R1027] 0 - 0 Unknown No idea 1000 2012 [S7109]
N Australia 1988 - 1988 25,000 - 100,000 Best guess [R1101] [R1131] 0 - 0 Unknown No idea 1000 2012 [S7110] [T5940]
Nettapus coromandelianus (Cotton Pygmy-goose)
coromandelianus, South Asia 0 - 0 100,000 - 100,000 [R407] 0 - 0 Unknown No idea 1000 2012 [S7111]
coromandelianus, E & SE Asia 1987 - 1991 25,000 - 1,000,000 Best guess [R519] 0 - 0 Unknown No idea 10000 2012
coromandelianus, NE New Guinea 0 - 0 1 - 1,000 [R627] 1990 - 2000 STA [R627] 1 2012
albipennis 1999 - 2004 1 - 10,000 Best guess [R267] [R341] 1982 - 2011 FLU Poor [R341] 100 2012 [S7114]
Nettapus auritus (African Pygmy-goose)
West Africa 2001 - 2001 1 - 10,000 Best guess [R190] 1991 - 2001 DEC Poor [R190] 100 2012
Southern & Eastern Africa 1990 - 1995 100,000 - 250,000 Expert opinion [R578] 1990 - 2000 STA No idea [R66] 1600 2012
Madagascar 1990 - 1995 5,000 - 10,000 [R578] 1980 - 1990 DEC [R578] 70 2012
Callonetta leucophrys (Ringed Teal)
C South America 2005 - 2011 25,000 - 100,000 Best guess [R1092] [R1183] [R1191] 2001 - 2010 STA Reasonable [R119] 1000 2012
Aix sponsa (Wood Duck)
E North America (bre) 0 - 0 2,800,000 - 2,800,000 [R55] 1966 - 2000 INC [R563] 28000 2012
Interior North America (bre) 0 - 0 665,000 - 666,000 [R54] 0 - 0 Unknown No idea 6700 2012
W North America 0 - 0 66,000 - 66,000 [R54] 1983 - 1993 STA [R55] 660 2012
Aix galericulata (Mandarin Duck)
China (non-bre) 0 - 0 20,000 - 20,000 [R455] 1980 - 1990 DEC [R115] 200 2012
Korea (non-bre) 1999 - 2008 3,000 - 4,000 Expert opinion [R1258] 1980 - 1990 DEC [R115] 35 2012
Japan (non-bre) 0 - 0 40,000 - 40,000 [R455] 1980 - 1990 STA [R115] 400 2012
Taiwan (resident) 0 - 0 350 - 500 [R729] 1991 - 2001 STA [R729] 4 2012 [P2151]
Chenonetta jubata (Maned Duck)
Australia/Tasmania 1989 - 2011 100,000 - 1,000,000 Best guess [R287] [R1112] [R1148] 1982 - 2011 FLU Reasonable [R1148] [R1101] 10000 2012 [P2154] [S5893]
Amazonetta brasiliensis (Brazilian Teal)
brasiliensis 0 - 0 100,000 - 1,000,000 Best guess [R214] 1972 - 1992 STA [R214] 10000 2012
ipecutiri 2005 - 2011 100,000 - 1,000,000 Best guess [R1092] [R1183] [R1191] 2001 - 2010 STA Reasonable [R214] 10000 2012
Merganetta armata (Torrent Duck)
columbiana 0 - 0 7,000 - 12,000 [R117] 1980 - 1990 DEC [R115] 90 2012
leucogenis 0 - 0 9,000 - 13,000 [R117] 1990 - 2000 DEC [R570] 110 2012
armata 0 - 0 4,000 - 10,000 [R117] 1980 - 1990 DEC [R115] 65 2012
Hymenolaimus malacorhynchos (Blue Duck)
North Island, New Zealand 2005 - 2005 1,920 - 1,920 [R64] 1995 - 2005 DEC [R64] 20 2012 [P2160] [S7954]
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Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on