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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 ferruginea (Ruddy Shelduck)
E Asia (non-bre) 0 - 0 50,000 - 100,000 [R455] 0 - 0 Unknown No idea 710 2012
Tadorna cana (South African Shelduck)
Southern Africa 1996 - 1996 50,000 - 50,000 Census based [R295] 1997 - 2007 DEC Poor [R888] 500 2012 [T5908]
Tadorna tadornoides (Australian Shelduck)
SW Australia 1989 - 2008 51,600 - 240,000 Expert opinion [R287] [R1112] 0 - 0 Unknown No idea 1100 2012 [P2102] [S7079] [T5909]
SE Australia 2008 - 2011 100,000 - 1,000,000 Best guess [R1028] [R1101] [R1112] [R1148] 1982 - 2011 FLU Reasonable [R1148] 10000 2012 [P2103] [S7080] [T5910]
Tadorna variegata (Paradise Shelduck)
New Zealand 0 - 0 150,000 - 180,000 [R705] 1982 - 1992 STA [R705] 1600 2012
Tadorna cristata (Crested Shelduck)
NE Asia 2005 - 2005 0 - 50 [R64] 1964 - 2005 EXT? [R64] 1 2012 [S7082]
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
Sarkidiornis sylvicola (American Comb Duck)
sylvicola 2005 - 2011 25,000 - 100,000 Best guess [R1070] [R1092] [R1183] [R1191] 2001 - 2010 DEC Poor [R15] 1000 2012 [P2133]
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]
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
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 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]
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]
Hymenolaimus malacorhynchos (Blue Duck)
North Island, New Zealand 2005 - 2005 1,920 - 1,920 [R64] 1995 - 2005 DEC [R64] 20 2012 [P2160] [S7954]
South Island, New Zealand 2005 - 2005 1,740 - 1,740 [R64] 1995 - 2005 DEC [R64] 15 2012 [P2161] [S7955]
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
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]
Cyanochen cyanoptera (Blue-winged Goose)
Ethiopia 2005 - 2005 5,000 - 15,000 [R64] 1995 - 2005 STA [R64] 85 2012
Marmaronetta angustirostris (Marbled Teal)
West Mediterranean/West Medit. & West Africa 2001 - 2001 3,000 - 5,000 Expert opinion [R190] 1991 - 2001 FLU Reasonable [R272] 40 2012
East Mediterranean 1980 - 1990 1,000 - 1,000 Expert opinion [R269] 1980 - 1990 DEC Poor [R269] 10 2012
South-west Asia 2010 - 2010 46,000 - 50,000 Expert opinion [R912] 1986 - 1996 DEC Poor [R578] 480 2012
South Asia (non-bre) 1987 - 1991 5,000 - 5,000 [R519] 0 - 0 Unknown No idea 50 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
Netta rufina (Red-crested Pochard)
South-west & Central Europe/West Mediterranean 1997 - 1999 50,000 - 50,000 Expert opinion [R257] 1997 - 2007 INC Good [R888] 500 2012 [T6089]
Black Sea & East Mediterranean 1997 - 1997 20,000 - 43,500 Expert opinion [R602] 1996 - 2006 Unknown No idea 290 2012 [T6090]
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Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on