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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
Hymenolaimus malacorhynchos (Blue Duck)
South Island, New Zealand 2005 - 2005 1,740 - 1,740 [R64] 1995 - 2005 DEC [R64] 15 2012 [P2161] [S7955]
Salvadorina waigiuensis (Salvadori's Teal)
New Guinea 0 - 0 1 - 25,000 Best guess [R115] 1995 - 2005 DEC [R64] 250 2012 [S7956]
Anas sparsa (African Black Duck)
sparsa 2001 - 2001 10,000 - 25,000 Best guess [R190] 1980 - 1990 STA [R115] 250 2012
leucostigma, E Africa 2001 - 2001 15,000 - 25,000 [R190] 1986 - 1996 DEC [R578] 190 2012
leucostigma, Ethiopian Highlands 1990 - 1995 2,000 - 10,000 [R578] 0 - 0 Unknown No idea 45 2012
leucostigma, Cameroon, Nigeria 1990 - 1995 1,000 - 5,000 [R578] 0 - 0 Unknown No idea 20 2012
leucostigma? Guinea 1990 - 1995 100 - 100 [R578] 0 - 0 Unknown No idea 1 2012
leucostigma (maclatchyi), Gabon 1990 - 1995 1,000 - 5,000 [R578] 0 - 0 Unknown No idea 20 2012 [P2195]
Mareca penelope (Eurasian Wigeon)
Western Siberia & NE Europe/NW Europe 2005 - 2005 1,500,000 - 1,500,000 Expert opinion [R692] 1997 - 2007 STA Good [R888] 15000 2012 [T5979]
W Siberia & NE Europe/Black Sea & Mediterranean 1995 - 1996 300,000 - 300,000 Expert opinion [R181] 1997 - 2007 STA Reasonable [R888] 3000 2012 [T5980]
Western Siberia/SW Asia & NE Africa 1987 - 1991 250,000 - 250,000 Expert opinion [R519] 1997 - 2007 DEC? No idea [R888] 2500 2012 [T5981]
South Asia (non-bre) 1987 - 1991 250,000 - 250,000 [R519] 1977 - 1991 INC [R519] 2500 2012
E Asia (non-bre) 0 - 0 500,000 - 1,000,000 [R455] 1977 - 1991 DEC [R519] 7100 2012
Mareca americana (American Wigeon)
N & C America 2011 - 2011 2,080,000 - 2,090,000 Expert opinion [R1202] 2002 - 2011 DEC [R1202] 20800 2012
Mareca sibilatrix (Chiloe Wigeon)
S South America 1993 - 1993 100,000 - 1,000,000 [R119] 1982 - 1992 STA [R119] 10000 2012 [P2187]
Falkland Islands (Malvinas) 0 - 0 1,500 - 2,700 [R709] 0 - 0 Unknown No idea 20 2012 [P2188]
Mareca falcata (Falcated Duck)
C & E Asia 2007 - 2007 78,000 - 89,000 Best guess [R1296] 1981 - 1991 DEC [R124] 830 2012 [S7971]
Mareca strepera (Gadwall)
strepera, North-west Europe 1997 - 1999 60,000 - 60,000 Expert opinion [R257] 1997 - 2007 INC Good [R888] 600 2012 [T5971]
strepera, North-east Europe/Black Sea & Mediterranean 1990 - 1995 75,000 - 150,000 Expert opinion [R578] 1997 - 2007 INC Good [R888] 1100 2012 [T5972]
strepera, Western Siberia/SW Asia & NE Africa 1987 - 1991 130,000 - 130,000 Expert opinion [R519] 0 - 0 Unknown No idea 1300 2012 [T5973]
strepera, South Asia (non-bre) 0 - 0 300,000 - 300,000 [R407] 1991 - 2001 INC [R540] 3000 2012 [S7967]
strepera, E Asia (non-bre) 0 - 0 500,000 - 1,000,000 [R455] 1977 - 1991 DEC [R519] 7100 2012
strepera, North America 2011 - 2011 3,250,000 - 3,260,000 [R1202] 2002 - 2011 INC [R1202] 32600 2012
couesi 1966 - 1966 0 - 0 [R275] 0 - 1876 EXT [R275] -1 0
Sibirionetta formosa (Baikal Teal)
E Asia 2010 - 2010 500,000 - 1,000,000 Best guess [R1132] 1975 - 2005 INC [R64] 7100 2012 [S8067]
Anas crecca (Common Teal)
crecca, North-west Europe 2005 - 2005 500,000 - 500,000 Expert opinion [R692] 1997 - 2007 INC Good [R888] 5000 2012 [T4342]
crecca, W Siberia & NE Europe/Black Sea & Mediterranean 1990 - 1995 750,000 - 1,380,000 Expert opinion [R578] 1997 - 2007 INC Good [R888] 10200 2012 [T4343]
crecca, Western Siberia/SW Asia & NE Africa 1987 - 1991 1,500,000 - 1,500,000 Expert opinion [R519] 0 - 0 Unknown No idea 15000 2012 [T4344]
crecca, South Asia (non-bre) 1987 - 1991 400,000 - 400,000 [R519] 1977 - 1991 DEC [R519] 4000 2012
crecca, E & SE Asia (non-bre) 0 - 0 600,000 - 1,000,000 [R455] 1977 - 1991 DEC [R519] 7700 2012
carolinensis 2011 - 2011 2,900,000 - 2,900,000 [R1202] 2002 - 2011 DEC [R1202] 29000 2012 [P772]
crecca, (nimia) 0 - 0 10,000 - 10,000 [R110] 1991 - 2001 STA [R703] 100 2012 [P773]
Anas flavirostris (Yellow-billed Teal)
flavirostris, S South America 1993 - 1993 1,000,000 - 1,000,001 Best guess [R119] 1982 - 1992 STA [R15] 20000 2012
flavirostris, Falkland Islands (Malvinas) 0 - 0 18,000 - 33,000 [R709] 0 - 0 Unknown No idea 240 2012
oxyptera 0 - 0 25,000 - 100,000 Best guess [R214] 1972 - 1992 STA [R214] 1000 2012
Anas andium (Andean Teal)
andium 0 - 0 1 - 20,000 [R115] 1980 - 1990 DEC [R115] 1 2012 [P2433]
altipetens 0 - 0 1 - 20,000 [R115] 1980 - 1990 DEC [R115] 1 2012
Anas capensis (Cape Teal)
Eastern Africa (Rift Valley) 1993 - 2003 5,750 - 7,000 Expert opinion [R29] 1993 - 2003 STA Poor [R29] 65 2012 [P2169]
Lake Chad basin 1993 - 2003 1 - 500 Expert opinion [R29] 1993 - 2003 DEC Poor [R29] 1 2012 [P2170]
Southern Africa (N to Angola & Zambia) 1990 - 1995 100,000 - 250,000 Expert opinion [R578] 1982 - 1992 INC Poor [R578] 1600 2012
Anas bernieri (Madagascar Teal)
W Madagascar 0 - 0 1,500 - 2,500 [R727] 1991 - 2001 DEC [R727] 20 2012
Anas gibberifrons (Sunda Teal)
Indonesia 0 - 0 10,000 - 100,000 Best guess [R455] 1980 - 1990 STA [R115] 1000 2012 [P2245]
Anas gracilis (Grey Teal)
gracilis, Australia, New Guinea 2004 - 2011 100,000 - 1,000,001 Best guess [R341] [R1112] [R1148] [R1149] 1982 - 2011 FLU Poor [R1148] [R1101] 20000 2012 [P2246] [S8033] [T6040]
gracilis, New Zealand 2011 - 2011 120,000 - 120,000 Expert opinion [R1060] 2002 - 2011 STA Poor [R1060] 1200 2012 [S8034]
remissa 0 - 0 0 - 0 [R423] 0 - 1985 EXT [R423] -1 0
Anas castanea (Chestnut Teal)
SW Australia 1989 - 2011 5,000 - 5,000 Expert opinion [R287] [R341] [R1145] 1982 - 2011 STA Reasonable [R341] 50 2012 [P2250] [S8037] [T6044]
SE Australia 2004 - 2011 100,000 - 100,000 Expert opinion [R341] [R1028] 0 - 0 Unknown No idea 1000 2012 [P2251] [S8038]
Anas aucklandica (Auckland Teal)
Auckland Is 2005 - 2005 600 - 2,000 [R64] 1995 - 2005 STA [R64] 10 2012 [P2253]
Anas chlorotis (Brown Teal)
New Zealand 2005 - 2005 1,420 - 1,630 [R64] 1990 - 2004 INC [R1257] 15 2012 [P472] [S6573]
Anas nesiotis (Campbell Teal)
Campbell Is 2005 - 2005 60 - 100 [R64] 1990 - 2005 STA [R64] 1 2012 [P2421]
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Copyright Wetlands International 2012

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