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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
Anhimidae
Chauna chavaria (Northern Screamer)
N Colombia, NW Venezuela 2011 - 2011 2,500 - 10,000 Expert opinion [R1024] 2001 - 2010 DEC Poor [R214] 50 2012
Anseranatidae
Anseranas semipalmata (Magpie Goose)
N Australia, S New Guinea 1995 - 2008 1,000,000 - 1,000,001 Best guess [R286] [R341] [R1112] 1982 - 2011 FLU Poor [R341] [R267] 20000 2012 [S7473]
Anatidae
Dendrocygna guttata (Spotted Whistling-duck)
SE Asia 1993 - 2002 25,000 - 100,000 Best guess [R286] [R813] [R1027] 2001 - 2010 INC? No idea [R1081] 1000 2012 [S7474]
Dendrocygna eytoni (Plumed Whistling-duck)
Australia 2004 - 2008 100,000 - 1,000,000 Best guess [R341] [R1112] 1982 - 2011 FLU Reasonable [R1148] [R1101] 10000 2012 [S7475] [T5185]
Dendrocygna bicolor (Fulvous Whistling-duck)
West Africa (Senegal to Chad) 2010 - 2010 10,000 - 20,000 Expert opinion [R910] 2006 - 2006 DEC Poor [R872] [R910] 140 2012 [P1340] [S7476]
Eastern & Southern Africa 2001 - 2001 150,000 - 350,000 Expert opinion [R190] 1990 - 2000 STA No idea [R66] 2300 2012 [P1341]
Madagascar 2001 - 2001 10,000 - 20,000 [R190] 1980 - 1990 DEC [R578] 140 2012
S Asia 0 - 0 50,000 - 50,000 [R407] 1977 - 1991 DEC [R519] 500 2012 [S7479]
Neotropics, S USA 1993 - 1993 1,000,000 - 1,000,001 Best guess [R119] 1982 - 1992 DEC [R15] 20000 2012 [P1344]
Dendrocygna arcuata (Wandering Whistling-duck)
arcuata 0 - 0 100,000 - 1,000,000 Best guess [R455] 0 - 0 Unknown No idea 10000 2012
pygmaea 0 - 0 0 - 0 [R1059] 1972 - 1992 EXT [R214] -1 0
australis 1988 - 2008 100,000 - 1,000,000 Best guess [R286] [R1112] [R1131] 0 - 0 Unknown No idea 10000 2012 [S7483] [T5193]
Dendrocygna javanica (Lesser Whistling-duck)
South Asia 1987 - 1991 100,000 - 1,000,000 Best guess [R519] 1977 - 1991 DEC [R519] 10000 2012
E & SE Asia 1987 - 1991 100,000 - 1,000,000 Best guess [R519] 1977 - 1991 DEC [R519] 10000 2012
Dendrocygna viduata (White-faced Whistling-duck)
West Africa (Senegal to Chad) 1999 - 2000 600,000 - 700,000 Expert opinion [R910] 1986 - 1996 INC Poor [R872] [R910] 6500 2012 [P1351] [S7486]
Eastern & Southern Africa 2001 - 2001 100,000 - 1,000,000 Best guess [R190] 1986 - 1996 INC Poor [R578] 10000 2012 [P1352]
Madagascar 1990 - 1995 20,000 - 50,000 [R578] 1986 - 1996 DEC [R578] 320 2012
Central & South America 1993 - 1993 1,000,000 - 1,000,001 Best guess [R119] 1982 - 1992 INC [R15] 20000 2012
Dendrocygna arborea (West Indian Whistling-duck)
Caribbean 2005 - 2007 10,000 - 20,000 [R1019] 2005 - 2007 INC [R1019] 140 2012
Dendrocygna autumnalis (Black-bellied Whistling-duck)
autumnalis 0 - 0 100,000 - 1,000,000 Best guess [R214] 1966 - 1998 INC [R342] 10000 2012
fulgens 2005 - 2011 100,000 - 1,000,000 Best guess [R1092] [R1141] [R1158] [R1191] 2001 - 2010 INC Poor [R1191] [R1158] [R1141] [R1092] 10000 2012 [P1358]
Thalassornis leuconotus (White-backed Duck)
leuconotus, West Africa 2006 - 2006 1 - 500 Expert opinion [R192] 1982 - 1992 DEC Poor [R518] 1 2012
leuconotus, Eastern & Southern Africa 1990 - 1990 10,000 - 25,000 Expert opinion [R115] 1980 - 1990 STA Poor [R115] 250 2012
insularis 0 - 0 1,000 - 2,000 [R726] 1986 - 1996 DEC [R578] 15 2012
Cygnus olor (Mute Swan)
North-west Mainland & Central Europe 2004 - 2004 250,000 - 250,000 Expert opinion [R692] 1997 - 2007 INC Reasonable [R888] 2500 2012 [P1468] [T3962]
Britain 0 - 0 31,700 - 31,700 [R685] 1994 - 1999 INC/STA [R374] 320 2012 [P1469] [T3963]
Ireland 0 - 0 10,000 - 10,000 [R587] 0 - 0 Unknown No idea 100 2012 [P1470]
Black Sea 1990 - 1995 45,000 - 45,000 Expert opinion [R578] 1990 - 2000 INC Poor [R63] [R888] 450 2012 [T3965]
West & Central Asia/Caspian 1990 - 1995 250,000 - 250,000 Census based [R578] 1978 - 1987 INC Poor [R578] 2500 2012
Central Asia 0 - 0 10,000 - 25,000 Best guess [R714] 0 - 0 Unknown No idea 250 2012
East Asia 0 - 0 1,000 - 3,000 [R455] 0 - 0 Unknown No idea 15 2012
Cygnus atratus (Black Swan)
Australia 2004 - 2008 100,000 - 1,000,000 Best guess [R341] [R1112] 1982 - 2011 DEC? No idea [R1148] [R1101] 10000 2012 [P1498] [S6342] [T5258]
Cygnus melancoryphus (Black-necked Swan)
South America 0 - 0 25,000 - 100,000 Best guess [R15] 1990 - 2000 STA [R570] 1000 2012
Falkland Islands (Malvinas) 0 - 0 900 - 1,800 [R709] 0 - 0 Unknown No idea 15 2012
Cygnus buccinator (Trumpeter Swan)
Pacific 2010 - 2010 26,700 - 26,800 Expert opinion [R1173] 2005 - 2010 INC [R1173] 270 2012 [S6412]
Rocky Mountains 2010 - 2010 9,620 - 9,630 Expert opinion [R1173] 2005 - 2010 INC [R1173] 95 2012 [S6413]
Interior 2010 - 2010 9,800 - 9,810 Expert opinion [R1173] 2005 - 2010 INC [R1173] 100 2012 [S6414]
Cygnus cygnus (Whooper Swan)
Iceland/UK & Ireland 1995 - 2005 26,500 - 26,500 Census based [R914] 1997 - 2007 INC Good [R888] 270 2012 [P1552] [T5309]
North-west Mainland Europe 1995 - 1995 59,000 - 59,000 Census based [R398] 1995 - 2005 INC Good [R888] 590 2012 [T5310]
N Europe & W Siberia/Black Sea & E Mediterranean 1983 - 1983 12,000 - 12,000 Expert opinion [R558] 1996 - 2006 Unknown No idea 120 2012 [T5311]
West & Central Siberia/Caspian 1990 - 1995 20,000 - 20,000 Expert opinion [R578] 1984 - 1994 DEC Poor [R578] 200 2012
E Asia 0 - 0 60,000 - 60,000 [R455] 0 - 0 Unknown No idea 600 2012
Cygnus columbianus (Tundra Swan)
bewickii, Western Siberia & NE Europe/North-west Europe 2005 - 2005 21,500 - 21,500 Census based [R668] 1997 - 2007 DEC Good [R888] 220 2012 [P1612] [T5366]
bewickii, Northern Siberia/Caspian 1990 - 2000 1,000 - 1,000 Expert opinion [R616] 1990 - 2000 STA No idea [R66] 10 2012 [P1613]
columbianus, E North America 2011 - 2011 97,700 - 97,700 Expert opinion [R1180] 2002 - 2011 DEC [R1180] 980 2012 [S6452]
columbianus, W North America 2009 - 2009 105,000 - 106,000 Expert opinion [R1179] 2000 - 2009 INC [R1179] 1100 2012 [S6453]
jankowskii 2007 - 2007 92,000 - 110,000 Expert opinion [R1296] 0 - 0 Unknown No idea 1000 2012 [S6454]
Coscoroba coscoroba (Coscoroba Swan)
S South America 2006 - 2006 10,000 - 25,000 Best guess [R668] 1982 - 1992 STA [R119] 250 2012 [S7619]
Anser cygnoid (Swan Goose)
C & E Asia 2002 - 2009 60,000 - 78,000 Expert opinion [R1284] [R1296] [R1297] 2000 - 2009 DEC Reasonable [R1297] [R1296] [R1284] 680 2012 [S7654]
Anser fabalis (Bean Goose)
fabalis, North-east Europe/North-west Europe 1999 - 2011 40,000 - 45,000 Census based [R866] 1999 - 2009 DEC Reasonable [R866] [R891] 420 2012 [T5690]
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Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on