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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
Coscoroba coscoroba (Coscoroba Swan)
S South America 2006 - 2006 10,000 - 25,000 Best guess [R668] 1982 - 1992 STA [R119] 250 2012 [S7619]
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 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 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 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]
Branta bernicla (Brent Goose)
bernicla, Western Siberia/Western Europe 2000 - 2010 200,000 - 280,000 Census based [R1299] 1999 - 2009 DEC Good [R866] [R888] 2400 2012 [T5867]
nigricans, Japan (non-bre) 2010 - 2011 2,500 - 3,000 Expert opinion [R1287] [R1290] 2000 - 2010 INC Reasonable [R1290] [R1287] 25 2012 [P2449] [S7937]
hrota, Svalbard/Denmark & UK 1999 - 2009 7,600 - 7,600 Census based [R866] 1999 - 2009 INC Good [R866] 75 2012 [T5869]
hrota, Canada & Greenland/Ireland 1999 - 2009 40,000 - 40,000 Census based [R866] 1999 - 2009 INC Good [R866] 400 2012 [T5870]
hrota, USA East Coast (non-bre) 2011 - 2011 148,000 - 149,000 Expert opinion [R1180] 2002 - 2011 STA [R1180] 1500 2012
hrota/nigricans, western Canadian high Arctic (bre) 2011 - 2011 8,500 - 8,500 Expert opinion [R1180] 2002 - 2011 INC [R1180] 85 2012 [P2060]
nigricans, E Pacific (non-bre) 2011 - 2011 147,000 - 148,000 Expert opinion [R1180] 2002 - 2011 INC [R1180] 1500 2012 [P2061]
nigricans, China (non-bre) 0 - 0 2,500 - 5,700 Best guess [R1287] 0 - 0 Unknown No idea [R1287] 40 2012 [P2450] [S7044]
Branta leucopsis (Barnacle Goose)
East Greenland/Scotland & Ireland 1999 - 2009 70,500 - 70,500 Census based [R866] 1999 - 2009 INC Good [R866] [R888] 710 2012 [T5864]
Svalbard/South-west Scotland 1999 - 2009 30,000 - 30,000 Census based [R866] 1999 - 2009 INC Good [R866] [R888] 300 2012 [T5865]
Russia/Germany & Netherlands 1999 - 2009 770,000 - 770,000 Census based [R866] 1997 - 2007 INC Good [R866] [R888] 7700 2012 [T5866]
Branta ruficollis (Red-breasted Goose)
Northern Siberia/Black Sea & Caspian 1996 - 2006 44,000 - 44,000 Expert opinion [R866] 1996 - 2006 DEC Reasonable [R866] [R888] 440 2012 [T5887]
Branta hutchinsii (Cackling Goose)
hutchinsii/parvipes Western Tall Grass Prairie 2011 - 2011 128,000 - 322,000 Expert opinion [R1180] 2002 - 2011 INC [R1180] 2000 2012 [P1028]
hutchinsii/parvipes Eastern Tall Grass Prairie 2011 - 2011 427,000 - 428,000 Expert opinion [R1180] 1992 - 2001 STA [R651] 4300 2012 [P1029]
leucopareia, Aleutian (Buldir-California) 2011 - 2011 91,800 - 132,000 Expert opinion [R1180] 2003 - 2011 INC [R1180] 1100 2012 [P2037]
leucopareia, Kuril (Ekarmar-Japan) 2005 - 2011 40 - 250 Census based 1995 - 2011 INC Good 1 2012 [P2448] [S7921]
Branta canadensis (Canada Goose)
canadensis/interior, NE Canada (bre) "Atlantic" 2011 - 2011 780,000 - 1,060,000 Expert opinion [R1180] 2002 - 2011 STA [R1180] 9100 2012
moffitti, Hi-line 2011 - 2011 274,000 - 274,000 Expert opinion [R1180] 2002 - 2011 INC [R1180] 2700 2012
moffitti, Rocky Mountains 2011 - 2011 111,000 - 112,000 Expert opinion [R1180] 2002 - 2011 DEC [R1180] 1100 2012
fulva, Pacific 2011 - 2011 59,600 - 163,000 Expert opinion [R1180] 2002 - 2011 INC [R1180] 980 2012
occidentalis Dusky 2011 - 2011 11,800 - 11,800 Expert opinion [R1180] 2002 - 2011 DEC [R1180] 120 2012
minima Cackling 2011 - 2011 158,000 - 202,000 Expert opinion [R1180] 2002 - 2011 INC [R1180] 1800 2012 [P2035]
taverneri/parvipes Taverner 2011 - 2011 27,400 - 67,600 Expert opinion [R1180] 2002 - 2011 DEC [R1180] 430 2012 [P2036]
canadensis/interior, "North Atlantic" 2011 - 2011 79,500 - 233,000 Expert opinion [R1180] 2002 - 2011 DEC [R1180] 1400 2012
Atlantic flyway resident (various subspecies) 2011 - 2011 845,000 - 1,190,000 Expert opinion [R1180] 2003 - 2011 DEC [R1180] 10000 2012 [P2040]
interior, S James Bay (bre) 2011 - 2011 69,400 - 105,000 Expert opinion [R1180] 2002 - 2011 INC [R1180] 850 2012
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Copyright Wetlands International 2012

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