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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
Anhima cornuta (Horned Screamer)
N South America 2005 - 2011 25,000 - 100,000 Best guess [R1092] [R1141] [R1191] 2001 - 2010 STA Poor [R1092] [R1141] [R1191] 1000 2012
Chauna chavaria (Northern Screamer)
N Colombia, NW Venezuela 2011 - 2011 2,500 - 10,000 Expert opinion [R1024] 2001 - 2010 DEC Poor [R214] 50 2012
Chauna torquata (Southern Screamer)
C South America 2005 - 2011 100,000 - 1,000,000 Best guess [R1070] [R1092] [R1183] [R1191] 2001 - 2010 STA Reasonable [R119] 10000 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 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 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]
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 arborea (West Indian Whistling-duck)
Caribbean 2005 - 2007 10,000 - 20,000 [R1019] 2005 - 2007 INC [R1019] 140 2012
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 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 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
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
Heteronetta atricapilla (Black-headed Duck)
S C South America 2011 - 2011 10,000 - 25,000 Best guess [R1092] 0 - 0 Unknown No idea 250 2012
Nomonyx dominicus (Masked Duck)
Caribbean, C & N South America 2005 - 2011 25,000 - 100,000 Best guess [R1070] [R1092] [R1183] [R1191] 2001 - 2010 STA Poor [R1191] [R1183] [R1092] [R1070] 1000 2012 [P1362]
Oxyura jamaicensis (Ruddy Duck)
jamaicensis 0 - 0 -1 - -1 No estimate 0 - 0 Unknown No idea -1 0 [S7497]
(rubida) 0 - 0 485,000 - 485,000 [R699] 1985 - 1995 STA [R348] 4900 2012 [P1364]
Oxyura ferruginea (Andean Duck)
andina 2011 - 2011 10,000 - 10,000 Expert opinion [R1010] 2001 - 2010 DEC Reasonable [R348] 100 2012 [P1365]
ferruginea, S American Andes 0 - 0 25,000 - 100,000 Best guess [R214] 1985 - 1995 DEC [R348] 1000 2012 [P1366]
Oxyura vittata (Lake Duck)
S South America 2011 - 2011 25,000 - 100,000 Best guess [R1183] 1972 - 1992 STA [R214] 1000 2012
Oxyura australis (Blue-billed Duck)
SE Australia 2004 - 2009 10,000 - 10,000 Expert opinion [R341] [R1076] 1992 - 2010 DEC Poor [R1076] 100 2012 [P1376] [S7509]
SW Australia 1981 - 2010 5,000 - 5,000 Expert opinion [R287] [R341] [R1104] [R1146] 1981 - 2010 DEC Poor [R1117] [R341] 50 2012 [P1377] [S7510]
Oxyura maccoa (Maccoa Duck)
Ethiopian Highlands 0 - 0 500 - 2,000 [R59] 1991 - 2001 DEC [R190] 10 2012 [P1372]
Eastern Africa 2001 - 2001 1,500 - 1,500 Best guess [R190] 1991 - 2001 DEC Poor [R190] 15 2012 [P1373]
Southern Africa 2000 - 2005 7,000 - 8,250 Expert opinion [R59] 1900 - 2005 Unknown No idea 75 2012
Oxyura leucocephala (White-headed Duck)
West Mediterranean (Spain & Morocco) 2001 - 2001 2,500 - 2,500 Expert opinion [R633] 1997 - 2007 INC Reasonable [R888] 25 2012 [P1367] [T5211]
Algeria & Tunisia 2000 - 2000 400 - 600 Expert opinion [R24] 1986 - 1996 STA Poor [R578] 5 2012 [P1368]
East Mediterranean, Turkey & South-west Asia 2002 - 2002 5,000 - 10,000 Expert opinion [R411] 1997 - 2007 DEC Reasonable [R870] [R888] 70 2012 [T5213]
South Asia (non-bre) 2000 - 2010 1 - 50 Best guess [R412] 1993 - 2003 DEC [R411] 1 2012 [S7504] [T5214]
Biziura lobata (Musk Duck)
SE Australia 2004 - 2004 10,000 - 25,000 Best guess [R341] 0 - 0 Unknown No idea 250 2012 [P1400] [S7532]
SW Australia 1989 - 2010 1 - 25,000 Best guess [R287] [R341] [R1101] [R1145] 0 - 0 Unknown No idea 250 2012 [P1401] [S7533]
Tasmania 2004 - 2011 1 - 10,000 Best guess [R341] [R1028] [R1101] 0 - 0 Unknown No idea 100 2012 [P1402] [S7534]
Malacorhynchus membranaceus (Pink-eared Duck)
Australia 2004 - 2011 100,000 - 1,000,000 Best guess [R341] [R1112] [R1148] [R1149] 1982 - 2011 FLU Reasonable [R1148] 10000 2012 [P2294] [S8076] [T6083]
Stictonetta naevosa (Freckled Duck)
E Australia 1999 - 2010 10,000 - 25,000 Best guess [R267] [R341] [R1148] 1982 - 2011 FLU Reasonable [R1148] [R267] 250 2012 [P1462] [T3960]
SW Australia 1999 - 2005 500 - 1,000 Expert opinion [R267] [R341] [R1116] [R1146] 1982 - 2011 DEC? No idea [R1101] 7 2012 [P1463] [S7589]
Cereopsis novaehollandiae (Cape Barren Goose)
novaehollandiae 2004 - 2011 10,000 - 25,000 Best guess [R341] [R1028] 2001 - 2010 STA? No idea [R1101] 250 2012 [S7058]
grisea 2009 - 2009 975 - 975 Expert opinion [R1076] 2000 - 2009 STA Reasonable [R1076] 10 2012 [S7059]
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Copyright Wetlands International 2012

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