Toggle form

Options de filtre


Taxonomie




Ordre
Famille
Espèce
Population
Abandonné Année d’estimation de la taille Taille de population Qualité de l’estimation de la taille Références bibliographiques sur la taille Année d’estimation de la tendance Tendance Qualité de l’estimation de la tendance Références bibliographiques sur la tendance Seuil de 1% de la population Année de seuil Notes
Podicipediformes
Podicipedidae
Rollandia rolland (White-tufted Grebe)
rolland 0 - 0 2,250 - 4,200 [R709] 0 - 0 Unknown No idea 30 2012
chilensis 1987 - 1991 100,000 - 100,000 [R497] 1990 - 2000 STA [R570] 1000 2012
morrisoni 1987 - 1991 1,000 - 1,000 [R497] 1977 - 1995 DEC [R497] 10 2012
Rollandia microptera (Titicaca Grebe)
microptera 2003 - 2003 1,600 - 1,600 Census based [R1024] 2003 - 2005 DEC Good [R495] 15 2012
Poliocephalus poliocephalus (Hoary-headed Grebe)
Australia, New Zealand 1997 - 2011 25,000 - 1,000,000 Best guess [R236] [R341] [R1101] 1982 - 2011 FLU Poor [R1101] 10000 2012 [S7546]
Poliocephalus rufopectus (New Zealand Grebe)
New Zealand 2005 - 2005 1,700 - 1,800 [R64] 1995 - 2005 DEC [R64] 15 2012
Podiceps major (Great Grebe)
major, Brazil-C Chile 2011 - 2011 10,000 - 25,000 Best guess [R1011] [R1183] 2001 - 2010 STA Poor [R1011] [R1183] 250 2012
major, Peru 2011 - 2011 5,000 - 15,000 Best guess [R1009] 2001 - 2010 STA Poor [R1009] 85 2012
navasi 2001 - 2001 25,000 - 100,000 Best guess [R570] 1990 - 2000 STA [R570] 1000 2012
Podiceps grisegena (Red-necked Grebe)
grisegena, North-west Europe (win) 1990 - 2000 42,000 - 60,000 Expert opinion [R63] 1990 - 2000 DEC Poor [R63] 500 2012
grisegena, Black Sea & Mediterranean (win) 1990 - 2000 41,000 - 107,000 Expert opinion [R63] 1990 - 2000 DEC Poor [R63] 660 2012
grisegena, Caspian (win) 1987 - 1991 15,000 - 15,000 Expert opinion [R497] 1990 - 2000 STA No idea [R66] 150 2012
grisegena (balchashensis) 1987 - 1991 1 - 10,000 Best guess [R497] 0 - 0 Unknown No idea 100 2012 [P1423]
holboellii, E Asia 0 - 0 50,000 - 50,000 [R460] 0 - 0 Unknown No idea 500 2012 [S7555]
holboellii, North America 0 - 0 45,000 - 45,000 [R344] 0 - 0 Unknown No idea 450 2012
Podiceps cristatus (Great Crested Grebe)
cristatus, North-west & Western Europe 1990 - 2000 290,000 - 420,000 Expert opinion [R63] 1997 - 2007 DEC? No idea [R63] [R888] 3500 2012 [T3929]
cristatus, Black Sea & Mediterranean (win) 1990 - 2000 580,000 - 870,000 Expert opinion [R63] 1990 - 2000 DEC Poor [R63] 7100 2012
cristatus, Caspian & South-west Asia (win) 1987 - 1991 10,000 - 10,000 Expert opinion [R497] 1997 - 2007 Unknown No idea 100 2012 [T3931]
cristatus, South Asia (non-bre) 1987 - 1991 10,000 - 25,000 Best guess [R519] 1977 - 1991 INC [R519] 250 2012
infuscatus, Eastern Africa (Ethiopia to N Zambia) 1996 - 1996 1 - 1,000 Best guess [R191] 1984 - 1994 DEC Poor [R497] 1 2012 [P1432]
infuscatus, Southern Africa 2005 - 2005 1 - 10,000 Best guess [R668] 1999 - 2007 Unknown No idea 100 2012 [P1433] [T3934]
cristatus, E Asia (non-bre) 0 - 0 25,000 - 50,000 [R460] 0 - 0 Unknown No idea 350 2012 [S7563]
australis, Australia 2004 - 2011 1 - 25,000 Best guess [R341] 2001 - 2010 Unknown No idea 250 2012 [P1435] [S7564]
australis, New Zealand 2004 - 2004 340 - 350 Census based [R1106] 1980 - 2004 INC Reasonable [R1106] 3 2012 [P1436] [T3937]
Podiceps auritus (Horned Grebe)
auritus, North-west Europe (large-billed) 1990 - 2000 4,600 - 6,800 Expert opinion [R63] 1990 - 2000 STA Poor [R63] 55 2012
auritus, North-east Europe (small-billed) 1990 - 2000 14,200 - 26,000 Expert opinion [R63] 1990 - 2000 DEC Reasonable [R63] 190 2012
auritus, Caspian & South Asia (win) 1987 - 1991 10,000 - 25,000 Best guess [R497] 1990 - 2000 STA No idea [R66] 250 2012
auritus, E Asia (non-bre) 0 - 0 10,000 - 25,000 Best guess [R460] 0 - 0 Unknown No idea 250 2012 [S7570]
cornutus 1993 - 2005 200,000 - 500,000 Census based [R1051] 1993 - 2005 DEC Good [R1051] 3200 2012
Podiceps nigricollis (Black-necked Grebe)
nigricollis, Europe/South & West Europe & North Africa 1990 - 2000 159,000 - 268,000 Expert opinion [R63] 1997 - 2007 DEC Reasonable [R888] 2100 2012 [T3944]
nigricollis, E Africa 2001 - 2001 10,000 - 25,000 Best guess [R190] 1991 - 2001 STA [R190] 250 2012 [P1444]
nigricollis, Western Asia/South-west & South Asia 1987 - 1991 25,000 - 25,000 Expert opinion [R519] 1997 - 2007 INC Poor [R888] 250 2012 [T3946]
gurneyi, Southern Africa 2010 - 2010 20,000 - 30,000 Expert opinion [R909] 1990 - 2000 INC Poor [R579] 240 2012 [S7575]
nigricollis, E Asia (non-bre) 1987 - 1991 10,000 - 100,000 Best guess [R519] 0 - 0 Unknown No idea 1000 2012
californicus 0 - 0 3,700,000 - 3,700,000 Expert opinion [R344] 1990 - 2012 STA [R1097] 37000 2012 [S7577] [T3949]
Podiceps andinus (Colombian Grebe)
Colombia 1987 - 1991 0 - 0 [R497] 1981 - 1995 EXT [R497] -1 0
Podiceps juninensis (Northern Silvery Grebe)
juninensis 0 - 0 -1 - -1 1984 - 1994 DEC [R497] -1 0
Podiceps occipitalis (Southern Silvery Grebe)
occipitalis, S South America 1987 - 1991 100,000 - 100,000 [R497] 1984 - 1994 STA [R497] 1000 2012
occipitalis, Falkland Islands (Malvinas) 0 - 0 1,500 - 2,700 [R709] 0 - 0 Unknown No idea 20 2012 [P1451]
Podiceps taczanowskii (Junin Grebe)
Peru 2001 - 2007 50 - 250 Census based [R1024] 2001 - 2007 DEC Good [R64] 1 2012
Podiceps gallardoi (Hooded Grebe)
Argentina & Chile 2011 - 2011 780 - 1,000 Expert opinion [R1094] 2001 - 2010 DEC Good [R1094] 9 2012
Aechmophorus occidentalis (Western Grebe)
occidentalis 2001 - 2011 120,000 - 120,000 Census based [R387] [R1274] 1980 - 1990 DEC [R608] 1200 2012 [S7584] [T3956]
ephemeralis 2006 - 2006 1 - 10,000 Best guess [R668] 0 - 0 Unknown No idea 100 2012
Aechmophorus clarkii (Clark's Grebe)
clarkii 2006 - 2006 1 - 1,000 [R668] 0 - 0 Unknown No idea 1 2012 [S7586]
transitionalis 2001 - 2011 10,000 - 20,000 Census based [R1274] 0 - 0 Unknown No idea 140 2012 [S7587]
Phoecopteriformes
Phoenicopteridae
Phoenicopterus roseus (Greater Flamingo)
Eastern Africa 1975 - 1975 35,000 - 35,000 Census based [R352] 1991 - 2001 STA Poor [R190] 350 2012 [P1869]
Southern Africa (to Madagascar) 2005 - 2005 65,000 - 87,000 Expert opinion [R668] 1995 - 2005 STA Poor [R668] 750 2012 [P1870]
West Africa 2005 - 2005 45,000 - 95,000 Expert opinion [R47] 1995 - 2005 INC Poor [R47] 650 2012 [P1871]
West Mediterranean 2005 - 2005 100,000 - 165,000 Expert opinion [R47] 1994 - 2004 INC Reasonable [R46] 1300 2012 [P1872]
East Mediterranean 2005 - 2005 60,000 - 60,000 Census based [R47] 1995 - 2005 STA Poor [R47] 600 2012 [P1873]
Please narrow your search down to enable Export and Print options



Copyright Wetlands International 2012

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