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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
Ciconiiformes
Ardeidae
Egretta thula (Snowy Egret)
thula,Caribbean 2006 - 2007 12,500 - 36,100 Expert opinion [R1021] 0 - 0 Unknown No idea 210 2012 [P1624] [S6462]
thula, South America 2005 - 2011 300,000 - 1,000,000 Best guess [R1092] [R1141] [R1191] 2001 - 2010 STA Reasonable [R1092] [R1141] [R1191] 5500 2012 [P1625]
Egretta garzetta (Little Egret)
garzetta, Sub-Saharan Africa 2001 - 2001 200,000 - 500,000 Expert opinion [R190] 1990 - 2000 STA No idea [R66] 3200 2012
garzetta, Western Europe, NW Africa 1998 - 1998 125,000 - 143,000 Expert opinion [R280] 1997 - 2007 INC Good [R867] [R888] 1300 2012 [P1601] [T5355]
garzetta, Central & E Europe, Black Sea, E Mediterranean 1986 - 1997 44,000 - 72,400 Expert opinion [R280] 1988 - 1998 STA Poor [R280] 560 2012
garzetta, Western Asia/SW Asia, NE & Eastern Africa 1987 - 1991 25,000 - 100,000 Best guess [R519] 1997 - 2007 Unknown No idea 1000 2012 [T5357]
garzetta, West Indies 2006 - 2006 30 - 60 [R668] 1991 - 2001 INC [R522] 1 2012 [P1604] [S6442]
garzetta, South Asia 0 - 0 100,000 - 200,000 [R20] 0 - 0 Unknown No idea 1400 2012 [S6443]
garzetta, E, SE Asia 2001 - 2001 100,000 - 1,000,000 Best guess [R124] 1981 - 1991 STA [R124] 10000 2012
nigripes 1987 - 1991 25,000 - 1,000,001 Best guess [R519] 0 - 0 Unknown No idea 20000 2012
immaculata 2002 - 2004 25,000 - 100,000 Best guess [R341] [R1027] 0 - 0 Unknown No idea 1000 2012 [P1608] [S6446]
Egretta gularis (Western Reef-egret)
gularis, West Africa 1990 - 2000 10,000 - 100,000 Best guess [R232] 1991 - 2001 STA Poor [R190] 1000 2012 [P1609]
schistacea, North-east Africa & Red Sea 1990 - 2000 10,000 - 100,000 Best guess [R232] 1990 - 2000 STA No idea [R66] 1000 2012 [P1610]
schistacea, South-west Asia & South Asia 1987 - 1991 17,000 - 17,000 [R519] 1990 - 2000 STA No idea [R66] 170 2012 [P1611]
dimorpha, Madagascar 0 - 0 6,000 - 20,000 [R301] 0 - 0 DEC [R301] 110 2012
dimorpha, Aldabra & Amirante Is 0 - 0 3,000 - 9,000 [R552] 1991 - 2001 STA [R190] 50 2012
dimorpha, Coastal Eastern Africa 2001 - 2001 10,000 - 10,000 Best guess [R190] 1991 - 2001 STA Poor [R190] 100 2012
Egretta eulophotes (Chinese Egret)
E, SE Asia 2000 - 2010 3,000 - 4,100 Best guess [R1201] 0 - 0 STA [R65] 35 2012 [S6464]
Egretta sacra (Pacific Reef-egret)
sacra 2006 - 2006 100,000 - 1,000,000 Best guess [R668] 1985 - 2005 STA? [R668] 10000 2012 [S6465] [T5381]
albolineata 0 - 0 1,000 - 2,000 [R41] 1990 - 2000 STA [R41] 15 2012 [P1629]
Syrigma sibilatrix (Whistling Heron)
sibilatrix 2005 - 2011 25,000 - 100,000 Best guess [R1092] [R1183] [R1191] 2001 - 2010 STA Reasonable [R1092] [R1183] [R1191] 1000 2012
forstersmithi 2011 - 2011 10,000 - 10,000 Best guess [R1182] 2006 - 2010 FLU Poor [R1182] 100 2012
Pilherodius pileatus (Capped Heron)
C & S America 2005 - 2011 10,000 - 25,000 Best guess [R1240] 2001 - 2010 STA Poor [R1240] 250 2012
Nyctanassa violacea (Yellow-crowned Night-heron)
violacea, North America 0 - 0 75,000 - 150,000 [R106] 1966 - 2000 STA [R563] 1100 2012 [P1754]
violacea, Mexico to Honduras 0 - 0 -1 - -1 No estimate 0 - 0 Unknown No idea -1 0 [P1755] [S7720]
violacea, Socorro Island 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0 [P1756]
caliginis 2004 - 2004 900 - 900 Best guess [R1008] 1982 - 1992 STA [R482] 9 2012
cayennensis 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
bancrofti 0 - 0 -1 - -1 No estimate 0 - 0 Unknown No idea -1 0 [S7724]
pauper 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
Nycticorax nycticorax (Black-crowned Night-heron)
nycticorax, W Europe, NW Africa (bre) 2000 - 2005 61,000 - 97,000 Expert opinion [R431] 1990 - 2000 INC Poor [R1281] 770 2012 [P1762] [T5657]
hoactli, Caribbean 2006 - 2007 6,000 - 12,300 [R1021] 0 - 0 Unknown No idea 85 2012 [P1763] [S7727]
hoactli, northern South America (bre) 2005 - 2010 50,000 - 50,000 Best guess [R1092] [R1183] [R1191] 2001 - 2010 STA Poor [R1092] [R1183] [R1191] 500 2012 [P1764]
obscurus 2001 - 2001 25,000 - 1,000,000 Best guess [R570] 0 - 0 Unknown No idea 10000 2012
falklandicus, Falkland Islands (Malvinas) 0 - 0 5,700 - 10,800 [R709] 0 - 0 Unknown No idea 80 2012 [S7730]
nycticorax, C & E Europe/Black Sea & E Mediterranean (bre) 1990 - 2000 92,100 - 138,000 Expert opinion [R668] 1990 - 2000 INC Poor [R63] 1100 2012 [P1769] [T5662]
nycticorax, Western Asia/SW Asia & NE Africa 2002 - 2002 25,000 - 100,000 Best guess [R579] 1990 - 2000 STA No idea [R66] 1000 2012
nycticorax, Sub-Saharan Africa & Madagascar 2001 - 2001 25,000 - 1,000,000 Best guess [R190] 1991 - 2001 STA Poor [R190] 10000 2012
nycticorax, South Asia 0 - 0 100,000 - 150,000 [R32] 1977 - 1991 STA [R519] 1200 2012 [S7734]
nycticorax, E, SE Asia 2006 - 2006 100,000 - 1,000,000 Best guess [R668] 1981 - 1991 STA [R124] 10000 2012
hoactli, North America (bre) 1999 - 2011 75,000 - 150,000 Expert opinion [R106] 1990 - 2000 STA [R570] 1100 2012 [P1774] [S7736]
hoactli, Mexico 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0 [P1775]
hoactli, Central America 2005 - 2005 9,600 - 24,900 [R1114] 0 - 0 Unknown No idea 150 2012 [P1776]
Nycticorax duboisi (Reunion Night-heron)
Reunion 2005 - 2005 0 - 0 [R64] 1750 - 2005 EXT [R64] -1 0 [P527] [S6623]
Nycticorax mauritianus (Mauritius Night-heron)
Mauritius 2005 - 2005 0 - 0 [R64] 1750 - 2005 EXT [R64] -1 0 [P525] [S6621]
Nycticorax megacephalus (Rodrigues Night-heron)
Rodrigues 2005 - 2005 0 - 0 [R64] 1800 - 2005 EXT [R64] -1 0 [P528] [S6624]
Calherodius leuconotus (White-backed Night-heron)
Africa 0 - 0 25,000 - 100,000 Best guess [R192] 1991 - 2001 STA [R190] 1000 2012 [P1782]
Nycticorax caledonicus (Rufous Night-heron)
caledonicus 0 - 0 2,000 - 4,000 [R41] 1990 - 2000 STA [R41] 30 2012
manillensis 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0 [P1778]
pelewensis 2001 - 2001 1 - 10,000 Best guess [R202] 0 - 0 Unknown No idea 100 2012
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Copyright Wetlands International 2012

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