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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
Ixobrychus dubius (Australian Little Bittern)
dubius 1994 - 2010 1 - 10,000 Best guess [R341] [R1025] [R1041] [R1044] [R1103] 1982 - 2011 DEC? No idea [R1101] 100 2012 [P1820] [S7783] [T5714]
Ixobrychus novaezelandiae (New Zealand Little Bittern)
New Zealand 0 - 0 0 - 0 [R534] 1982 - 1992 EXT [R534] -1 0 [P1825]
Ixobrychus sinensis (Yellow Bittern)
Seychelles 0 - 0 1 - 300 [R552] 1991 - 2001 DEC [R597] 1 2012
South Asia 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
E & SE Asia 2006 - 2006 100,000 - 1,000,000 Best guess [R668] 1985 - 2005 INC [R668] 10000 2012 [S7786]
Ixobrychus eurhythmus (Schrenck's Bittern)
E & SE Asia 0 - 0 1 - 25,000 Best guess [R395] 1985 - 1995 DEC [R395] 250 2012
Ixobrychus cinnamomeus (Cinnamon Bittern)
South Asia 1987 - 1991 25,000 - 1,000,000 Best guess [R519] 0 - 0 Unknown No idea 10000 2012
E, SE Asia 2006 - 2006 100,000 - 1,000,000 Best guess [R668] 1985 - 2005 STA [R668] 10000 2012
Ixobrychus sturmii (Dwarf Bittern)
Sub-Saharan Africa 1990 - 2000 25,000 - 100,000 Best guess [R232] 1990 - 2000 STA No idea [R66] 1000 2012
Ixobrychus flavicollis (Black Bittern)
flavicollis, South Asia 1987 - 1991 25,000 - 100,000 Best guess [R519] 0 - 0 Unknown No idea 1000 2012 [P1845]
flavicollis, E, SE Asia 2006 - 2006 10,000 - 100,000 Best guess [R668] 0 - 0 Unknown No idea 1000 2012
australis, Australia, New Guinea 1999 - 2002 10,000 - 100,000 Best guess [R267] [R1027] [R1101] 1991 - 2000 DEC Poor [R267] 1000 2012 [P1847] [S7811]
australis, Timor 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
australis, Rennell Island 2001 - 2001 1 - 500 [R202] 0 - 0 Unknown No idea 1 2012 [P1849]
australis, New Britain, New Ireland 2001 - 2001 1 - 10,000 Best guess [R202] 0 - 0 Unknown No idea 100 2012 [P1850]
woodfordi 2001 - 2001 1 - 10,000 Best guess [R202] 0 - 0 Unknown No idea 100 2012
Gorsachius magnificus (White-eared Night-heron)
SE Asia 2000 - 2000 250 - 1,000 [R65] 1995 - 2005 DEC [R64] 5 2012 [S7745]
Gorsachius goisagi (Japanese Night-heron)
E & SE Asia 2005 - 2005 250 - 1,000 [R64] 1975 - 1995 DEC [R64] 5 2012
Gorsachius melanolophus (Malay Night-heron)
South Asia 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
SE Asia 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
Philippines 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0 [P1787]
Palawan, Philippines 0 - 0 1 - 10,000 Best guess [R395] 0 - 0 Unknown No idea 100 2012 [P1788]
Nicobar Is 0 - 0 1 - 10,000 Best guess [R395] 0 - 0 Unknown No idea 100 2012 [P1789]
Calherodius leuconotus (White-backed Night-heron)
Africa 0 - 0 25,000 - 100,000 Best guess [R192] 1991 - 2001 STA [R190] 1000 2012 [P1782]
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]
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 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
mandibularis 2001 - 2001 10,000 - 100,000 Best guess [R202] 0 - 0 Unknown No idea 1000 2012 [P1780]
hilli 2004 - 2011 25,000 - 1,000,000 Best guess [R341] [R1101] [R1149] [R1150] 1982 - 2011 FLU Poor [R1101] [R341] 10000 2012 [S7743] [T5674]
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
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Copyright Wetlands International 2012

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