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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
Ciconiiformes
Threskiornithidae
Plegadis falcinellus (Glossy Ibis)
South-west Asia/Eastern Africa 1970 - 1995 25,000 - 100,000 Best guess [R579] 1990 - 2000 STA No idea [R66] 1000 2012
S, SE Asia (non-bre) 1987 - 1991 10,000 - 25,000 Best guess [R519] 1977 - 1991 DEC [R519] 250 2012
falcinellus, North & Central America, Caribbean 0 - 0 19,500 - 22,500 Best guess [R387] 1977 - 1985 DEC [R172] 210 2012 [S7861]
Philippines, Indonesia and Australia 1995 - 2009 25,000 - 1,000,000 Best guess [R286] [R341] [R1112] [R1149] [R1150] 1982 - 2011 DEC? No idea [R1113] [R1023] [R1022] 10000 2012 [P1900] [S7862] [T5505]
Plegadis chihi (White-faced Ibis)
S USA, Mexico, Central America 0 - 0 150,000 - 150,001 [R387] 1970 - 2000 STA [R387] 1500 2012 [S7863] [T5721]
Central South America 2006 - 2006 1,000,000 - 1,000,001 Best guess [R668] 1985 - 2005 INC [R668] 20000 2012
Plegadis ridgwayi (Puna Ibis)
South America 0 - 0 10,000 - 15,000 [R108] 1990 - 2000 DEC [R570] 120 2012
Lophotibis cristata (Madagascar Crested Ibis)
Madagascar 0 - 0 10,000 - 10,000 [R108] 1985 - 2005 STA [R668] 100 2012
Ardeidae
Zonerodius heliosylus (Forest Bittern)
New Guinea 2006 - 2006 1 - 10,000 No estimate [R668] 1985 - 2005 DEC [R668] 100 2012 [S7772]
Tigriornis leucolopha (White-crested Tiger-heron)
W & C Africa 2006 - 2006 25,000 - 100,000 Best guess [R668] 0 - 0 Unknown No idea 1000 2012
Tigrisoma lineatum (Rufescent Tiger-heron)
lineatum 2005 - 2005 2,700 - 5,500 [R1114] 0 - 0 Unknown No idea 40 2012 [S7770]
marmoratum 2005 - 2011 25,000 - 100,000 Best guess [R770] 2001 - 2010 STA Poor [R770] 1000 2012
Tigrisoma fasciatum (Fasciated Tiger-heron)
fasciatum 0 - 0 1 - 10,000 Best guess [R15] 0 - 0 Unknown No idea 100 2012
salmoni 2005 - 2005 2,520 - 5,050 [R1114] 0 - 0 Unknown No idea 35 2012 [P1804] [S7768]
pallescens 2004 - 2004 2,000 - 2,000 Best guess [R1240] 0 - 0 Unknown No idea 20 2012
Tigrisoma mexicanum (Bare-throated Tiger-heron)
Colombia to Mexico 2005 - 2005 17,100 - 47,500 [R1114] 2005 - 2005 INC [R1114] 290 2012
S Mexico 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0 [P1796]
Agamia agami (Agami Heron)
C & S America 2005 - 2011 10,000 - 25,000 Best guess [R1114] [R1191] 0 - 0 Unknown No idea 250 2012
Cochlearius cochlearius (Boat-billed Heron)
cochlearia 2011 - 2011 25,000 - 100,000 Best guess [R1240] 2001 - 2010 DEC Poor [R1191] 1000 2012
zeledoni 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
phillipsi 2005 - 2005 14,800 - 46,300 Census based [R1114] 0 - 0 Unknown No idea 260 2012 [S7754]
ridgwayi 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
panamensis 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
Zebrilus undulatus (Zigzag Heron)
South America 2004 - 2004 1 - 10,000 Best guess [R1240] 0 - 0 Unknown No idea 100 2012
Botaurus stellaris (Eurasian Bittern)
stellaris, W Europe, NW Africa (bre) 1983 - 1999 5,850 - 6,700 Expert opinion [R431] 1995 - 2005 DEC Reasonable [R668] 65 2012 [P1855]
stellaris, C & E Europe, Black Sea & E Mediterranean (bre) 1993 - 1993 53,800 - 125,000 Expert opinion [R431] 1995 - 2005 DEC Poor [R668] 820 2012 [P1856]
stellaris, South-west Asia (win) 2006 - 2006 25,000 - 100,000 Best guess [R668] 1990 - 2000 STA No idea [R66] 1000 2012
capensis, Southern Africa 1990 - 2000 5,000 - 5,000 Census based [R232] 1986 - 1996 DEC Poor [R295] 50 2012
stellaris, South Asia (non-bre) 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
stellaris, S & E Asia (non-bre) 2001 - 2001 25,000 - 100,000 Best guess [R124] 1981 - 1991 DEC [R124] 1000 2012 [P1860]
Botaurus poiciloptilus (Australasian Bittern)
SW Australia 2009 - 2010 60 - 230 Census based [R1026] 2000 - 2010 DEC Reasonable [R1144] [R1076] 1 2012 [P1862] [S7825] [T5468]
SE Australia 2009 - 2010 310 - 960 Census based [R1026] 2000 - 2010 DEC Reasonable [R1076] 5 2012 [P1863] [S7826] [T5469]
New Zealand 2011 - 2011 1,000 - 1,500 Expert opinion [R1139] 2001 - 2010 DEC? No idea [R1139] 10 2012 [P1864] [S7827] [T5470]
New Caledonia 2011 - 2011 -1 - -1 [R1059] 2001 - 2010 EXT? [R1059] -1 0 [P1865]
Botaurus lentiginosus (American Bittern)
North America 2000 - 2000 2,980,000 - 2,980,000 [R1192] 1966 - 2004 DEC? No idea [R1192] 29800 2012 [S7816]
Botaurus pinnatus (Pinnated Bittern)
pinnatus 2005 - 2011 10,000 - 25,000 Best guess [R1070] [R1183] [R1191] 2001 - 2010 STA Poor [R1183] [R1191] [R1070] 250 2012 [S7817]
caribaeus 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
Ixobrychus involucris (Stripe-backed Bittern)
N South America 1993 - 1993 100,000 - 1,000,000 Best guess [R119] 1982 - 1992 STA [R119] 10000 2012 [P1811]
S South America 2011 - 2011 10,000 - 25,000 Best guess [R1092] [R1183] 2001 - 2010 STA Reasonable [R1092] [R1183] 250 2012 [P1812]
Ixobrychus exilis (Least Bittern)
exilis 2000 - 2000 128,000 - 128,000 Best guess [R687] 0 - 0 Unknown No idea 1300 2012 [S7788]
pullus 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
bogotensis 2011 - 2011 1,000 - 1,000 Best guess [R1010] 2001 - 2010 DEC Reasonable [R1010] 10 2012
erythromelas 2005 - 2011 10,000 - 25,000 Best guess [R1010] 0 - 0 Unknown No idea 250 2012
peruvianus 2011 - 2011 1,000 - 5,000 Best guess [R1141] [R1183] 2001 - 2010 STA Poor [R1183] [R1141] 20 2012
Ixobrychus minutus (Common Little Bittern)
minutus, W Europe, NW Africa/Subsaharan Africa 2000 - 2005 11,900 - 17,900 Expert opinion [R431] 1995 - 2005 STA Poor [R63] 150 2012 [P1814] [T5708]
minutus, C & E Europe, Black Sea & E Mediterranean/Sub-saharan Africa 1995 - 2005 110,000 - 325,000 Expert opinion [R668] 1995 - 2005 DEC Poor [R668] 1900 2012 [P1815]
minutus, West & South-west Asia/Sub-Saharan Africa 1987 - 1991 25,000 - 100,000 Best guess [R519] 1990 - 2000 STA No idea [R66] 1000 2012
minutus, South Asia 1987 - 1991 10,000 - 25,000 Best guess [R519] 0 - 0 Unknown No idea 250 2012
payesii, Sub-Saharan Africa 1990 - 2000 25,000 - 100,000 Best guess [R232] 1990 - 2000 STA No idea [R66] 1000 2012
podiceps 0 - 0 3,000 - 15,000 [R301] 0 - 0 Unknown No idea 65 2012
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Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on