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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
Pelicaniformes
Phalacrocoracidae
Phalacrocorax capensis (Cape Cormorant)
Coastal Southern Africa 2005 - 2005 300,000 - 300,000 Census based [R64] 1977 - 1996 DEC Poor [R64] 3000 2012
Phalacrocorax nigrogularis (Socotra Cormorant)
Arabian Coast 2005 - 2005 270,000 - 270,000 Expert opinion [R346] 1960 - 2000 DEC Poor [R68] 2700 2012 [P1536]
Gulf of Aden, Socotra, Arabian Sea 2000 - 2000 60,000 - 60,000 Expert opinion [R345] 1990 - 2000 STA/INC No idea [R192] 600 2012 [P1537]
Phalacrocorax neglectus (Bank Cormorant)
Coastal South-west Africa 1990 - 2000 11,100 - 11,100 Expert opinion [R196] 1994 - 2004 DEC Poor [R317] 110 2012
Phalacrocorax capillatus (Japanese Cormorant)
East Asia 0 - 0 25,000 - 100,000 Best guess [R164] 0 - 0 Unknown No idea 1000 2012
Phalacrocorax penicillatus (Brandt's Cormorant)
W North America 2001 - 2005 100,000 - 100,000 Census based [R1175] 2001 - 2005 DEC [R1175] 1000 2012 [S6343]
Phalacrocorax aristotelis (European Shag)
aristotelis 1990 - 2000 199,000 - 205,000 [R63] 1990 - 2000 DEC [R63] 2000 2012 [S6405]
desmarestii 0 - 0 30,000 - 30,000 [R4] 1965 - 1980 DEC [R165] 300 2012
riggenbachi 1994 - 1994 5,000 - 5,000 [R70] 1991 - 2001 STA [R190] 50 2012
Phalacrocorax pelagicus (Pelagic Cormorant)
pelagicus 2006 - 2011 10,000 - 25,000 Census based 1965 - 1980 STA [R165] 250 2012 [S6638] [T4864]
resplendens 0 - 0 -1 - -1 1970 - 2000 DEC [R387] -1 0
Phalacrocorax urile (Red-faced Cormorant)
N Pacific 0 - 0 200,000 - 200,000 [R179] 0 - 0 Unknown No idea 2000 2012
Phalacrocorax magellanicus (Rock Shag)
S South America 1993 - 2003 10,000 - 25,000 Best guess [R1073] 1996 - 2005 STA Reasonable [R1073] 250 2012
Falkland Islands (Malvinas) 0 - 0 96,000 - 177,000 [R709] 0 - 0 Unknown No idea 1300 2012 [P1562] [S6403]
Phalacrocorax bougainvilliorum (Guanay Cormorant)
Peru, Chile 1998 - 1998 2,500,000 - 5,000,000 Expert opinion [R1024] 2001 - 2010 DEC [R64] 35400 2012
Argentina 0 - 0 18 - 18 [R721] 0 - 0 Unknown No idea 1 2012
Phalacrocorax varius (Great Pied Cormorant)
varius 0 - 0 10,000 - 25,000 Best guess [R165] 0 - 0 Unknown No idea 250 2012
hypoleucos 2004 - 2004 25,000 - 100,000 Best guess [R341] 0 - 0 Unknown No idea 1000 2012 [S6356]
Phalacrocorax fuscescens (Black-faced Cormorant)
S Australia 1989 - 1989 1 - 25,000 Best guess [R287] 1980 - 1989 DEC? No idea [R287] 250 2012 [S6346]
Phalacrocorax carunculatus (Rough-faced Shag)
New Zealand 2005 - 2005 645 - 645 Census based [R1161] 1996 - 2005 STA Reasonable [R1161] 6 2012 [T5308]
Phalacrocorax chalconotus (Stewart Shag)
Stewart Is 2005 - 2005 5,000 - 8,000 [R64] 0 - 0 Unknown No idea 65 2012
Phalacrocorax onslowi (Chatham Shag)
Chatham Is 2005 - 2005 810 - 810 [R64] 1997 - 2003 DEC [R64] 8 2012 [S6399] [T5315]
Phalacrocorax colensoi (Auckland Shag)
Auckland Is 2005 - 2005 2,000 - 2,000 [R64] 1995 - 2005 STA [R64] 20 2012
Phalacrocorax campbelli (Campbell Shag)
Campbell Is 2005 - 2005 8,000 - 8,000 [R64] 1995 - 2005 STA [R64] 80 2012
Phalacrocorax ranfurlyi (Bounty Shag)
Bounty Is 2005 - 2005 1,140 - 1,140 [R64] 1995 - 2005 STA [R64] 10 2012
Phalacrocorax atriceps (Imperial Shag)
atriceps 0 - 0 100,000 - 1,000,000 Best guess [R721] 1987 - 1997 DEC [R721] 10000 2012
albiventer 0 - 0 135,000 - 252,000 [R709] 0 - 0 Unknown No idea 1800 2012
bransfieldensis 0 - 0 40,000 - 40,000 [R165] 0 - 0 Unknown No idea 400 2012 [P1544]
georgianus 0 - 0 20,000 - 20,000 [R165] 0 - 0 Unknown No idea 200 2012 [P1545]
melanogenis 2001 - 2001 3,420 - 3,430 [R190] 1991 - 2001 STA [R190] 35 2012 [P1546]
verrucosus 0 - 0 30,000 - 35,000 [R621] 0 - 0 Unknown No idea 320 2012 [P1547]
nivalis 2005 - 2005 3,000 - 3,000 Census based [R1194] [R1195] 1996 - 2005 STA Reasonable [R1076] 30 2012 [P1548] [S6389]
purpurascens 2008 - 2008 1,740 - 1,740 Census based [R1074] 1999 - 2008 STA Reasonable [R1076] 15 2012 [P1549] [S6390] [T5306]
Phalacrocorax gaimardi (Red-legged Cormorant)
Pacific South America 2007 - 2007 30,000 - 30,000 Census based [R1072] 2001 - 2010 DEC Good [R1072] 300 2012 [P1567]
Atlantic Argentina 1998 - 2003 1,800 - 2,200 Census based [R1073] 1990 - 2000 STA Good [R1073] 20 2012 [P1568]
Microcarbo melanoleucos (Little Pied Cormorant)
melanoleucos 2004 - 2004 10,000 - 100,000 Best guess [R341] [R484] 0 - 0 Unknown No idea 1000 2012 [P1493] [S6337] [T5253]
(melvillensis) 2001 - 2010 -1 - -1 No estimate 0 - 0 Unknown No idea -1 0
brevicauda 2001 - 2001 1,000 - 1,000 [R202] 0 - 0 Unknown No idea 10 2012
brevirostris 0 - 0 25,000 - 100,000 Best guess [R165] 0 - 0 Unknown No idea 1000 2012
Phalacrocorax punctatus (Spotted Shag)
punctatus 0 - 0 25,000 - 100,000 Best guess [R165] 0 - 0 Unknown No idea 1000 2012
oliveri 0 - 0 10,000 - 50,000 [R165] 0 - 0 Unknown No idea 220 2012
Phalacrocorax featherstoni (Pitt Shag)
Chatham is 2005 - 2005 1,600 - 1,600 [R64] 1997 - 2003 DEC [R64] 15 2012 [S6415]
Microcarbo africanus (Long-tailed Cormorant)
africanus, W Africa 0 - 0 100,000 - 200,000 [R192] 1991 - 2001 STA [R190] 1400 2012 [S6329]
africanus, S, E Africa 2001 - 2001 100,000 - 1,000,000 Best guess [R190] 1991 - 2001 STA [R190] 10000 2012
pictilis 0 - 0 500 - 2,500 [R726] 1991 - 2001 DEC [R301] 10 2012
Microcarbo coronatus (Crowned Cormorant)
Coastal South-west Africa 1990 - 2000 8,700 - 8,700 Expert opinion [R196] 1990 - 2000 STA Poor [R196] 85 2012
Microcarbo niger (Little Cormorant)
South Asia 0 - 0 250,000 - 250,000 [R32] 0 - 0 Unknown No idea 2500 2012 [S6335]
SE Asia 2001 - 2001 25,000 - 100,000 Best guess [R124] 0 - 0 Unknown No idea 1000 2012
Microcarbo pygmaeus (Pygmy Cormorant)
Black Sea & Mediterranean 2005 - 2005 23,000 - 37,000 Expert opinion [R64] 1997 - 2007 STA/INC No idea [R888] 290 2012 [T5249]
South-west Asia 1996 - 1996 25,000 - 100,000 Best guess [R579] 1990 - 2000 STA No idea [R66] 1000 2012
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Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on