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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
Microcarbo melanoleucos (Little Pied Cormorant)
brevirostris 0 - 0 25,000 - 100,000 Best guess [R165] 0 - 0 Unknown No idea 1000 2012
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]
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 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 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 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 colensoi (Auckland Shag)
Auckland Is 2005 - 2005 2,000 - 2,000 [R64] 1995 - 2005 STA [R64] 20 2012
Phalacrocorax auritus (Double-crested Cormorant)
auritus 2000 - 2011 947,000 - 1,020,000 Expert opinion [R1174] [R1274] [R1303] [R1304] [R1305] [R1306] [R1307] [R1308] [R1309] [R1310] [R1311] [R1312] [R1313] [R1314] 2000 - 2011 STA? No idea [R1174] 9800 2012
cincinatus 1970 - 2000 9,080 - 9,090 Expert opinion [R298] 1970 - 2000 Unknown No idea 90 2012
albociliatus 2000 - 2011 98,900 - 107,000 Expert opinion [R298] 2000 - 2011 STA? [R563] 1000 2012
floridanus 2000 - 2011 23,300 - 24,500 Expert opinion [R298] 2000 - 2011 DEC [R563] 240 2012
Phalacrocorax brasilianus (Neotropical Cormorant)
brasilianus 1993 - 1993 2,000,000 - 2,000,001 [R119] 1990 - 2000 INC [R570] 20000 2012 [P1504]
mexicanus 2005 - 2007 163,000 - 1,140,000 [R1021] 0 - 0 INC [R1172] 4300 2012 [S6348]
(hornensis) 2001 - 2001 1 - 10,000 Best guess [R570] 0 - 0 Unknown No idea 100 2012
Phalacrocorax harrisi (Flightless Cormorant)
Galapagos Is 2006 - 2006 1,670 - 1,680 Census based [R1024] 0 - 0 Unknown No idea 15 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 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 perspicillatus (Spectacled Cormorant)
Commander Is 1966 - 1966 0 - 0 [R275] 0 - 1850 EXT [R275] -1 0
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 carbo (Great Cormorant)
carbo, Greenland 0 - 0 15,000 - 15,000 [R78] 1976 - 1995 INC [R78] 150 2012 [P1517]
carbo, North America 2001 - 2011 17,400 - 37,500 Expert opinion [R1274] 1923 - 1999 STA [R297] 260 2012 [S6361] [T5277]
sinensis, South Asia (non-bre) 0 - 0 25,000 - 100,000 Best guess [R404] 0 - 0 Unknown No idea 1000 2012
sinensis, E, SE Asia (non-bre) 0 - 0 25,000 - 100,000 Best guess [R416] 0 - 0 Unknown No idea 1000 2012
hanedae 0 - 0 50,000 - 60,000 [R246] 1991 - 2001 INC [R246] 550 2012
novaehollandiae, (carboides), Australia 2004 - 2011 25,000 - 100,000 Best guess [R341] [R1149] 0 - 0 Unknown No idea 1000 2012 [P1522] [S6365] [T5281]
novaehollandiae (steadi), New Zealand 0 - 0 10,000 - 25,000 Best guess [R165] 0 - 0 Unknown No idea 250 2012 [P1523]
carbo, North-west Europe 1990 - 2000 120,000 - 120,000 Expert opinion [R63] 1997 - 2007 INC Good [R888] 1200 2012 [T5283]
sinensis, Northern & Central Europe 1990 - 2000 380,000 - 405,000 Expert opinion [R63] 1997 - 2007 INC Good [R888] 3900 2012 [T5284]
sinensis, Black Sea & Mediterranean 1990 - 2000 350,000 - 450,000 Expert opinion [R63] 1990 - 2000 INC Good [R888] 4000 2012 [T5285]
sinensis, West & South-west Asia 1987 - 1991 100,000 - 100,000 Expert opinion [R519] 1991 - 2007 Unknown No idea 1000 2012 [T5286]
lucidus, Central & Eastern Africa 2001 - 2001 200,000 - 500,000 Expert opinion [R190] 1991 - 2001 STA Poor [R190] 3200 2012 [P1529]
lucidus, Coastal West Africa 2001 - 2001 35,000 - 35,000 Best guess [R190] 1991 - 2001 STA Poor [R190] 350 2012 [P1530]
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Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on