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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
Charadriiformes
Laridae
Larus glaucoides (Iceland Gull)
kumlieni 2001 - 2011 100,000 - 100,001 Expert opinion [R1274] 0 - 0 Unknown No idea 1000 2012 [S7228]
Larus thayeri (Thayer's Gull)
thayeri, N Canada (bre) 2006 - 2011 15,000 - 37,500 Expert opinion [R1274] 0 - 0 Unknown No idea 240 2012 [P544]
Larus argentatus (European Herring Gull)
argentatus, North & North-west Europe 2007 - 2007 1,300,000 - 3,100,000 Expert opinion [R878] 1990 - 2000 STA Poor [R63] [R904] 20100 2012 [P1066]
argenteus, Iceland & Western Europe 2007 - 2007 990,000 - 1,050,000 Expert opinion [R878] 1990 - 2000 DEC Poor [R63] 10200 2012 [P1067]
Larus armenicus (Armenian Gull)
Armenia, Eastern Turkey & NW Iran 1999 - 1999 69,000 - 75,000 Expert opinion [R557] 1990 - 2000 STA No idea [R66] 720 2012
Larus schistisagus (Slaty-backed Gull)
NE Asia 0 - 0 25,000 - 1,000,000 Best guess [R714] 0 - 0 Unknown No idea 10000 2012
Larus cachinnans (Caspian Gull)
Black Sea & Western Asia/SW Asia, NE Africa 1990 - 2000 100,000 - 1,000,001 Best guess [R63] 1990 - 2000 INC Poor [R63] 20000 2012
Larus smithsonianus (Arctic Herring Gull)
vegae 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0 [P1068]
mongolicus 0 - 0 57,000 - 66,000 [R717] 0 - 0 Unknown No idea 610 2012 [P1069]
smithsonianus 2001 - 2011 370,000 - 450,000 Expert opinion [R1274] 1966 - 2000 DEC [R563] 4100 2012 [P1070] [S7233]
Larus michahellis (Yellow-legged Gull)
Mediterranean, Iberia & Morocco 2003 - 2003 630,000 - 768,000 Expert opinion [R682] 1990 - 2000 INC Poor [R69] 7000 2012 [P1076]
atlantis 1990 - 2000 27,500 - 81,000 [R63] 0 - 0 Unknown No idea 470 2012 [S7238]
Larus fuscus (Lesser Black-backed Gull)
heuglini, NE Europe & W Siberia/SW Asia & NE Africa 0 - 0 25,000 - 1,000,000 Best guess [R32] 0 - 0 Unknown No idea 10000 2012 [P939] [S7029]
barabensis, South-west Siberia/South-west Asia 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0 [P940]
fuscus, NE Europe/Black Sea, SW Asia & Eastern Africa 2005 - 2005 56,000 - 56,000 Expert opinion [R293] 1995 - 2005 DEC Reasonable [R293] [R893] 560 2012 [T5094]
graellsii, Western Europe/Mediterranean & West Africa 1990 - 2000 530,000 - 570,000 Expert opinion [R63] 1990 - 2000 INC Poor [R63] 5500 2012
intermedius, S Scandinavia, Netherlands, Ebro Delta, Spain 1990 - 2000 325,000 - 440,000 Expert opinion [R63] [R293] 1990 - 2000 INC Poor [R63] 3800 2012 [P1080]
Larus ichthyaetus (Pallas's Gull)
Black Sea & Caspian/South-west Asia 1990 - 2000 100,000 - 1,000,000 Best guess [R63] 1997 - 2007 INC? No idea [R888] 10000 2012 [T5097]
Central Asia (bre) 1987 - 1991 25,000 - 100,000 Best guess [R519] 0 - 0 Unknown No idea 1000 2012
Larus brunnicephalus (Brown-headed Gull)
Central Asia (bre) 0 - 0 100,000 - 200,000 [R32] 0 - 0 Unknown No idea 1400 2012 [S7244]
Larus cirrocephalus (Grey-headed Gull)
poiocephalus, West Africa 2000 - 2000 30,000 - 30,000 Expert opinion [R362] 1990 - 2000 STA No idea [R66] 300 2012
poiocephalus, Central & Eastern Africa 2001 - 2001 200,000 - 400,000 Best guess [R190] 1990 - 2000 STA No idea [R66] 2800 2012 [P1085]
poiocephalus, Madagascar 0 - 0 1 - 10,000 Best guess [R301] 0 - 0 Unknown No idea 100 2012
cirrocephalus, E South America 2011 - 2011 25,000 - 100,000 Best guess [R1011] [R1092] 0 - 0 Unknown No idea 1000 2012
cirrocephalus, W South America 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
poiocephalus, Coastal Southern Africa (excluding Madagascar) 0 - 0 200,000 - 400,000 Expert opinion [R190] 1990 - 2000 STA No idea [R66] 2800 2012 [P1089]
Larus hartlaubii (Hartlaub's Gull)
Coastal South-west Africa 2001 - 2001 30,000 - 30,000 Expert opinion [R196] 1997 - 2007 INC Reasonable [R888] 300 2012 [P1091] [T5106]
Larus novaehollandiae (Silver Gull)
novaehollandiae 2004 - 2004 100,000 - 1,000,001 Best guess [R341] 1982 - 2011 INC Poor [R341] 20000 2012 [P1092] [S7252]
forsteri 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0 [P1093]
scopulinus, New Zealand 0 - 0 100,000 - 1,000,000 Best guess [R165] 0 - 0 Unknown No idea 10000 2012 [P1094]
Larus bulleri (Black-billed Gull)
New Zealand 2005 - 2005 96,000 - 96,000 [R64] 1980 - 2000 DEC [R64] 960 2012 [T5110]
Larus maculipennis (Brown-hooded Gull)
S South America 2001 - 2001 100,000 - 1,000,000 Best guess [R570] 1965 - 1980 INC [R165] 10000 2012
Falkland Islands (Malvinas) 0 - 0 4,200 - 7,800 [R709] 0 - 0 Unknown No idea 55 2012 [S7257]
Larus ridibundus (Black-headed Gull)
W Europe/W Europe, W Mediterranean, West Africa 1990 - 2000 3,700,000 - 4,800,000 Expert opinion [R63] 1997 - 2007 STA Good [R63] [R888] 42100 2012 [T5113]
East Europe/Black Sea & East Mediterranean 1990 - 2000 770,000 - 1,800,000 Expert opinion [R63] 1996 - 2006 STA Poor [R888] 11800 2012 [T5114]
West Asia/SW Asia & NE Africa 1987 - 1991 250,000 - 250,000 Expert opinion [R519] 1997 - 2007 INC Poor [R888] 2500 2012 [T5115]
South Asia (non-bre) 1987 - 1991 25,000 - 1,000,000 Best guess [R519] 0 - 0 Unknown No idea 10000 2012
E & SE Asia (non-bre) 2001 - 2001 100,000 - 1,000,001 Best guess [R124] 0 - 0 Unknown No idea 20000 2012
NE North America 2001 - 2011 440 - 440 Expert opinion [R1274] 0 - 0 Unknown No idea 4 2012 [S7263]
Larus genei (Slender-billed Gull)
West Africa (bre) 1995 - 1995 22,500 - 22,500 Expert opinion [R178] [R602] 1991 - 2001 STA Poor [R190] 230 2012
Black Sea & Mediterranean (bre) 1990 - 2000 140,000 - 205,000 Expert opinion [R63] 1990 - 2000 STA Poor [R63] 1700 2012
West, South-west & South Asia (bre) 1987 - 1991 150,000 - 150,000 Expert opinion [R519] 1987 - 1991 INC Poor [R519] 1500 2012
Larus philadelphia (Bonaparte's Gull)
North America 0 - 0 255,000 - 525,000 [R178] 1965 - 1980 STA [R165] 3700 2012
Saundersilarus saundersi (Saunders's Gull)
NE Asia (bre) 2000 - 2000 7,100 - 9,600 [R65] 1990 - 2005 DEC [R64] 85 2012
Larus serranus (Andean Gull)
Central Andes 0 - 0 150,000 - 150,000 [R178] 0 - 0 Unknown No idea 1500 2012
Larus melanocephalus (Mediterranean Gull)
W Europe, Mediterranean & NW Africa 2010 - 2010 50,000 - 120,000 Expert opinion [R867] 1990 - 2000 STA Poor [R63] 770 2012 [S7270]
Larus relictus (Relict Gull)
C Asia (bre) 2005 - 2005 12,000 - 12,000 [R64] 1995 - 2005 DEC [R64] 120 2012 [S7271]
Larus fuliginosus (Lava Gull)
Galapagos Is 2005 - 2005 900 - 1,200 [R64] 1995 - 2005 STA? [R64] 10 2012 [S7272]
Larus atricilla (Laughing Gull)
(megalopterus) 0 - 0 792,000 - 807,000 [R387] 1966 - 2000 INC [R563] 8000 2012 [P1115]
atricilla 2006 - 2007 37,700 - 80,400 [R1021] 0 - 0 Unknown No idea 550 2012 [P1116] [S7276]
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Copyright Wetlands International 2012

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