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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 marinus (Great Black-backed Gull)
Greenland 0 - 0 25,000 - 25,000 No quality assessment [R80] 1991 - 2001 INC No quality assessment [R81] 250 2012 [P1041]
NW Atlantic 0 - 0 330,000 - 540,000 Expert opinion [R387] 1988 - 2007 INC Reasonable [R414] 4200 2012
North & West Europe 1990 - 2000 330,000 - 540,000 Expert opinion [R63] 1990 - 2000 INC Reasonable [R63] [R888] 4200 2012 [P1043] [T5061]
Onychoprion aleuticus (Aleutian Tern)
N Pacific (bre) 2005 - 2005 17,000 - 20,000 No quality assessment [R1003] 0 - 0 DEC? No idea [R1003] 180 2012
Onychoprion fuscatus (Sooty Tern)
fuscatus, Gulf of Guinea & S Atlantic (bre) 2001 - 2001 900,000 - 900,000 No quality assessment [R190] 0 - 0 Unknown No idea 9000 2012
nubilosus, Red Sea, Gulf of Aden, E to Pacific 2000 - 2010 18,000,000 - 18,000,000 Expert opinion [R813] [R814] [R815] [R816] [R829] [R830] [R831] [R836] [R845] [R848] [R850] [R852] [R855] [R856] 0 - 0 Unknown No quality assessment 180000 2012
fuscatus, Caribbean (bre) 0 - 0 690,000 - 1,200,000 No quality assessment [R561] 0 - 0 Unknown No idea 9100 2012
nubilosus, Indonesia 0 - 0 -1 - -1 No quality assessment 0 - 0 Unknown No idea -1 -1 [P1270]
serratus 1995 - 2011 1,200,000 - 1,500,000 Best guess [R313] [R1140] [R1169] 1994 - 2003 FLU Poor [R1140] [R1031] 13400 2012 [S7422] [T5567]
kermadeci 0 - 0 2,000,000 - 2,000,001 No quality assessment [R165] 0 - 0 Unknown No idea 20000 2012 [S7423]
oahuensis 2004 - 2011 9,600,000 - 9,600,000 Census based [R1067] [R1184] 2001 - 2010 STA No quality assessment [R1184] 96000 2012 [S7424] [T5569]
luctuosus 2001 - 2001 1 - 10,000 Best guess [R570] 0 - 0 Unknown No idea 100 2012 [P1274]
crissalis 0 - 0 2,000,000 - 2,000,001 No quality assessment [R165] 0 - 0 Unknown No idea 20000 2012
Onychoprion anaethetus (Bridled Tern)
melanopterus, W Africa 2001 - 2001 1,500 - 1,500 Best guess [R190] 1991 - 2001 DEC Poor [R190] 15 2012
antarcticus, W Indian Ocean 2000 - 2010 18,000 - 18,000 Expert opinion [R827] [R828] [R834] [R837] [R848] [R851] [R855] 1990 - 2000 Unknown No idea [R66] 180 2012
antarcticus, Red Sea, E Africa, Persian Gulf, Arabian Sea to W India 2005 - 2005 750,000 - 1,050,000 Best guess [R905] 1990 - 2000 STA No idea [R66] 8900 2012 [S7412]
anaethetus 1994 - 2011 100,000 - 1,000,000 Best guess [R1056] [R1138] [R1157] 1984 - 1993 INC? No idea [R1057] 10000 2012 [S7413] [T5558]
melanopterus (recognita) 0 - 0 12,000 - 18,000 No quality assessment [R127] 0 - 0 Unknown No idea 150 2012 [P1263]
anaethetus (rogersi) 0 - 0 -1 - -1 No quality assessment 0 - 0 Unknown No idea -1 -1 [P1264]
anaethetus (novaehollandiae) 0 - 0 -1 - -1 No quality assessment 0 - 0 Unknown No idea -1 -1 [P1265]
nelsoni 2005 - 2005 1,170 - 5,300 No quality assessment [R1114] 0 - 0 Unknown No idea 25 2012 [S7417]
Onychoprion lunatus (Grey-backed Tern)
Pacific Islands 2002 - 2005 100,000 - 1,000,000 Expert opinion [R387] [R1184] 0 - 0 Unknown No idea 10000 2012 [S7409]
Sternula albifrons (Little Tern)
albifrons, Black Sea & East Mediterranean (bre) 1990 - 2000 63,500 - 113,000 Expert opinion [R63] 1990 - 2000 DEC Poor [R63] 850 2012
albifrons, Caspian (bre) 1987 - 1991 10,000 - 25,000 Best guess [R519] 1990 - 2000 STA No idea [R66] 250 2012 [P1239]
guineae, West Africa (bre) 2001 - 2001 2,000 - 3,000 Expert opinion [R190] 1990 - 2000 STA No idea [R66] 25 2012
pusilla 0 - 0 50,000 - 100,000 No quality assessment [R32] 0 - 0 Unknown No idea 710 2012 [S7390]
sinensis 1993 - 1993 10,000 - 100,000 Best guess [R813] 1984 - 1993 DEC No idea [R813] 1000 2012 [S7391]
placens 1999 - 2012 10,000 - 10,000 Expert opinion [R267] [R1038] [R1056] 1990 - 1999 INC? No idea [R267] 100 2012 [S7392] [T5537]
albifrons, Europe north of Mediterranean (bre) 2000 - 2000 16,500 - 22,600 Expert opinion [R63] 1990 - 2000 DEC Reasonable [R63] 190 2012 [P2436] [S7393]
albifrons, West Mediterranean/ W Africa (bre) 2000 - 2000 28,200 - 41,000 Expert opinion [R63] 1990 - 2000 DEC Reasonable [R63] 340 2012 [P2437]
Sternula saundersi (Saunders's Tern)
W South Asia, Red Sea, Gulf & Eastern Africa 1992 - 1992 40,000 - 40,000 Expert opinion [R32] [R222] 1990 - 2000 STA No idea [R66] 400 2012
Sternula antillarum (Least Tern)
antillarum 0 - 0 50,000 - 55,000 No quality assessment [R623] 1966 - 2000 DEC No quality assessment [R563] 520 2012
athalassos 0 - 0 6,800 - 6,800 No quality assessment [R623] 1973 - 1994 INC No quality assessment [R623] 70 2012 [P1246]
browni 2007 - 2007 20,200 - 21,000 No quality assessment [R1121] 0 - 0 INC? No idea [R1121] 210 2012 [S7398] [T5543]
Sternula superciliaris (Yellow-billed Tern)
N South America 2005 - 2011 25,000 - 100,000 Best guess [R1092] [R1158] [R1183] [R1191] 2001 - 2010 STA Poor [R15] 1000 2012
Sternula lorata (Peruvian Tern)
W South America (bre) 1998 - 2004 1,000 - 2,500 Expert opinion [R1024] 2001 - 2010 DEC Poor [R570] 15 2012
Sternula nereis (Fairy Tern)
nereis 2009 - 2009 1,200 - 1,980 Census based [R1076] 2001 - 2010 DEC Good [R1195] [R1126] [R1076] 15 2012 [S7401] [T5546]
horni 2009 - 2009 9,000 - 15,000 Expert opinion [R1076] 2001 - 2010 STA Reasonable [R1076] 120 2012 [S7402] [T5547]
exsul 1999 - 2004 300 - 300 Expert opinion [R41] [R64] 1998 - 2007 INC Reasonable [R1014] 3 2012 [S7403] [T5548]
davisae 2005 - 2005 25 - 30 No quality assessment [R64] 1998 - 2006 INC No quality assessment [R64] 1 2012
Sternula balaenarum (Damara Tern)
Namibia & South Africa/Atlantic coast to Ghana 1997 - 2001 14,000 - 14,000 Expert opinion [R196] [R593] 1991 - 2001 STA Poor [R190] 140 2012
Phaetusa simplex (Large-billed Tern)
simplex 2011 - 2011 10,000 - 25,000 Best guess [R1183] 0 - 0 Unknown No idea 250 2012
chloropoda 0 - 0 25,000 - 100,000 Best guess [R15] 1982 - 1992 STA No quality assessment [R15] 1000 2012
Gelochelidon nilotica (Common Gull-billed Tern)
nilotica, Western Europe/West Africa 2001 - 2001 14,000 - 21,000 Expert opinion [R63] [R190] 1990 - 2000 STA Poor [R63] 170 2012 [P1137]
vanrossemi, Coastal Ecuador & Peru 0 - 0 -1 - -1 No quality assessment 0 - 0 Unknown No idea -1 -1 [P1138]
aranea 2000 - 2007 12,600 - 18,800 No quality assessment [R1021] [R1127] 1974 - 2005 DEC No quality assessment [R1127] 150 2012 [S7297]
nilotica, Black Sea & East Mediterranean/Eastern Africa 1990 - 2000 24,000 - 52,000 Expert opinion [R63] 1990 - 2000 DEC Poor [R63] 350 2012
nilotica, West & Central Asia/South-west Asia 1987 - 1991 10,000 - 25,000 Best guess [R519] 0 - 0 Unknown No quality assessment 250 2012
nilotica, South Asia (non-bre) 0 - 0 60,000 - 100,000 No quality assessment [R32] 0 - 0 Unknown No idea 770 2012 [S7300]
addenda 1987 - 1991 10,000 - 100,000 Best guess [R519] 0 - 0 Unknown No idea 1000 2012 [P1143]
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Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on