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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
Sterna hirundinacea (South American Tern)
S South America 0 - 0 25,000 - 1,000,000 Best guess [R165] 1990 - 2000 DEC [R570] 10000 2012
Sterna hirundo (Common Tern)
hirundo, W Africa (bre) 2001 - 2001 1,200 - 1,200 [R190] 0 - 0 Unknown No idea 10 2012
minussensis 0 - 0 -1 - -1 0 - 0 Unknown No idea -1 0
longipennis 1993 - 2006 30,000 - 70,000 Best guess [R813] [R1036] [R1039] [R1056] 0 - 0 Unknown No idea 460 2012 [S7362] [T5507]
hirundo, Southern & Western Europe (bre) 2009 - 2009 160,000 - 200,000 Expert opinion [R837] [R878] 1990 - 2000 STA Poor [R63] [R602] 1800 2012
hirundo, Northern & Eastern Europe (bre) 2009 - 2009 640,000 - 1,500,000 Expert opinion [R837] [R878] 1990 - 2000 STA Poor [R63] [R602] 9800 2012
hirundo, Western Asia (bre) 1987 - 1991 25,000 - 1,000,000 Best guess [R519] 0 - 0 Unknown 10000 2012
hirundo, North America: Atlantic coast (bre) 0 - 0 270,000 - 270,000 [R489] 1966 - 2000 STA [R563] 2700 2012 [P1214]
hirundo, North America: Great Lakes (bre) 1976 - 2000 27,100 - 33,600 Expert opinion [R1289] 1976 - 2000 DEC Good [R1289] 300 2012 [P1215] [S7367] [T5512]
hirundo, North America: Interior (bre) 2001 - 2011 450,000 - 450,000 [R489] 0 - 0 Unknown No idea 4500 2012 [P1216] [S7368]
hirundo, Bermuda to Caribbean (bre) 2006 - 2007 900 - 2,500 [R1021] 0 - 0 Unknown No idea 15 2012 [P1217] [S7369]
tibetana 1987 - 1991 10,000 - 100,000 Best guess [R519] 0 - 0 Unknown No idea 1000 2012 [P1218]
Sterna repressa (White-cheeked Tern)
W South Asia, Red Sea, Gulf & Eastern Africa 1982 - 1992 600,000 - 600,000 Expert opinion [R222] 1982 - 1992 DEC Poor [R222] 6000 2012
Sterna paradisaea (Arctic Tern)
Western Eurasia (bre) 1990 - 2000 1,000,000 - 1,000,001 Best guess [R63] [R178] 1990 - 2000 STA No idea [R66] 20000 2012 [P1219]
N North America (bre) 0 - 0 1,000,000 - 1,000,001 Best guess [R299] 1994 - 2004 DEC [R299] 20000 2012 [P1220] [S7372]
Sterna vittata (Antarctic Tern)
vittata, P.Edward, Marion, Crozet & Kerguelen/South Africa 2001 - 2003 6,700 - 8,000 Expert opinion [R196] 1990 - 2000 STA No idea [R66] 75 2012
sanctipauli 0 - 0 1,200 - 1,200 [R636] 1988 - 2001 DEC [R636] 10 2012 [P1223] [S7374]
tristanensis, Tristan da Cunha & Gough/South Africa 2003 - 2003 2,400 - 4,500 Expert opinion [R636] 1990 - 2000 STA No idea [R66] 35 2012
georgiae 0 - 0 9,450 - 17,700 [R165] 0 - 0 Unknown No idea 130 2012 [S7376]
bethunei 0 - 0 3,000 - 3,000 [R636] 0 - 0 Unknown No idea 30 2012 [S7377]
gaini 0 - 0 110,000 - 110,000 [R165] 0 - 0 Unknown No idea 1100 2012 [S7378]
macquariensis 2009 - 2009 150 - 150 Census based [R1076] 2000 - 2009 STA Good [R1076] 2 2012 [P1228] [S7379]
Sterna virgata (Kerguelen Tern)
S Indian Ocean 0 - 0 3,500 - 6,500 [R621] 0 - 0 Unknown No idea 50 2012
Sterna forsteri (Forster's Tern)
Atlantic North America (bre) 0 - 0 86,600 - 86,600 [R442] 0 - 0 Unknown No idea 870 2012 [P1230]
Pacific North America (bre) 0 - 0 24,400 - 24,400 [R442] 0 - 0 Unknown No idea 240 2012 [P1231]
Interior: Great Lakes (bre) 0 - 0 9,100 - 9,100 [R442] 0 - 0 Unknown No idea 90 2012 [P1232]
Interior: Great Plains & W lowlands (bre) 2006 - 2011 15,000 - 37,500 Expert opinion [R1274] 0 - 0 Unknown No idea 240 2012 [P1233] [S7384]
Sterna trudeaui (Snowy-crowned Tern)
SW South America 2001 - 2001 1 - 10,000 Best guess [R570] 1990 - 2000 STA [R570] 100 2012
SE South America 2011 - 2011 25,000 - 100,000 Best guess [R1011] [R1092] 0 - 0 Unknown No idea 1000 2012
Sterna acuticauda (Black-bellied Tern)
S & SE Asia 2005 - 2005 10,000 - 25,000 Best guess [R64] 1977 - 1991 DEC [R519] 250 2012 [S7407]
Thalasseus bengalensis (Lesser Crested Tern)
emigratus, S Mediterranean/NW & West Africa coasts 1993 - 1994 4,000 - 4,000 Expert opinion [R445] 1983 - 1993 STA Poor [R602] 40 2012 [P1168]
bengalensis, Red Sea/Eastern Africa 2001 - 2001 40,000 - 47,000 Expert opinion [R190] [R521] 1991 - 2001 STA Poor [R190] 430 2012 [P1169]
bengalensis, Gulf/Southern Asia 1995 - 1995 150,000 - 180,000 Expert opinion [R579] 0 - 0 Unknown 1600 2012
torresii 1995 - 1995 25,000 - 100,000 Best guess [R313] [R1101] 0 - 0 Unknown No idea 1000 2012 [S7329]
Thalasseus bernsteini (Chinese Crested Tern)
E China (bre) 2005 - 2005 1 - 50 [R64] 0 - 0 Unknown No idea 1 2012
Thalasseus elegans (Elegant Tern)
Pacific N America 2003 - 2005 270,000 - 270,000 [R1186] 1957 - 1992 FLU [R104] 2700 2012
Thalasseus sandvicensis (Sandwich Tern)
sandvicensis, Western Europe/West Africa 1990 - 2000 166,000 - 171,000 Expert opinion [R63] 1990 - 2000 STA Poor [R63] 1700 2012
sandvicensis, Black Sea & Mediterranean (bre) 1990 - 2000 61,000 - 197,000 Expert opinion [R63] 1990 - 2000 FLU Poor [R63] 1100 2012
sandvicensis, West & Central Asia/South-west & South Asia 1990 - 1991 110,000 - 110,000 Expert opinion [R414] 0 - 0 Unknown 1100 2012
acuflavidus, N & C American coast Virginia to Belize, Caribbean 0 - 0 100,000 - 100,000 [R165] 0 - 0 Unknown No idea 1000 2012
acuflavidus, S Caribbean (bre) 0 - 0 35,000 - 37,000 [R494] 0 - 0 Unknown No idea 360 2012 [P1186]
acuflavidus, E Brazil - Argentina (bre) 0 - 0 18,400 - 21,400 [R227] 0 - 0 Unknown No idea 200 2012 [P1187] [S7343]
Thalasseus maximus (Royal Tern)
albidorsalis, West Africa (bre) 2004 - 2004 225,000 - 225,000 Expert opinion [R679] 1991 - 2001 STA/INC No idea [R190] 2300 2012
maxima, W Atlantic (bre) 0 - 0 139,000 - 139,000 [R387] 0 - 0 Unknown No idea 1400 2012
maxima, E Pacific (bre) 0 - 0 10,900 - 10,900 [R387] 0 - 0 Unknown No idea 110 2012
Thalasseus bergii (Greater Crested Tern)
bergii, Southern Africa (Angola - Mozambique) 1994 - 1996 20,000 - 20,000 Expert opinion [R295] 1990 - 2000 STA? No idea [R196] 200 2012 [P1172]
bergii, Madagascar & Mozambique/Southern Africa 2001 - 2001 7,500 - 10,000 Expert opinion [R190] 0 - 0 Unknown 85 2012 [P1173]
thalassinus, Eastern Africa & Seychelles 2001 - 2001 1,300 - 1,700 Expert opinion [R190] 0 - 0 Unknown 15 2012 [P1174]
velox, Red Sea & North-east Africa 2004 - 2004 20,000 - 20,000 Expert opinion [R192] 0 - 0 Unknown 200 2012 [P1175]
velox, Persian Gulf & Indian Ocean (bre) 0 - 0 100,000 - 1,000,000 Best guess [R192] 0 - 0 Unknown No idea 10000 2012 [P1176] [S7334]
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Citation: Wetlands International (). "Waterbird Population Estimates" . Retrieved from wpe.wetlands.org on