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Tern, Gull-billed
Bird Info
Bird Info
Conservation status
Scientific Name:
Gelochelidon nilotica
Afghanistan, Africa, Alaska, Albania, Angola, Anguilla, Antigua and Barbuda, Argentina, Arizona, Arkansas, Asia, Atlantic Islands, Australasia, Australia, Austria, Bahamas, Bangladesh, Barbados, Belarus, Belgium, Belize, Bermuda, Bosnia and Herzegovina, Botswana, Brazil, British Isles, British Virgin Islands, Brunei, Bulgaria, Burundi, California, Cambodia, Canada, Caribbean, Cayman Islands, Central Africa Read more
Related Reading
The global population is estimated to number c.150,000-420,000 individuals (Wetlands International 2006), while national population estimates include: c.100-10,000 breeding pairs and c.50-1,000 individuals on migration in China; c.50-1,000 individuals on migration and < c.50 wintering ind ...
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This is a fairly large and powerful tern, similar in size and general appearance to a Sandwich Tern, but the short thick gull-like bill, broad wings, long legs and robust body are distinctive. The summer adult has grey upperparts, white underparts, a black cap, strong black bill and black legs. The call is a characteristic ker-wik. It is 33–42 cm (13–17 in) in length and 76–91 cm (30–36 in) in wingspan.[ 1] [ 2] Body mass ranges from 150–292 g (5.3–10.3 oz).[ 3] ...
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