Caspian Tern


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Caspian Tern

 

(Hydroprogne caspia), a bird of the family Laridae of the order Charadriiformes. The body is about 50 cm long and weighs about 650 g. The bird is gray above and white below, with a black head cap and black legs. The Caspian tern is distributed sporadically in Europe (except the north), Western and Southeast Asia, Australia, New Zealand, Africa, and North America. In the USSR it is found along the Baltic, Black, Azov, Caspian, and Aral Seas, as well as along lakes of Kazakhstan, Transbaikalia, and the southern Primor’e. The Caspian tern is a migratory bird. It nests in colonies on shoals and islands. A clutch contains two or three eggs, which are incubated by both parents for 22 or 23 days. The Caspian tern feeds on small fish, invertebrates, and, sometimes, the young of other birds.

References in periodicals archive ?
Of the 40 species, there were nine species of shorebirds, seven dabbling ducks, five diving ducks, four waders, three gulls, and two "geese" (one was light geese, which includes Snow and Ross' Geese), in addition to Ruddy Duck (Oxyura jamaicensis), American Coot (Fulica americana), White Pelican (Pelecanus erythrorhynchus), Double-crested Cormorant (Phalacrocorax auritus), Tundra Swan (Cygnus columbianus), Sandhill Crane, Caspian Tern (Hydroprogne caspia), and two species that could not be identified (one dabbling duck and one sandpiper).
Caspian tern and chick Mahabes Island Hamata -- Ahmed Waheed Caspian tern is a common bird that lives near the sea and feeds mainly on fish of its own catch.
I found a dead Caspian Tern having got caught in the fishing line and a hook had pierced its wing," he told the GDN.
WHEN THEY WERE WILLING to put such things in print, biologists called the Caspian tern "the king of all terns.
Most notably, Alan recorded a Caspian tern at the site in July 2007.
p Apologies to photographer Steve Young - a production error meant that his splendid picture of the Leighton Moss Caspian tern in last week's column was not credited to him inthe paper.
In addition, changes in these protein classes were correlated with PCB and DDE concentrations in Caspian tern and herring gull chicks from the Great Lakes (Grasman et al.
Roth, in addition to Weakley and Bucher (1992), noticed that numerous shorebirds, including the least tern (Sterna antillarum), Wilson's plover (Charadrius wilsonia), black skimmer (Rhynchops niger), Caspian tern (Sterna caspia), and the endangered roseate tern (Sterna dougallii dougallii), nest in seabeach amaranth stands.
We determined the stable carbon and nitrogen isotope values and heavy metal concentrations for Caspian Tern (Sterna caspia), Elegant Tern (Sterna elegans) and Forster's Tern (Sterna forsteri) and their fish prey at the Bolsa Chica Ecological Reserve in southern California and, except for Elegant Tern, in south San Francisco Bay during the 1997-1999 breeding seasons.
A CASPIAN Tern - the world's largest tern - took a day trip to Skinflats Lagoons, Forth, from its home around the Baltic coast of Scandinavia.
TERN-ED AWAY: Provisioned with a salmon smolt, a Caspian tern (left) returns to its breeding colony on an island in Oregon's Columbia River.
Key words: black tern, Caspian tern, Great Slave Lake, herring gull, mew gull, mercury, organochlorines, selenium