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 ?
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.
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.
delawarensis, n = 2), Arctic Tern (Sterna paradisaea, n = 2), Caspian Tern (Hydroprogne caspia, n = 2), Forster's Tern (S.
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.
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.
Higher reproductive success of pairs breeding in the center of colonies has been reported for Blackheaded Gull (Chroicocephalus ridibundus) (Patterson 1965), Black-legged Kittiwake (Rissa tridactyla) (Coulson 1968a), Ring-billed Gull (Larus delawarensis) (Dexheimer and Southern 1974), and Caspian Tern (Hydroprogne caspia) (Antolos et al.
Most notably, Alan recorded a Caspian tern at the site in July 2007, which was only the second recording for Northumberland.
The hide and lagoons at Leighton Moss, in Silverdale, known to all as 'the Eric and Ernie' pools, had played host to a Caspian tern all the previous day.