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Caspian Tern (Hydroprogne caspia)

Caspian Tern (Hydroprogne caspia)

Caspian Tern (Hydroprogne caspia)

Caspian Tern (Hydroprogne caspia) Caspian Tern (Sterna caspia) Adult and Juvenile Caspian Tern (Sterna caspia) Caspian Tern (Sterna caspia)

Class: Aves
Family: Laridae
Common Name: Caspian Tern
Genus: Hydroprogne
Species Name: caspia

About The Caspian Tern

A large (19-23 inches) tern, the Caspian Tern in summer is most easily identified by its gray-tipped wings, black cap, and large orange bill. In winter, the black in this species’ cap is replaced by mottled gray. Male and female Caspian Terns are similar to one another in all seasons. The Caspian Tern inhabits every continent except Antarctica. In North America, this species breeds locally in central Canada, the Great Lakes, along the Gulf coast of the United States, and along the Pacific and Atlantic coasts of the U.S.and Canada. In winter, Caspian Terns may be found in southern California, along the coast of the southeastern U.S., and further south into Mexico and Central America. In the Old World, this species breeds in Eurasia from Eastern Europe east to China, along the coasts of Africa and South Asia, and in Australasia, wintering widely in the tropics. Caspian Terns breed in a variety of habitats, including marshes, estuaries, barrier islands, bays, and lakes, and may be found either in freshwater or in saltwater. In winter, this species utilizes similar habitat types as in summer. Caspian Terns primarily eat fish and small crustaceans. Caspian Terns may be most easily seen standing or walking along the shore or on the beach, where their large size and bright orange bill are most apparent. With the aid of binoculars, it may also be possible to observe this species feeding by diving headfirst into the water. Caspian Terns are most active during the day.

Rights Holder: Unknown
Bibliographic Citation: Rumelt, Reid B. Hydroprogne caspia. June-July 2012. Brief natural history summary of Hydroprogne caspia. Smithsonian's National Museum of Natural History, Washington, D.C.

Trips Where Observed

Around The World in 66 Days
Eastern Australia
Kenya Solar Eclipse
Mexico, Nayarit
New Zealand
San Francisco 2007
Uganda and stops between
Western Australia

Member Lifelists

North America
San Francisco
United States

Sites Where Observed

Seen on mudflats at Warrington.


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