• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Caspian Tern - BirdForum Opus

Revision as of 16:46, 10 March 2009 by Deliatodd-18346 (talk | contribs) (User template)
Photo by avesdigital
Photo taken: Tarifa, Spain
Sterna caspia

Identification

48–56 cm. White head, neck, belly, tail, black cap, pale grey back and upper wings, pale, dark tipped underwings, black legs, red-orange bill.

Distribution

North America, West Indies and northern South America, Europe, Asia, Africa, Australia and New Zealand.

Taxonomy

Sometimes considered part of genus Hydroprogne (see Bridge et al, 2005).

Habitat

Large lakes and ocean coasts.

Behaviour

Diet

The diet includes fish, insects, eggs and young birds.

Breeding

They are ground nesters; 1-3 pale blue green eggs heavily spotted brown are laid.

Vocalisation

The call is a loud croak.

<flashmp3>Sterna caspia (song).mp3</flashmp3>
Listen in an external program

References

Wikipedia

External Links

Back
Top