Caspian Tern Hydroprogne caspia
(aka Sterna caspia)
Caspian Tern in breeding plumage, The Coorong, SA, Australia, March 2006 - click on image for a larger view Australia

The Caspian Tern is fairly cosmopolitan though sparse and breeds on all continents except South America and Antarctica. Australian populations seem to be less migratory than in other continents but there is still a lot of movement particularly amongst juvenile birds. It is found on the coast and at inland lakes. Only rarely does it venture far out to sea.

Caspian Tern in non-breeding plumage, The Coorong, SA, Australia, March 2006 - click on image for a larger view It is the largest tern at about the size of a Herring Gull and has a large, stout red-orange bill. In breeding plumage (shown here in photo 1) the crown is all black. In non-breeding plumage (all other photos) the crown and forecrown has black streaks on the white. For more photos see the Caspian Tern in Cuba.
Caspian Tern in non-breeding plumage, The Coorong, SA, Australia, March 2006 - click on image for a larger view
Caspian Tern in non-breeding plumage, The Coorong, SA, Australia, March 2006 - click on image for a larger view
Caspian Tern, Cheynes Beach, Western Australia, October 2013 - click on image for a larger view
Caspian Tern, Cheynes Beach, Western Australia, October 2013 - click on image for a larger view
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