- 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