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Hydroprogne caspia
Basic stats
Diet
Fish, occasionally chicks and eggs of other birds
Habitat
Coasts, estuaries, large lakes and rivers
Range
Nearly cosmopolitan across temperate and tropical regions
Clutch size
1–3 eggs
Incubation period
About 20–22 days
Size
Large tern (47–54cm)
Wingspan
~127–140cm
Weight
~500–700g
The world's largest tern, with a massive blood-red bill and deep, gull-like calls, recorded around Bornean coastal waters as an uncommon non-breeding visitor.
A powerful plunge-diver that takes fish from open water, often patrolling estuaries and river mouths alone or in small, loose groups.
