IUCN threat status:

Least Concern (LC)

Comprehensive Description

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The summer adult has a black cap, black legs and a long sharp orange bill. The upperwings, rump and central tail feathers are grey and the underparts white. The primary flight feathers darken during the summer. In winter, the forehead becomes white. The call is a loud grating noise like Sandwich Tern.The grey rump is a useful flight identification feature distinguishing it from the related species. The Elegant Tern also differs in a slightly longer, slenderer bill, while Chinese Crested Tern differs in a black tip to the bill and Sandwich Tern a black bill with a yellow tip. Juvenile Lesser Crested Terns resemble same-age Sandwich Terns, but with a yellow-orange bill, and paler overall, with only faint dark crescents on the mantle feathers.

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© New Guinea Birds

Source: Birds of Papua New Guinea

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