Immatur © Andres Vasquez Noboa
Adult © Fabricio C. Gorleri
Adult © Oscar Johnson
Adult © Andrés De Muro

Amazonasseeschwalbe Sternula superciliaris

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UNTERSTÜTZT VON MERLIN

Small tern with a robust yellow bill. In the breeding plumage has an extensive black crown and small white forehead patch. In the nonbreeding season, the crown is white with a dark mask. Distinguished from Least Tern by the lack of a black tip to the bill and more extensive dark in the wings. Found along large rivers and lakes and seasonally on the coast.

UNTERSTÜTZT VON MERLIN