- Charadriiformes
- Laridae
Amazonasseeschwalbe Sternula superciliaris
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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.