Yellow-billed Tern Sternula superciliaris)
(aka Sterna superciliaris)
Yellow-billed Tern, Lagoa do Peixe, Rio Grande do Sul, Brazil, August 2004 - click for larger image Rio Grande do Sul, Brazil
August 2004

The Yellow-billed Tern is distributed in South America where it winters along the Atlantic coast from eastern Colombia to Buenos Aires and breeds inland along large rivers and the beaches of inland lakes.
Yellow-billed Tern, Cassino, Rio Grande do Sul, Brazil, August 2004 - click for larger image It has a yellow bill and yellow legs with a black cap but white forehead. In flight it shows dark outer primaries both above and below and a very shallow fork in the tail.
Yellow-billed Tern, Cassino, Rio Grande do Sul, Brazil, August 2004 - click for larger image
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