Breeding adult © Ian K Barker eBird S65118574 Macaulay Library ML 205596981
Breeding adult © Santiago Caballero Carrera
Nonbreeding adult © Joshua Vandermeulen
Molting adult © Bruce Cochrane
Juvenile © Carlos Echeverría
+ 5
Nonbreeding adult © David Irving
Molting adult © Luke Seitz
Juvenile © Luke Seitz
Habitat © Liliana Chavarria Duriaux

mustatiira Chlidonias niger

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Identification

POWERED BY MERLIN

Small tern with an entirely black body in breeding plumage with silvery wings. In the winter, their body is whitish-gray and they are not as conspicuous, but note small size, rather dark gray wings and rump, and black "helmet." Breeds in colonies in freshwater marshes and ponds. Builds a floating nest of plant matter. In migration and winter, often found in flocks. Feeds on insects and small fish.

POWERED BY MERLIN