Üreyen erişkin © Jonathan Irons eBird S56640734 Macaulay Library ML 211578121
© Andrew Simon
üreme dışı erişkin © Jonathan Irons
ergen © Andrew Dreelin
genç © Denny Swaby
+ 7
üreme dışı erişkin © Barry Blust
Üreyen erişkin © Brendan Klick
üreme dışı erişkin © Alex Lamoreaux
Üreyen erişkin © Alex Lamoreaux
ergen © Alex Lamoreaux
Habitat © R Painter

Maskeli Sumru Sterna forsteri

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Tanımlama

MERLIN TEMELLİ ÇALIŞIR

Smaller than all the gulls, with thinner and more pointed bill. Distinguished from other terns by pale whitish wings and orange-based bill in summer, and isolated black ear patch in winter. Forages by circling and hovering over bays, ponds, and lakes, then dropping to snatch fish. Often rests on sandbars, piers, and other structures with other gull and tern species. Snappy, quick wingbeats and acrobatic in flight.

MERLIN TEMELLİ ÇALIŞIR