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Project Noah Nature School
Black-headed gulls on the frozen surface of lake Orestis (Kastoria, Greece).
Greek common name: Καστανοκέφαλος
4th photo: on the lake's frozen surface. 5th photo: Juvenile (1st winter).
Black-heaeded gull in flight (photos 1-3) and at sea (photo 4)
The only black-headed gull among hundreds in almost breeding plumage in the ...
Black-headed gull changing into breeding plumage.
This gull is 38–44 cm (15-17½ in) long with a 94–105 cm (37–41 in) wingspan. In ...
