birds
Great Black Backed Gull
This is the largest gull and is easy to distinguish with it's huge size, black back, powerful head and bill even in comparison to the Lesser Black ...
The RSPB: Great black-backed gull
A very large, thick-set black-backed gull, with a powerful beak. Adults are blacker than the smaller lesser black-backed gull. It has a heavy flight and can look ...
British Garden Birds - Great Black-backed Gull
Learn about the Great Black-backed Gull. Includes pictures, calls and songs.
Great Black-backed Gull - Wikipedia, the free encyclopedia
The Great Black-backed Gull (Larus marinus) is the largest gull in the world, which breeds on the European and North American coasts and islands of the North Atlantic.
Great Black-backed Gull
Photo by Jim McCormac: Before 1930, the great black-backed gull was rare in Ohio and the Great Lakes, but has steadily increased in appearance since then.
Great Black-backed Gull - Whatbird.com
Great Black-backed Gull: World's largest gull. White head, black upperparts, white underparts, large yellow bill with red spot on lower mandible, pale-eyed with red ...