Great Black-backed Gull (Larus marinus)
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Largest Gull with bulky body, thick neck and heavy bill. Feeds on fish and birds. Breeds as single pairs or in small colonies and nests high up on offshore islands.7 / 7
Great Black-backed Gull (Larus marinus). Copyright Peter Drury 2010
Christian Yesid Quinones
on December 18, 2015Lesser black-backed gull