The Great Black-backed Gull, Larus marinus, is a very large gull which breeds on the European and North American coasts and islands of the North Atlantic. It is fairly sedentary, but some Great Black-backed Gulls move further south or inland to large lakes or reservoirs.
Factsheet: Great Black-backed Gull Larus marinusÂ
Great Black-backed Gull Larus marinus
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