Although variable in size, the Great Black-backed Gull is on average the largest of all gulls, with some individuals weighing more than five pounds. In adult plumage, attained in four years, it has a large head and heavy bill, yellow eye (usually), and light pink legs. Its dark gray-black mantle is darker than that of any other gull likely to be seen in North American.

First Sighting of Year

Thursday, January 1, 2015 US-1 N South Portland ME United States
Friday, January 1, 2016 Leeman Hwy Bath ME United States
Sunday, January 1, 2017 50 Cottage Rd South Portland ME United States
Sunday, January 7, 2018 3115 Bristol Rd Bristol ME United States
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