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Glaucous Gull Video Stock Footage
This is a large and powerful gull, second largest of all gull species and very pale in all plumages, with no black on either of the wings or the tail. Adults are pale grey above, with a thick yellow bill. Immatures are very pale grey with a pink and black bill. This species is considerably larger, bulkier and thicker-billed than the similar Iceland gull, and can sometimes equal the size of the great black-backed gull, the oft-titled largest gull species. In some areas, glaucous gulls are about the same weight as great black-backed gulls or even heavier and their maximum weight is greater. They can weigh anywhere from 960 to 2,700 g (2.12 to 5.95 lb), with the sexes previously reported to average 1.55 kg (3.4 lb) in males and 1.35 kg (3.0 lb) in females. At the colony on Coats Island in Canada, the gulls are nearly 15% heavier than some other known populations, with a mean weight 1.86 kg (4.1 lb) in 5 males and 1.49 kg (3.3 lb) in 7 females. One other study claimed even higher weights for glaucous gulls, as on Wrangel Island 9 males reportedly averaged 2.32 kg (5.1 lb) and 2.1 kg (4.6 lb) in 6 females, which if accurate would make the glaucous gull the heaviest gull and shorebird in the world if not (as far as is known) the largest linearly on average. These gulls range from 55 to 77 cm (22 to 30 in) in length and can span 132 to 170 cm (52 to 67 in), with some specimens possibly ...
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