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Great Black-Backed Gull Video Stock Footage
This is the largest gull in the world, considerably larger than a herring gull (Larus argentatus). Only a few other gulls, including Pallas's gull (Ichthyaetus ichthyaetus) and glaucous gull (Larus hyperboreus), come close to matching this species' size. It is 64–79 cm (25–31 in) long with a 1.5–1.7 m (4 ft 11 in–5 ft 7 in) wingspan and a body weight of 0.75–2.3 kg (1.7–5.1 lb). In a sample of 2009 adults from the North Atlantic, males were found to average 1,830 g (4.03 lb) and females were found to average 1,488 g (3.280 lb). Some adult gulls with access to fisheries in the North Sea can weigh up to roughly 2.5 kg (5.5 lb) and averaged 1.96 kg (4.3 lb). An exceptionally large glaucous gull was found to outweigh any known great black-backed gull, although usually that species is slightly smaller. The great black-backed gull is bulky and imposing in appearance with a large, powerful bill. The standard measurements are: the bill is 5.4 to 7.25 cm (2.13 to 2.85 in), the wing chord is 44.5 to 53 cm (17.5 to 20.9 in) and the tarsus is 6.6 to 8.8 cm (2.6 to 3.5 in). Baagie or Baigie is a local name from the Shetland Islands. Francis Willughby called it the great black and white gull in the 17th century, noting that it was called the Swarth-back in the Faeroe Islands.
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