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The glaucous gull (Larus hyperboreus) is a large gull, the second-largest gull in the world. The genus name is from Latin larus , which appears to have referred to a gull or other large seabird. The specific name hyperboreus is Latin for "northern" from the Ancient Greek Huperboreoi people from the far north [ 2 ] " Glaucous " is from Latin ...
English: Glaucus gulls (Larus hyperboreus) are the biggest gull species on Svalbard; they usually take over the functions of raptors in this region. Some thousand bird couples are breeding on the archipelago in summer.
Juvenile glaucous-winged gull feeding on a crab. This gull is a large bird, being close in size and shape to the closely related Western gull (L. occidentalis).It measures 50–68 cm (20–27 in) in length and 120–150 cm (47–59 in) in wingspan, with a body mass of 730–1,690 g (1.61–3.73 lb).
White-winged gull is used to describe the four pale-winged, high Arctic-breeding taxa within the former group; these are Iceland gull, glaucous gull, Thayer's gull, and Kumlien's gull. In common usage, members of various gull species are often referred to as 'sea gulls' or 'seagulls'; however, this is a layperson's term and is not used by most ...
Great black-backed gull also feed on land animals, including rats (Rattus ssp.) at garbage dumps, rabbits (Oryctolagus cuniculus) and even sickly lambs (Ovis aries). [16] [17] [37] Adult great black-backed gull steals a bird carcass from a juvenile of the same species, then swallows it whole
A bird seen in December 2001 at Belhaven Bay, Lothian, and present each winter since (until at least 2005/6) is believed to be a hybrid between black-headed and common gulls. [5] More rarely, hybrids have been reported between laughing gull and black-headed gull, laughing gull and ring-billed gull and possibly black-headed and ring-billed gull ...
Many of its species are abundant and well-known birds in their ranges. Until about 2005–2007, most gulls were placed in this genus, but this arrangement is now known to be polyphyletic , leading to the resurrection of the genera Chroicocephalus , Ichthyaetus , Hydrocoloeus , and Leucophaeus for many other species formerly included in Larus .
Iceland gull (Larus glaucoides), juvenile, Cley Marshes Close-up of first winter individual.Wethersfield, CT USA. The Iceland gull (Larus glaucoides) is a medium-sized gull that breeds in the Arctic regions of Canada and Greenland, but not in Iceland (as its name suggests), where it is only seen during winter.
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