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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).
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 ...
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 ...
Habitat: Diet: LC American herring gull. Larus smithsonianus Coues, 1862: North America from central and southern Alaska to the Great Lakes and northeast coast of the United States from Maine south to North Carolina, wintering south to the Caribbean. Size: Habitat: Diet: LC Glaucous-winged gull. Larus glaucescens Naumann, 1840
The offspring have been termed "Nelson's gull", [3] but are sometimes also known as "Viking gull". Herring gulls and glaucous-winged gulls hybridize extensively in southern Alaska. The offspring are sometimes termed "Cook Inlet gull". Glaucous-winged gulls and glaucous gulls hybridize in western Alaska. These hybrids are sometimes called ...
The gulls left while a red-tailed hawk visited the park in late 2011, but returned after the hawk disappeared. Federal law prohibits shooting the birds, and hiring a falconer would cost the Giants $8000 a game. [8] Western gull x Glaucous-winged gull hybrid nesting in Oregon.
Causes of the decline are varied, including habitat loss and hybridization with the blue-winged warbler. Last year, the ATC was awarded a $100,000, three-year National Park Service natural ...
Some adult gulls with access to fisheries in the North Sea can weigh up to roughly 2.5 kg (5 + 1 ⁄ 2 lb) and averaged 1.96 kg (4 lb 5 oz). [13] An exceptionally large glaucous gull was found to outweigh any known great black-backed gull, although usually that species is slightly smaller. [7]