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The ivory gull was initially described by Constantine Phipps, 2nd Baron Mulgrave in 1774 as Larus eburneus from a specimen collected on Spitsbergen during his 1773 expedition towards the North Pole. [2] Johann Jakob Kaup later recognized the unique traits of the ivory gull and gave it a monotypic genus, Pagophila, in 1829. [2]
It is the closest living relative of the extinct great auk (Pinguinus impennis). [4] Historically, it has also been known as "auk", [5] "razor-billed auk" [6] and "lesser auk". [7] Razorbills are primarily black with a white underside. The male and female are identical in plumage; however, males are generally larger than females.
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]
The Pacific gull is a large white-headed gull with a distinctively heavy bill.. Gulls range in size from the little gull, at 120 grams (4 + 1 ⁄ 4 ounces) and 29 centimetres (11 + 1 ⁄ 2 inches), to the great black-backed gull, at 1.75 kg (3 lb 14 oz) and 76 cm (30 in).
Gull wing, an aircraft's wing configuration with a prominent bend somewhere along the span, similar to that of a gull; HMAS Gull, a ton class minesweeper; Percival Gull, a British low-wing, wood-and-fabric monoplane; The Gull, an international passenger train; USS Gull, three ships in the United States Navy
The Gulls are bird species of the family Laridae in the suborder Lari and order Charadriiformes. Subcategories. This category has the following 6 subcategories, out ...
The Mediterranean gull is slightly larger and bulkier than the black-headed gull with a heavier bill and longer, darker legs. The breeding plumage adult is a distinctive white gull, with a very pale grey mantle and wings with white primary feathers without black tips.
The silver gull is one of the few species of gull found on tropical islands. Order: Charadriiformes Family: Laridae. Laridae is a family of medium to large seabirds, the gulls, terns, and skimmers. Gulls are typically grey or white, often with black markings on the head or wings. They have stout, longish bills and webbed feet.