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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
The black-tailed gull is medium-sized (46 cm) (19 Inches), with a wingspan of 126–128 cm (49.6 - 50.3 Inches). It has yellow legs and a red and black spot at the end of the bill. Males and females have identical plumage and features, although males are larger in size than females. [2] This gull takes four years to reach full adult plumage. [3]
The last is the eastern representative of the lesser black-backed gulls back in northwestern Europe, including Great Britain. However, the lesser black-backed gulls and herring gull are sufficiently different that they rarely interbreed; thus, the group of gulls forms a continuum except in Europe, where the two lineages meet.
The kelp gull (Larus dominicanus), also known as the Dominican gull, is a gull that breeds on coasts and islands through much of the Southern Hemisphere. The nominate L. d. dominicanus is the subspecies found around South America, parts of Australia (where it overlaps with the Pacific gull), and New Zealand (where it is known as the black-backed gull, the southern black-backed gull, mollyhawk ...
The lesser black-backed gull is smaller than the European herring gull. The taxonomy of the herring gull / lesser black-backed gull complex is very complicated; different authorities recognise between two and eight species. This group has a ring species distribution around the Northern Hemisphere. Differences between adjacent forms in this ring ...
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).
Bonaparte's gull Great black-backed gull Caspian tern. Order: Charadriiformes Family: Laridae. Laridae is a family of medium to large seabirds and includes gulls, terns, kittiwakes, and skimmers. They are typically gray or white, often with black markings on the head or wings. They have stout, longish bills and webbed feet.
Black-backed gull may refer to: Kelp gull (Larus dominicanus), of the southern hemisphere, also known as the southern black-backed gull; Lesser black-backed gull ...