The slaty-backed gull (Larus schistisagus) is a large, white-headed gull that breeds on the north-eastern coast of the Palearctic, but travels widely during...

great black-backed gull has a white head, neck and underparts, dark grey wings and back, pink legs and yellow bill. The great black-backed gull was one of...

The lesser black-backed gull (Larus fuscus) is a large gull that breeds on the Atlantic coasts of Europe. It is migratory, wintering from the British Isles...

The Vega gull, East Siberian gull, or East Siberian herring gull (Larus vegae) is a large gull of the herring gull/lesser black-backed gull complex which...

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)...

kelp gull superficially resembles two gulls from further north in the Atlantic Ocean, the lesser black-backed gull and the great black-backed gull, and...

The Caspian gull (Larus cachinnans) is a large gull and a member of the herring and lesser black-backed gull complex. The scientific name is from Latin...

rare visitors further south to Japan and California. Hybrids with Slaty-backed gull are uncommon but have been known to breed on the east coast of the...

populations and darker in northern populations. It closely resembles the slaty-backed gull (Larus schistisagus) of Asia, but the latter species has paler eyes...

western gull. It attains full plumage at three years of age. This species is tied with slaty-backed gull for the world's fourth-largest gull species and...