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Omissus is a variant of European herring gull. It is largely similar to a common herring gull, but unlike the common species, it has yellow legs.
There is very little research and documentation about the omissus variant, some authors believe that it may be a species of its own.
Gulls, or colloquially seagulls, are seabirds of the family Laridae in the suborder Lari. They are most closely related to the terns and skimmers and only distantly related to auks, and even more distantly to waders. Until the 21st century, most gulls were placed in the genus Larus, but that arrangement is now considered polyphyletic, leading to the resurrection of several genera. An older name for gulls is mews, which is cognate with German Möwe, Danish måge, Swedish mås, Dutch meeuw, Norwegian måke/måse and French mouette, and can still be found in certain regional dialects.
Larus is a large genus of gulls with worldwide distribution.
The common gull or sea mew is a medium-sized gull that breeds in the Palearctic, northern Europe. The closely related short-billed gull is sometimes included in this species, which may be known collectively as "mew gull". Many common gulls migrate further south in winter. There are differing accounts as to how the species acquired its vernacular name.
The European herring gull is a large gull, up to 66 cm (26 in) long. One of the best-known of all gulls along the shores of Western Europe, it was once abundant. It breeds across Northern Europe, Western Europe, Central Europe, Eastern Europe, Scandinavia, and the Baltic states. Some European herring gulls, especially those resident in colder areas, migrate further south in winter, but many are permanent residents, e.g. in Ireland, Britain, Iceland, or on the North Sea shores. They have a varied diet, including fish, crustaceans, as well as some plants, and are also scavengers, consuming carrion and food left by or stolen from humans.
The great black-backed gull is the largest member of the gull family. Described by the Cornell Lab of Ornithology as "the king of the Atlantic waterfront", it is a very aggressive hunter, pirate, and scavenger. It breeds on the European and North American coasts and islands of the North Atlantic and is fairly sedentary, though some move farther south or inland to large lakes or reservoirs. The adult great black-backed gull has a white head, neck and underparts, dark grey wings and back, pink legs and yellow bill.
The lesser black-backed gull is a large gull that breeds on the Atlantic coasts of Europe. It is migratory, wintering from the British Isles south to West Africa. It has increased dramatically in North America, most common along the east coast. Formerly just a winter visitor, many birds are now spotted year-round. Some winters they occur in large numbers. Even on the west coast, this species has become an annual winter visitor in California with birds reported around most of the state each winter. They've even been seen in numbers at the Salton Sea.
The yellow-legged gull is a large gull found in Europe, the Middle East and North Africa, which has only recently achieved wide recognition as a distinct species. It was formerly treated as a subspecies of either the Caspian gull L. cachinnans, or more broadly as a subspecies of the herring gull L. argentatus. The genus name is from Latin Larus which appears to have referred to a gull or other large seabird, and the species name honours the German zoologist Karl Michahelles.
The Caspian gull is a large gull and a member of the herring and lesser black-backed gull complex. The scientific name is from Latin. Larus appears to have referred to a gull or other large seabird, and cachinnans means 'laughing', from cachinnare 'to laugh'.
The silver gull is the most common gull of Australia. It has been found throughout the continent, but particularly at or near coastal areas. It is smaller than the Pacific gull, which also lives in Australia.
The California gull is a medium-sized gull, smaller on average than the herring gull but larger on average than the ring-billed gull, though it may overlap in size greatly with both.
Hybridisation in gulls occurs quite frequently, although to varying degrees depending on the species involved.
The glaucous-winged gull is a large, white-headed gull. The genus name is from Latin Larus which appears to have referred to a gull or other large seabird. The specific glaucescens is New Latin for "glaucous" from the Ancient Greek, glaukos, denoting the grey color of its wings.
Thayer's gull is a subspecies of the Iceland gull. It is a large gull native to North America that breeds in the Arctic islands of Canada and winters primarily on the Pacific coast, from southern Alaska to the Gulf of California, though there are also wintering populations on the Great Lakes and the upper Mississippi River. The species has occurred as a vagrant to Japan, Denmark, and other parts of western Europe.
The Armenian gull is a large gull found in the Caucasus and the Middle East. It was formerly classified as a subspecies of the European herring gull, but is now generally considered to be a separate species, although BirdLife International lumps it with the yellow-legged gull.
The Vega gull, East Siberian gull, or East Siberian herring gull is a large gull of the herring gull/lesser black-backed gull complex which breeds in Northeast Asia. Its classification is still controversial and uncertain. It is variously treated as a separate species, as a subspecies of the American herring gull or included with both the American herring gull and European herring gull in L. argentatus. The Mongolian gull, Larus mongolicus, has previously been regarded as a subspecies of the Caspian gull but is now sometimes lumped with the Vega gull.
Mohawk Island is a small island in the northeast of Lake Erie, in Haldimand County, Ontario, Canada. It is composed of limestone with almost no vegetation, and is close to the water level. It was formerly known as Gull Island and contains the ruins of the Gull Island Lighthouse which was built in 1848 to guide ships into the Welland Canal at Port Maitland. In 1933, the lighthouse was automated to no longer require a human keeper and lost significance in 1934 due to the realignment of the canal at Port Colborne. It was decommissioned in 1969 when the mechanism was destroyed by a fire. The lighthouse is located close to the shore of Rock Point Provincial Park.
The American herring gull or Smithsonian gull is a large gull that breeds in North America, where it is treated by the American Ornithologists' Union as a subspecies of herring gull.
The Salikuit Islands are an uninhabited island group in the Qikiqtaaluk Region of Nunavut, Canada. The 103 island archipelago is located in eastern Hudson Bay between the Belcher Islands and the western coast of Quebec. The closest communities are the Inuit hamlets of Umiujaq, Quebec, 60 km to the east on the coast of Hudson Bay, and Sanikiluaq, 75 km (47 mi) to the west on Flaherty Island.
Herring gull is a common name for several birds in the genus Larus, all formerly treated as a single species.
Bellow Island, also known as Gull Island, is an island in Lake Michigan, located in Leelanau Township, Leelanau County, Michigan.