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The thick-billed murre is distributed across the polar and sub-polar regions of the Northern Hemisphere where four subspecies exist; one lives on the Atlantic and Arctic oceans of North America (U. l. lomvia), another on the Pacific coast of North America (U. l. arra), and two others that inhabit the Russian arctic (U. l. eleonorae and U ...
Annual survival probability for birds aged 6–15 is 0.895, [34] and average lifespan is about 20 years. Breeding success increases with age up to age 9–10 to 0.7 fledglings per pair, then declines in the oldest age birds, perhaps indicating reproductive senescence. [34] High densities mean that birds are close contact with neighbouring ...
Rock partridge; Red-legged partridge; Barbary partridge; Houbara bustard; Red-necked nightjar; Western swamphen; Mediterranean gull; Yellow-legged gull (be); Audouin's gull (be); European storm-petrel (be)
Approximately 40% of the population breeds in the high arctic where the largest colonies are found, 30% in the low arctic, and 30% in boreal waters. In the winter, some of the birds in the high arctic waters are forced south by the winter ice making them seasonal migrants, but in more temperate zones the species is essentially resident.
Auks or alcids are birds of the family Alcidae in the order Charadriiformes. [1] The alcid family includes the murres , guillemots , auklets , puffins , and murrelets . The family contains 25 extant or recently extinct species that are divided into 11 genera.
The parasitic jaeger (North America) or Arctic skua (Europe) (Stercorarius parasiticus), is a seabird in the skua family Stercorariidae. It is a migratory species that breeds in Northern Scandinavia , Scotland , Iceland , Greenland , Northern Canada , Alaska , and Siberia and winters across the southern hemisphere.
Software crack illustration. Software cracking (known as "breaking" mostly in the 1980s [1]) is an act of removing copy protection from a software. [2] Copy protection can be removed by applying a specific crack. A crack can mean any tool that enables breaking software protection, a stolen product key, or guessed password. Cracking software ...
The three smaller skuas, the Arctic skua, the long-tailed skua, and the pomarine skua, are called jaegers in North American English. The English word "skua" comes from the Faroese name for the great skua , skúgvur [ˈskɪkvʊɹ] , with the island of Skúvoy renowned for its colony of that bird.