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The Palearctic or Palaearctic is a biogeographic realm of the Earth, the largest of eight. Confined almost entirely to the Eastern Hemisphere , it stretches across all of Eurasia north of the foothills of the Himalayas , and North Africa .
The Palaearctic region has been recognised as a natural zoogeographic region since Sclater proposed it in 1858. The oceans to the north and west, and the Sahara to the south are obvious natural boundaries with other realms, but the eastern boundary is more arbitrary, since it merges into another part of the same realm, and the mountain ranges ...
Zoogeography is the branch of the science of biogeography that is concerned with geographic distribution (present and past) of animal species. [ 1 ] As a multifaceted field of study, zoogeography incorporates methods of molecular biology, genetics, morphology, phylogenetics , and Geographic Information Systems (GIS) to delineate evolutionary ...
A biogeographic realm is the broadest biogeographic division of Earth's land surface, based on distributional patterns of terrestrial organisms. They are subdivided into bioregions, which are further subdivided into ecoregions.
Western Palaearctic; Windwatt; Wolf distribution; ... Zoogeography This page was last edited on 2 October 2024, at 14:38 (UTC). Text is available under the ...
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)
The Birds of the Western Palearctic (full title Handbook of the Birds of Europe, the Middle East, and North Africa: The Birds of the Western Palearctic; often referred to by the initials BWP) is a nine-volume ornithological handbook covering the birds of the western portion of the Palearctic zoogeographical region.
This study is focus on Western Palaearctic species. The Hygromiidae s.l. family was divided into three families, Canariellidae, Geomitridae and Hygromiidae. Moreover, the family Cochlicellidae was including within the Geomitridae family as a tribe (Cochlicellini). The classification proposed for Western Palaearctic Helicoidea is as follows: