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Species Assessment for Dwarf Shrew (Sorex Nanus) in Wyoming

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The dwarf shrew (Sorex nanus) is one of the smallest mammals in the world, and inhabits a variety of habitats in western North America. Very little is known about this shrew, and relatively few specimens have been collected. Like most members of Soricidae, the dwarf shrew has a long and pointed nose, small eyes and ears, and a small body. It is difficult to distinguish from other shrews and generally has to be identified by dental characteristics. The dwarf shrew occurs primarily in mountainous areas, apparently preferring rock outcrops and talus slopes in alpine, subalpine, and montane settings. However, it has been occasionally found in lower and more arid environments such as shortgrass prairie, shrub-steppe, and stubble [...]

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WyNDD_2003_Dwarf_Shrew_Assessment-1.pdf 820.03 KB

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  • Wyoming Landscape Conservation Initiative

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