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Sorex cinereus

Cinereus Shrew

Order: Soricomorpha
Family: Soricidae

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Conservation Status: Least Concern.


Mainly nocturnal and rarely seen, the Cinereus Shrew is nonetheless common and widespread below the timberline in northern deciduous and coniferous forests, in both wet and dry habitats. It is also known as the Masked Shrew and the Common Shrew. Litter size ranges from 4-10, averaging 7. The newborns are about 15-17 mm long and are hairless, with fused eyelids. Their eyes open after 17 or 18 days, and they are weaned at approximately 20 days. The Cinereus Shrew is not distinctly marked. The back is brown, the underside is grayish white, and the tail has a blackish tip.

Also known as:
Masked Shrew, Common Shrew

Sexual Dimorphism:
None

Length:
Average: 96.6 mm
Range: 75-125 mm

Weight:
Range: 2.2-5.4 g

References:

Kerr, R., 1792.  The animal kingdom, or zoological system, of the celebrated Sir Charles Linnaeus.  (Class I. Mammalia: containing a complete systematic description, arrangement, and nomenclature, of all known species and varieties of Mammalia, or animals which suck to their young; being a translation of that part of Systema Naturae, as lately published, with great improvements, by Professor Gmelin of Goettingen), p. 206.  644 pp.

Links:

Mammal Species of the World

Distribution of Sorex cinereus

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