Baird's shrew (''Sorex bairdi'') is a species of
mammal
Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or ...
in the family
Soricidae. It is
endemic to northwest
Oregon.
Baird's shrew inhabits moist
conifer
Conifers are a group of conifer cone, cone-bearing Spermatophyte, seed plants, a subset of gymnosperms. Scientifically, they make up the phylum, division Pinophyta (), also known as Coniferophyta () or Coniferae. The division contains a single ...
forests.
Description
Its fur is darker brown in winter than in summer, when it is brownish-chestnut or olive brown, with paler sides and belly. Males and females are about the same size, which is common among shrews in general. Also like other shrew species, Baird's shrew feeds on insects, worms, snails, and spiders. It shares the forests of its range with six other species of shrew, such as the
Pacific shrew.
Body length ranges from , with an average weight of , but ranging anywhere from .
Subspecies
Baird's shrew has two subspecies:
*''Sorex bairdi bairdi'', (Merriam, 1895) Type locality: "
Oregon,
Clatsop County
Clatsop County is one of the 36 counties in the U.S. state of Oregon. As of the 2020 census, the population was 41,072. The county seat is Astoria. The county is named for the Clatsop tribe of Native Americans, who lived along the coast of ...
,
Astoria"
*''Sorex bairdi permiliensis'', (Jackson, 1918). Type locality: "Permilia Lake, W base Mt. Jefferson, Cascade Range, Marion Co., Oregon."
See also
*
List of mammals of Oregon
This list of mammals of Oregon includes all wild mammal species living in or recently extirpated from the U.S. state of Oregon or its coastal shores. This list includes all species from the lists published by the American Society of Mammalogists ...
References
* Don E. Wilson & DeeAnn M. Reeder (editors). 2005. Mammal Species of the World. A Taxonomic and Geographic Reference (3rd ed), Johns Hopkins University Press, 2,142 pp. (Available from Johns Hopkins University Press, 1-800-537-5487 or (410) 516-6900, or at http://www.press.jhu.edu).
* Merriam, C. H.. "North America Fauna, 10: 77." ''Sorex bairdi''. 1985. 7 Apr 2009.
External links
*
Sorex
Biota of Oregon
Taxonomy articles created by Polbot
Mammals described in 1895
Mammals of Oregon
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