The northwestern deer mouse or Keen's mouse (''Peromyscus keeni'') is a species of

rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are na ...

in the family

Cricetidae The Cricetidae are a family of rodents in the large and complex superfamily Muroidea. It includes true hamsters, voles, lemmings, muskrats, and New World rats and mice. At almost 608 species, it is the second-largest family of mammals, and has m ...

. It is found in

British Columbia British Columbia (commonly abbreviated as BC) is the westernmost province of Canada, situated between the Pacific Ocean and the Rocky Mountains. It has a diverse geography, with rugged landscapes that include rocky coastlines, sandy beaches, ...

in Canada and in

Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S., ...

and

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered o ...

in the United States. It was named after the Rev.

John Henry Keen John Henry Keen (1851–1950) was an Anglican missionary in Canada, known for translating scriptures into Haida. While serving as a missionary, he also contributed to Canada's natural history, writing on insects he discovered; he had a specie ...

in 1894.

References

*Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 ''in'' Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore.
''Peromyscus keeni''
Wilson and Reeder's Mammal Species of the World (Don E. Wilson & DeeAnn M. Reeder (editors). 2005. Mammal Species of the World. A Taxonomic and Geographic Reference. 3rd ed.) Hanley, Thomas A., and Jeffrey C. Barnard. “Spatial Variation in Population Dynamics of Sitka Mice in Floodplain Forests.” Journal of Mammalogy, vol. 80, no. 3, 1999, pp. 866–879. JSTOR, www.jstor.org/stable/1383255. Peromyscus Rodents of North America Mammals of Canada Mammals of the United States Fauna of Alaska Least concern biota of North America Least concern biota of the United States Mammals described in 1894 Taxonomy articles created by Polbot {{Peromyscus-stub