oreas Bangs, 1898 sitkensis Merriam, 1897 The northwestern deer mouse or Keen's mouse (Peromyscus keeni) is a species of rodent in the family Cricetidae.

It is found in British Columbia in Canada and in Alaska and Washington in the United States.

[2] Hanley, Thomas A., and Jeffrey C. Barnard.

“Spatial Variation in Population Dynamics of Sitka Mice in Floodplain Forests.” Journal of Mammalogy, vol.

This Peromyscus article is a stub.