Sorex (Otisorex) nanus Merriam 1895

Sorex (Otisorex) nanus Merriam 1895, N. Amer. Fauna, 10: 81.

Type Locality: USA, "Estes Park [Larimer Co.], Colorado ".

Vernacular Names: Dwarf Shrew.

Distribution: Rocky Mountains from Montana to New Mexico; South Dakota; Arizona (USA).

Conservation: IUCN – Lower Risk (lc).

Discussion: Subgenus Otisorex . Very similar to, and perhaps conspecific with tenellus, see review by Hoffmann and Owen (1980, Mammalian Species No. 131); but George (1988) retained both as distinct species.