The dwarf shrew is a species of mammal in the family Soricidae endemic to Arizona, Colorado, Montana, Nebraska, New Mexico, South Dakota, Utah, and Wyoming in the United States. The type locality is Estes Park, Colorado, USA. Wikipedia
Scientific name: Sorex nanus
Mass: 0.091 oz (Adult)
Conservation status: Least Concern
Length: 2 in. (Adult)
Rank: Species
Source: Encyclopedia of Life