Species: Perognathus parvus
Great Basin Pocket Mouse
Species
Encyclopedia of Puget Sound
Classification
Kingdom
Animalia
Phylum
Craniata
Class
Mammalia
Order
Rodentia
Family
Heteromyidae
Genus
Perognathus
NatureServe
Classification
Other Global Common Names
souris à abajoues des pinèdes
Informal Taxonomy
Animals, Vertebrates - Mammals - Rodents
Formal Taxonomy
Animalia - Craniata - Mammalia - Rodentia - Heteromyidae - Perognathus - .
Ecology and Life History
Migration
true - false - false
Non-migrant
true
Locally Migrant
false
Food Comments
Primarily a seed eater, but also feeds on insects and some green vegetation in spring/summer. Seeds stored in underground storage chambers. May forage in grain fields but no significant damage has been noted (Bureau of Land Management, no date).
Reproduction Comments
Reproductively active spring-summer. Gestation probably lasts about 21-28 days; 0-3 litters/year, varies with precipitation. Number of fetuses/female ranges from 2 to 8 (average about 5). Young are weaned in about 3 weeks.
Ecology Comments
Primarily solitary. Home range has been estimated at up to 0.40 ha; varies with several factors. Population density may reach 80/ha or more in years with abundant precipitation.
Length
20
Weight
31
Conservation Status
NatureServe Global Status Rank
G5
Global Status Last Reviewed
1996-11-07
Global Status Last Changed
1996-11-07
Other Status
LC - Least concern
Distribution
Conservation Status Map
<img src="http://www.natureserve.org/explorer/servlet/GetMapGif?CA.BC=S2&US.AZ=S4&US.CA=SNR&US.CO=S1&US.ID=S5&US.MT=S2&US.NV=S5&US.OR=SNR&US.UT=S4&US.WA=S5&US.WY=S2" alt="Conservation Status Map" style="width: 475px; height: auto;" />
Global Range
Great Basin, from south-central British Columbia southward to southern California, northern Arizona, and southwestern Wyoming.