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Species of rodent From Wikipedia, the free encyclopedia
The hispid pocket mouse (Chaetodipus hispidus) is a large pocket mouse native to the Great Plains region of North America. It is a member of the genus Chaetodipus.
 | This article has an unclear citation style. (October 2015) |
| Hispid pocket mouse | |
|---|---|
| |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Heteromyidae |
| Genus: | Chaetodipus |
| Species: | C. hispidus |
| Binomial name | |
| Chaetodipus hispidus (Baird, 1858) | |
The hispid pocket mouse occurs across the Great Plains from southern North Dakota to central Mexico, and west from the Missouri River to the foot of the Rocky Mountains. It is not found in far-eastern portions of the states Kansas or Missouri.
This mouse is one of the largest pocket mice. Its pelage is bristley (hispidus means "bristley"), yellowish with black hairs interspersed above. It has a distinct, buffy lateral line and white underparts.
| Biological statistics (adult) | |
|---|---|
| Length | 190–237 mm |
| Tail | 90–115 mm |
| Hind foot | 23–30 mm |
| Ear | 12–14 mm |
| Weight | 35–60 g |
There are four recognized subspecies:
Hispid pocket mice inhabit a variety of upland habitats, but are most abundant in areas with sandy soils and patches of bare ground. They are also found in areas with rocky, loamy soils. Hispid pocket mice are not found in rocky prairie, and seem to avoid sand dunes and riparian zones. These mice prefer a vegetation mix of short- to mid-grasses, shrubs, forbs, cacti and/or yucca.
Essentially granivores, the diet of the hispid pocket mouse consists primarily of seeds it selectively gathers, though these mice do consume some insects and leaves.
Burrows are always dug in friable soil and have two to three entrances, often plugged. Unlike other pocket mice the hispid pocket mouse often leaves a conspicuous mound of earth about the burrow entrance (like the mounds of pocket gophers, but significantly smaller).
Hispid pocket mice are solitary.
Not much is known about the reproduction of this species. Adult males have been recorded with enlarged testes from March through October, and pregnant females have been trapped in July and August. The length of the breeding season suggests females can bear two or more litters a year.
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