![]() ![]() ( "San Joaquin Pocket Mouse", 2009 "Terrestrial Mammal Species of Special Concern in California", 1998 Best, 1993 Reid, 2006) inornatus differ in size of body, length of tail, coloration, and skull characteristics. San Joaquin pocket mice get their name from the fur-lined pockets in their cheeks that are used to store and transport seeds. ![]() Tail hairs extend less than 6 mm beyond the end of the tail. The tail, which is slightly larger than 50% of the total length, is bi-colored and relatively non-penicillate. The ventral pelage is white and there are orange markings around the eyes. The dorsal pelage is pale to pinkish, overlaid with blackish brown hairs. San Joaquin pocket mice have silky pelage without bristles and spines. ( "California Wildlife Habitat Relationships System", 1990 "Terrestrial Mammal Species of Special Concern in California", 1998 Hafner, et al., 1998) Agriculture and urban development have displaced San Joaquin pocket mice from much of their native habitat. They are most abundant in uncultivated areas and often live in areas with sandy washes and finely textured soils. San Joaquin pocket mice are found in open grasslands, savanna, and desert shrub communities. ( Hafner, et al., 1998 Linzey and Hammerson, 2009) ![]() San Joaquin pocket mice are found in California's central valleys, including the San Joaquin, Sacramento, and Salinas valleys, as well as the surrounding foothills of the western Sierra Nevada mountains and the western Mojave desert. ![]()
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