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DescriptionThe San Joaquin Pocket Mouse vocalizes with low grunts, growls, and squeals, and communicates aggression by tooth-chattering. This species will consume earthworms and soft-bodied insects, but its diet is mainly very tiny seeds of grasses, forbs, and shrubs. Its burrows are conspicuous in the short grass where it lives, in west-central California. To groom their fur, San Joaquin Pocket Mice sandbathe, digging into the loose sandy soil and then sliding and rubbing their bodies in the sand.
Mammal Species of the World
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