Dipodomyinae
Heteromyinae
Perognathinae
Most Heteromyidae live in complex burrows within the deserts and grasslands of western North America, though species within the Heteromys and Liomys genera are also found in forests and extend down as far as northern South America. They feed mostly on seeds and other plant parts, which they carry in their cheek pouches to their burrows.
Although they are very different in physical appearance, the closest relatives of the Heteromyidae are pocket gophers in the family Geomyidae.
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