Bailey's pocket mouse is a small rodent of the Sonoran Desert. It is active at night and carries seeds and other food in its cheek pouches.
The fur on its back is grayish or yellowish, and its underside is white. It has internal cheek pouches for carrying food.
It is nocturnal and eats seeds, insects, and green plant material. It can carry food in its cheek pouches.
An extinction-risk assessment has not been added yet.