This small ground squirrel lives only in California's western Mojave Desert. It is active by day and spends much of the year underground.
It is small and brown, with bristly hairs at the tip of its tail. USGS notes this tail-tip feature as a way to distinguish it from the closely related round-tailed ground squirrel.
It is active by day and spends much of the year in underground burrows, which help it avoid harsh desert conditions.
An extinction-risk assessment has not been added yet.