A small ground squirrel native to arid and semi-arid regions of southwestern United States and northwestern Mexico, characterized by its distinctive white tail and rapid locomotion.
Dry desert and scrubland environments including Mojave, Sonoran, and Chihuahuan desert regions, with preference for sandy or rocky terrain with sparse vegetation
Key seed disperser and prey species, contributing to ecosystem dynamics through seed transportation and serving as a food source for predators like raptors and carnivorous mammals