With Arizona heating up, Sonoran desert tortoises are on the move just in their usual slow fashion. “When they come out, they need food and water, and they also start looking around for mates or ...

Desert tortoises have lived in the deserts of California, Arizona, Nevada and Utah since the Pleistocene. In the early years of the 20th century, they still thrived within the Southwest's arid ...

Native to northern Mexico and the southwestern United States, the desert tortoise (Gopherus agassizii) once roamed all over the vast Mojave and Sonoran deserts, marking the landscape with their ...