New research suggests Sonoran Desert toads went into steep decline after stories of their mind-bending chemical properties ...

Nearly a decade after its completion, the Ann Day Memorial Wildlife Bridge near Oro Valley has become a vital lifeline for ...

Sonoran Desert tortoises (Gopherus morafkai) are a cool native animal.They are native to the Sonoran Desert and can be found anywhere in that region, including down to northern Mexico. They can ...

The Sonoran tortoise population has grown greatly since the early 80s due to captive breeding. With their exploding population and our climate warming, how can a population crash be avoided?