"Without habitat, there is no wildlife. It is that simple"
Ecologists have observed that there is greater diversity along the edges of different ecosystems, and the Sky Islands are all about edges. Spanning the borderlands between the Sierra Madre mountains in Mexico and the Rockies in the USA, where the Chihuahuan and Sonoran deserts overlap the edges of the Great Plains and the neotropics, the area is a stopover oasis for migratory birds, as well as full time home to endangered jaguars and ocelots.
DDFI is home to numerous birds and mammals, attracted by quantity of food, water and friendly humans.