The cougar (Puma concolor) is a large felid of the subfamily Felinae. It is native to the Americas. Its range spans from the Canadian Yukon to the southern Andes in South America, and is the widest of any large wild terrestrial mammal in the Western Hemisphere. It is an adaptable, generalist species, occurring in most American habitat types.
Due to its wide range, it has many names including puma, mountain lion, red tiger, and catamount.
This site contains all information about Mountain Lions In The Desert.