A puma is a type of big cat that looks a bit like a lion. In fact, another name for a puma is a mountain lion.
Puma, cougar, panther, and mountain lion are different names for the same animal, the Puma concolor. While pumas are quite a bit larger than your family cat (weighing as much as 200 pounds), they are still considered members of the "small cat" species, which include bobcats, lynx, and ocelots, among many others. Pumas are found from northern Canada to South America, the largest range of any land animal in the Americas.