Puma, also called mountain lion or cougar, large New World cat found in mountains, forests, swamps and jungles of the Americas. It has a small round head, erect ears and a heavy tail. The coat is tawny or pale brown with dark brown down the ears, nose and tail; the underparts are white. It preys mainly on deer and small animals, but has been known to take livestock. Length: to 2.32m, including the tail; height: to 75cm at the shoulder. Family Felidae; species Felis concolor.