Panther, a name applied loosely to certain members of the cat family, especially to large leopards and to cougars.
Wildcat is any of the many kinds of small, undomesticated cats. Wildcats are native to nearly all parts of the world, but the name is usually applied to the European wildcat and to the North American bobcat.
Jaguar, the largest cat of the Western Hemisphere. It resembles the leopard, but is larger and has a somewhat shorter tail.