in South America since at least the Late Pleistocene. The oldest fossil record of a cougar (Puma concolor) in South America (Argentina) is a partial skull from the late Calabrian age.

Characteristics

The head of the cougar is round, and the ears are erect. Its powerful forequarters, neck, and jaw serve to grasp and hold large prey. It has four retractile claws on its hind paws and five on its forepaws, of which one is a dewclaw.

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