Cougars are large solitary cats. About the same size and weight as a human, these lone hunters silently stalk their prey through forests and mountains. Exceptional jumpers and climbers, cougars are also very fast and agile. Their coat varies from a light tan to a stony grey to a dark black depending on the region. Cougars are solitary animals, and will hunt alone. They cannot roar, but their screams sound like that of a dying woman.