Carnivorous, feeding on large herbivorous mammals, but also on rodents, hares, birds, insects, small fruit and occasionally fish.
Up to 10 years in the wild. Around 12-13 years in captivity.
The female is sexually mature at 2 and the male at 2 or 3 years of age. Mating occurs between February and March. The 5-7 pups are born between April and May after a gestation period of about 9 weeks, and are weaned after 5-8 weeks.
Cougar and bear can attack young, old or sick animals.