Carnivorous, feeding principally on snowshoe hares, but takes many other species of mammals, birds and even fish.
Up to 15 years in the wild and about 20 years in captivity.
Generally, the female is sexually mature at 2 years. Mating occurs between March and April. The 1-4 cubs are born between May and June after a gestation period of 9-10 weeks, and are weaned after 3 months.
Beside human, cougar and gray wolf.