Carnivorous, it is a major predator of the American porcupine, it also takes small mammals, certain birds and fish.
Up to 10 to 11 years in the wild and in captivity.
Sexually mature at 2 years. Mating and birth occur between March and April. The 1-6 young are born after a delayed implantation (10 months) followed by an active gestation period of 2 months, and are weaned after 12-16 weeks.
Great horned owl, Canadian lynx, bobcat and black bear.