Gray wolves are carnivores. They hunt prey on their own, steal the prey of other predators, or scavenge carrion. Prey is located by chance or scent. Animals included in the diet of gray wolves varies geographically and depends on prey availability. Gray wolves are highly social, pack-living animals. Each pack comprises two to thirty-six individuals, depending upon habitat and abundance of prey. Most packs are made up of 5 to 9 individuals. Gray wolves may live thirteen years in the wild, though average lifespan is 5 to 6 years. In captivity they may live to be fifteen years of age.
Due to the disposition of this species, some A quality skulls may have some slight damage, likely due to encounters with other wolves.