According to its powerful front legs, it may have lived in burrows only coming out at night to hunt for food. Litter habits range from from three to five pups. If faced with starvation, they would kill and eat their own young. Males may have used scent traces to mark their territory. When another male stumbles across another's territory, it is a fight to the death.
Judging by their thick necks they could hold large vocal cords to create a low-pitch growl to warn off predators.