These social animals live in packs. Both a male (alpha) and a female (luna) lead the group. A pack usually consists of a family in which hierarchy prevails. The size of the pack depends on the food supply.
To strengthen the bond between them in a group, they often howl in chorus. This enhances the group feeling. In addition, Hudson Bay Wolves howl in chorus to stay in contact with group mates. Other wolves can hear this howling from a distance of up to 8 kilometers. Of course, this depends on weather conditions and any obstacles. They also howl in chorus to let them know where their territory extends.