Yes - there is currently a wolf pack at Yellowstone with 35 - 40 members, that specializes in bison-hunting.
However- the Related Link listed below differs, stating that the "Mollie's" wolf pack at Yellowstone only has 19 members as of December 2011.
Because they live in groups and they have a 'pack' hierarchy. They usually travel in groups - and are 'sociable' with each other.
Wolves do travel together in packs.
Same reason humans travel in groups, wolves travel in packs and most animals travel in some type of herd, pride, flock or what-have-you. We crave interaction, friendly contact, and above all, safety.
Wolverines are generally solitary. They tend to have nasty dispositions. The arctic wolverine usually lives in groups
they travel in packs
They live and travel in big groups called pods.
wolves breed with big pet dogs or other wolves or big wild dogs
Grey wolves hunt in packs together so that big animals wont get a chance to attack, but instead of the big animals hunting grey wolves, grey wolves hunt the big animals.
Because they live in groups and they have a 'pack' hierarchy. They usually travel in groups - and are 'sociable' with each other.
yes
They live in groups called packs
Mainly wolves live in groups called packs. But when a wolf gets sick or injured it leaves the pack and becomes a lone wolf.