He stands tall with his ears erect and tail high in the air to tell other wolves that he is in charge. Wolves are related to dogs. They can sometimes be dangerous. If you see a wolf, do not run away. Stand still and do not do anything until the wolf leaves.
Wolves mark their territory just like dogs.
It is called scent marking. A track is the mark of a wolf's paw on the ground when the wolf walks. A wolf's track is very similar to a dog's track. There was an Indian in a tribe and a wolf in a pack. They both got separated from their groups.