Wolves are pack animals that travel, hunt and den together. They are also very territorial and compete with other packs for prime hunting areas. With the exception of man, the wolf is not subject to predation but its numbers are governed by the availability of large game.
Image captured at the Muskoka Wildlife Centre during a photographic workshop led by Raymond J. Barlow (http://www.raymondbarlow.com)
Nikon D90 and Sigma 150-500 mm lens