Description
Wolf seen by the snow survey crew on the side of the Going-to-the-Sun Road
Date 10 April 2012, 15:12
Source 4-10-12-wolf-1
Author GlacierNPS http://www.flickr.com/people/43288043@N04
Source: https://commons.wikimedia.org/wiki/File:4-10-12-wolf-1_(7070913345).jpg

The northwestern wolf, Canis lupus occidentalis, also known as the Mackenzie Valley wolf, Alaskan timber wolf, Canadian timber wolf, or northern timber wolf, is a subspecies of gray wolf in western North America. It ranges from Alaska, the upper Mackenzie River Valley; southward into the Canadian provinces of British Columbia, Alberta, and Saskatchewan as well as the Northwestern United States.
Order: Carnivora
Family: Canidae
Genus: Canis
Species: Canis lupus
Subspecies: Canis lupus occidentalis Richardson, 1829
Synonyms:
Canis lupus alces (Goldman, 1941)
Canis lupus ater (Richardson, 1829)
Canis lupus mackenzii (Anderson, 1943 (1908))
Canis lupus pambasileus (Elliot, 1905)
Canis lupus sticte (Richardson, 1829)
Canis lupus tundrarum (Miller, 1912)