grey wolf

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A large grey wolf, Canis lupus, once found throughout forested areas of northern Europe, Asia and America; it shares a common ancestry with the domestic dog.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a wolf with a brindled grey coat living in forested northern regions of North America