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Grey Wolf Montana

The grey wolf, (Canis Lupus), is a member of the family Canidae native to Eurasia and North America. Although they formerly roamed throughout Eurasisa and North America, habitat loss has limited their range. It is thought that they are the ancestors of all modern dog breeds.


Diet and HuntingEdit

Wolves are known to eat a variety of animals. Although they mainly eat large ugulates such as caribou (some of them 10-15 times larger than themselves) they have been known to eat a variety of animals as small as mice.

Generally, they hunt in packs, although unlike lionesses, they remain in these for shorter periods of time and mated pairs have been known to generally be more cooperative during hunts. Single wolves have been known to bring down large prey such as caribou and muskoxen. Chases normally last under a mile (1.6 kilometers) although one wolf was known to give a 13 mile chase to a deer. Some wolves have been exhibited to use a single wolf as a decoy to chase deer into the direction of a trap with more wolves.

SubspeciesEdit

In 2005, 39 subspecies of gray wolf were recognised, including the red wolf and two subspecies of domestic dog, Canis lupus dingo and Canis lupus familiaris. Wolf subspecies are divided into two categories:

"Northern wolves": large sized, large brained wolves with strong carnassials which inhabit North America, Europe and northern Asia.

"Southern wolves": native to North Africa, the Arabian Peninsula and South Asia. They are characterised by their short fur, small brains and weak carnassials. They may represent a relic population of early wolves, as they closely resemble fossil European wolves, and the rate of changes observed in their DNA sequences date them to about 800,000 years, as opposed to the American and European lineages which stretch back only 150,000. The vocalisations of southern wolves have a higher proportion of short, sharp barking, and they seldom howl. It is likely that dogs and dingoes stem from this group.

Wolves in Central and East Asia are intermediate in form and size to northern and southern wolves. Differences in brain size are well defined in different wolf populations, with wolves in northern Eurasia having the highest values, North American wolves having slightly smaller brains, and the southern wolves having the smallest. Southern wolves have brains 5–10% smaller than northern wolves.[13] Though different in behaviour and morphology, northern and southern wolves can still interbreed: the Zoological Gardens of London for example once successfully managed to mate a male European wolf to an Indian female, resulting in a cub bearing an almost exact likeness to its sire.

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