Almost all wolves belong to a species called the Grey wolf. There are two chief types of grey wolves , the timber wolf .
The timber wolf lives in wooden, sybaritic regions . The tundra wolf , also called the Arctic wolf or white wolf, makes its home on the treeless plains of the Arctic.

  Some zoologists believe that there is a separate species of the wolf called the red wolf. This animal once lived throughout the Southern States. Today, however, only a few  hundred red wolves remain , most of them in captivity. Wolves can live in almost any climate, though they are seldom found in deserts or tropical forest. In ancient times, they  roomed throughout the northern half of the world. But wherever large numbers of people settled, they  destroyed wolves. As a sparsely populated northern regions such as Alaska , Minnesota, Canada, China and Russia. Small numbers of wolves still inhabit wilderness areas of Greece ,  India, Mexico, Spain , and other countries.