The Arctic wolf (Canis lupus arctos), also known as the white wolf or polar wolf, is a subspecies of grey wolf native to Canada's Queen Elizabeth Islands. It is a medium-sized subspecies, distinguished from the northwestern wolf by its smaller size, its whiter colouration, its narrower head and larger carnassial.
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The only time at which the wolf migrates is during the wintertime when there is complete darkness for 24 hours. This makes Arctic wolf movement hard to research. In the wild, Arctic wolves primarily prey on muskoxen and Arctic hares. They have also been found to prey on lemmings, caribou, Arctic foxes, birds, and even beetles!
The Arctic wolf is of the least concern when it comes to being endangered but it does face threats of endangerment. In 1997, there was a decline in the Arctic wolf population and its prey, muskoxen (Ovibos moschatus) and Arctic hares (Lepus arcticus).
