Canis lupus hudsonicus Nick Name: The Tundra Wolf a sub-species of the gray wolf, The species was classified in 1944 as one of the four subspecies in Alaska by Edward Goldman. While there is a current wolf population on the peninsula, the lack of genetic similarity to the original species has resulted in a classification of extinction for the original Kenai Peninsula wolf sub-species.They are found in Canada, west of Hudson Bay from Northern Manitoba through the Northwest Territories and above, sometimes migrating south in the winter with the caribou herds.Hudson Bay Wolves are of medium size with body lengths of 4 to 5 feet on average, and measuring from 28 to 36 inches high. Their weight may vary anywhere from 80 to 140 pounds, with females being slightly smaller than males.Hunting in packs, they will prey on large ungulates such as caribou, moose and bison. When large prey is not as plentiful, they will also feed on carrion and smaller animals. On average, they require about 10 pounds of meat per day. They have bushy hair that can vary from a light grey to a yellowish-white or cream color. Their hair seems to be lighter in the winter. They are said to be similar in general to the Mackenzie Valley wolf, only smaller.The status of the Hudson Bay Wolf has not been evaluated by the IUCN. Though it is considered by many to be endangered. Its lifespan in the wild is approximately 10 years.