Wolves are the largest members of the dog family. Grey wolves are by far the most common and were once found all over the Northern Hemisphere. They have grey-brown fur with lighter fur on their chest and legs, pointed ears and a thick, bushy tail. In winter they have very thick coats to keep them warm. They are the size of a large Alsatian, but can blend in very well with their surroundings. In the wild they hunt in a pack, running long distances to exhaust their prey - usually deer. Wolves and humans have a long adversarial history. Though they almost never attack humans, wolves are considered one of the animal world's most fearsome natural villains. They do attack domestic animals, and countless wolves have been shot, trapped, and poisoned because of this tendency. Wolves were hunted to extinction in the England by the 15th Century, and Scotland by the 17th Century.