The Gray wolf is the most common form of wolf known to man kind.  It was found in most of the world, from North America to Europe. However, lately it has lost most of it's hunting ground.SO you will usually find it more in Asia, and Canada. The Gray wolf can range in size and height, some of the lighest wolfs werigh a mere 55 pounds, while more heavier wolfs weigh near 88 pounds. The range in height, from leg to shoulder, 22-45 inchs tall. The wolf eats a variety of things. many of these things are other animals. Gray wolf is a wild animal. Besides the skins and hides of the animal, the gray wolf doesn't have anything of value.  http://en.wikipedia.org/wiki/Wolf

http://www.wolf.com/

http://www.defenders.org/wildlife_and_habitat/wildlife/wolf,_gray.php