There are two species of wolves: The gray, or timber wolf, (Canis Lupus) once widly distributed but now found only in Canada, Alaska, and northern Europe and Russia, except for a few isolated packs in other regions; and the red wolf , (Canis Rufus) found only in Texas and the southeastern United States.
An adult gray wolf measures up to 2 m (6.5 feet) in length, including the tail and weighs up to 80 kg (175 pounds) In the spring females have litters of one to eleven pups.
