Wolf,a large carnivore related to the jackal and domestic dog.Wolves are known for their keen intelligence,skilled hunting,and highly organized social structure.
Wolves have strong jaws,powerful legs,and bushy tails.Certain features of the skull distinguish them from domestic dogs,some breeds of which they otherwise resemble.The shaggy coat of most gray wolves is smoky gray,but it may have a brownish or reddish tinge.The chest and abdomen are usually white,with black patches on the backs and sides.Some gray wolf populations are pure black or pure white.（嫌长的话下面可以 不要）
An adult gray wolf stands about 90 cm (about 3 ft) high at the shoulder,measures 120 cm (4 ft) in length excluding the tail,and weighs 31 to 54 kg (68 to 120 lb).Females are smaller than males,and southern gray wolves are smaller than those in the north.