One,

Second,

Extended data:

Related extension: introduction of wolves;

Wolves are medium-sized, well-proportioned, with slender limbs and toes, which is conducive to fast running. The head and palate are pointed, the face is long, the nose is prominent, and the ears are pointed and upright. Canine teeth and cracked teeth are developed; The upper molar has obvious cusp, and the lower molar has small cusp and heel cusp: the diameter of molar crown is larger than the height of lateral incisors. Hair is thick and long. Forefoot 4~5 toes, hind foot 4 toes;

The claws are thick and blunt, and cannot or can only protrude slightly. The tail is hairy and developed. The appearance is similar to that of dogs and jackals, with long feet and thin body, squint eyes, long and sharp upper jaw, wide and curved mouth, upright ears, slightly narrow chest and tail hanging straight between two hind legs. The coat color varies with the place of origin. The coat color is brownish yellow or grayish yellow, slightly black, and the lower part is white.