Species Survey of Tundra Wolves in baffin island

Baffin island tundra wolves have a sharp palate on their heads, a long face, a prominent nose, pointed ears and a developed sense of smell. Canine teeth and cracked teeth are developed; The upper molar has obvious tooth tip, and the lower molar has small tooth tip and heel tip inside; The diameter of molar crown is larger than the height of lateral incisor; The tooth type is. Hair is thick and long, generally without patterns. Forefoot 4 ~ 5 toes, hind foot 4 toes; The claws are thick and blunt, and cannot be extended or slightly extended. In cold weather, wolves can reduce the blood flow near the skin to keep their body temperature. The warm adjustment of the sole pad is independent of the rest of the body. When the sole pad is in contact with ice and snow, it can be maintained at a temperature slightly higher than that of tissue frostbite. The tail is hairy and developed.