sentences:  It was previously considered a subspecies of the Alpine musk deer, but was separated on the basis of different skull proportions.White-bellied musk deer are very well adapted for high altitudes; they demonstrate such adaptations as well-developed dew claws, broad toes that provide increased stability on steep slopes, and a dense coat of coarse hairs with air-filled cells to insulate against the extreme temperature.While they lack antlers, a trait notable among all musk deer, they do possess a pair of enlarged and easily broken canines that grow continuously.