well everything that has hair loses it and grows new as the hairs die. Animals that are covered in hair also mostly change their coats seadonally, growing extra fluffy hair for winter warmth and losing it in the spring
molt, also spelled MOULT, is the shedding or casting off of an outer layer or covering and the formation of its replacement. Molting, which is regulated by hormones, occurs throughout the animal kingdom. It includes the shedding and replacement of horns, hair, skin, and feathers. It is a form of regeneration.