Description Fur, feathers and scales are all animal coverings or skins. Animals use their skin to stay warm and dry, protect themselves or hide or even to warn other animals to stay away. Following Animal Noses, Animal Tails, Animal Eyes, Animal Mouths (NSTA/CBC Outstanding Trade Science Award), and Animal Legs, Mary Holland continues her photographic Animal Anatomy and Adaptations series by the many different ways that animals use and rely on their skin covering adaptations to survive in their habitats.