When it comes to describing an animal's coat, there are plenty of synonyms to choose from. Some common ones include fur, hair, bristles, wool, feathers, scales, and skin. Fur and hair are typically used for mammals, while feathers are most often associated with birds. Bristles are usually used to describe the spiky hairs on pigs or other animals, while wool is reserved for shaggy sheep or goats. Scales and skin are used for animals like snakes or crocodiles. No matter which word you choose to use, describing an animal's coat can give valuable insight into its behavior, habitat, and lifestyle.