the Mama Tiger who adopted piglets when her own cubs died. She was so depressed and not eating, the zoo keepers decided to try her with baby pigs. They put the cubs' hides on them at first hoping she'd accept her new babies. It worked!
For most of the animals on this list, their long hair or fur evolved as a way to cope with the cold. Others were bred to have long hair, and some of these are not even capable of surviving on their own in the wild because of it like the Angora rabbit.