Did you know the rhinoceros and horse are related? Or that the elephant and hippopotamus aren’t (relatively speaking)? Sometimes, you can tell if two animals are related just by looking at them. It’s no surprise dogs and wolves share a common ancestor, or that squirrels and chipmunks are in the same family. But occasionally, two different species share a close relation which stretches the mind. So, let’s take a look at the animals you’d never guess are related.