There are plenty of species out there yet to be discovered, but occasionally animals from different but closely related species will mate and produce offspring that result in creatures that are often genetically superior to the animals that created them.

Here are 13 examples of such animals:

13. Liger

You’ll have heard of this one. The awesomely-named liger is a cross between a male lion and female tiger and officially the largest cat in the world as they always turn out larger and stronger than both parents.