If you breed a horse with a donkey (follow all the same steps), you'll end up with a baby mule. Mules can't breed with any other creature.

Beyond its use as a label for a very stubborn person, you might be aware the mule is a hybrid animal, related to horses and donkeys but properly belonging to neither species. A mule is a cross between ...

A zorse is a hybrid animal, the offspring of a zebra stallion and a horse mare, often smaller than either parent and ...

The Corolla Wild Horse Fund made the difficult decision to euthanize Raymond the mule on Oct. 30 “due to a small scrotal ...