| Mule |
| Equine hybrid |
| Mule's cousin |
| Hybrid animal |
| Hybrid equine |
| Hybrid quadruped |
| Horse/donkey cross |
| Rare equine hybrid |
| Horse-donkey hybrid |
| Horse and donkey cross |
| Horse-donkey offspring |
| Offspring of a horse and a donkey |
| Cross of a male horse and a female donkey |