When a horse and a donkey mate, the result is one of the most famous and hardworking hybrids in history: the (or the less common hinny ). This cross-species pairing has been utilized by humans for millennia, combining the best traits of both parents into a single, robust animal.
This is the offspring of a male donkey (jack) and a female horse (mare) . Mules are the most common cross because they are easier to breed and tend to be larger and stronger.
A: Almost never. Male mules are always sterile. They are castrated to make them safe to work with.
Contrary to popular belief, you cannot simply leave a stallion in a field with a jenny (female donkey) and expect success. The mating process requires management.