Mule, (Scientific name: Equus mulus) male donkey and female horse (mare) occurring often vicious. Male horse (stallion) and female donkey (bitch) called bardo, or ester, occurs at the view, but the donkey is a hybrid large fruit. Very similar, but the donkey mule horse carries all the flaws in the Bardo. Bardo is rarely grown as a mule and less durable.

Mules, although they are vicious animals in the world that she gave birth were almost 60 mule.

Small horse, mules, big and strong, some horses (the opposite) is more powerful. Marshall, however, horses are not as strong as big as the American Standardbred'i. These animals are less useful known for bad roads contrary.

Stubborn mule and rider is not right to challenge the legend of extraction, where the mules were reflexes that ensures security of the rider.