Mustangs are small, tough horses. They carry their heads high and proud. Maybe because they fight their way through the wilderness, without being nurtured and cared for by humans.
After the Mustangs noble Arabian and Berber horses came to America. They mingled with the mustangs, which is why you can still see wild horses in many of them today can see their elegant physique. Mustangs are often said to they are quite stubborn. This is because they are through freedom are very independent of humans in their way of life. Also her foals get them without any outside help. They are usually born at night. This is safer because their enemies - especially pumas - are more likely to be in chasing the brighter twilight.