A horse's height is measured from the ground to the top of its shoulders in units called . People all over the world have different ways of describing the horse's call. In English, we say the horse neighs or whinnies. Horses move at different paces, such as a walk, trot, canter, or gallop. These paces are known as .
Some people believe that it is the ancestor of all modern breeds.
Today there are only 150 Przewalski horses left in America, and almost all of them are in zoos. With events like racing, rodeos, shows, and competitions, equestrian sports are the third-largest sport in America. In the 1996 Atlanta games, the U.S. Equestrian Team won the medal in show jumping. Of the three races, the Stakes is the longest in distance. African-Americans have played an important role in the sport of horse racing, and the famous Kentucky Derby is no exception.