These large animals, which stand about six feet high at the shoulder, were first bred in for hauling coal and doing farmwork. The Narragansett Pacer was the first true American breed of horse. George Washington owned one, and it is said that mounted one for his famous ride. From 1860 to 1861, riders of the famous Pony Express used horses to deliver the nation's from St. Joseph, Missouri, to Sacramento, California, in just 10 days. All horses are , or plant eaters.
Horses are very social animals and live in .
When a baby horse, or foal, is born, its are almost at their full adult length. . 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.