Paint Horses have a perfect name, because their coats look like the work of a mad artist. The names for the coat patterns are strange, too--tobiano, overo and tovero--but you can learn what the differences here.
Learn all about the biology of the horse from this interactive exhibit from the American Museum of Natural History. See how a horse hears, smells, sees, runs, eats, etc. This exhibit shows you everything you'd want to know about how a horse functions.