Spotted horse , also called paint, piebald, skewbald, and other terms to describe variations in colour and markings.
The American Indian ponies of the western U.S. were often pintos. Most pure-breed associations refuse to register horses with pinto colouring. Pintos have colour patterns called overo (white spreading irregularly up from the belly, mixed with a darker colour) and tobiano (white spreading down from the back in smooth, clean-cut patterns).