red bay wild horse stallion running in the pryor mountains wild horse range on the border of wyoming and montana united states

america animal bay big black caballus canter canyon chase chasing dun equus feral ferus free gallop galloping horn horse horses icon iconic male mammal mane montana mountains mustang one proud pryor pryors range red roan run running sorrel stallion states tail tree trot united usa walking western white wild wilderness wildlife wyoming