orange red roan mare and black stallion wild horses on tillett ridge in the pryor mountains in wyoming united states

america animal arrowhead bay big black blue caballus canyon cut desert dun equus female feral ferus free gray grulla grullo herd horn horse horses male mammal mane mare montana mountains mustang orange pair proud pryor pryors range red ridge roan rockies rocky rust scar stallion states strawberry sykes tail tillett two united usa west western white wild wildlife wyoming