red roan stallion with grulla mare and blue roan yearling wild horses in the pryor mountains in wyoming united states

animal arrowhead band big black blaze blue caballus canyon cut desert equus female feral ferus free gray grulla grullo herd horn horse horses male mammal mane mare montana mountains mustang proud pryor pryors range red ridge roan rockies rocky scar stallion states sykes tail three tillett united usa west western white wild wilderness wildlife wyoming yearling