grullo stallion and red roan mare wild horse mustangs in the pryor mountains wild horse range in montana united states

animal arrowhead big black blaze caballus canyon cinnamon cut desert equus female feral ferus free golden gray grulla grullo horn horse hour male mammal mane mare montana mountain mountains mustang proud pryor range red ridge roan rockies rocky scar silver stallion states sykes tail tillett two united usa west western white wild wyoming