wild horses on hillside

american animal animals background bloodline breed bronc brown brush cayuse colt colts copy desert distance distant eating feeding feral free frontier grace grazing green grey group herd high hillside horizontal horse horses husbandry indian land mustang mustangs northwest pictorial ponies pony power prairie range rangeland rank rebellion reservation roam roaming running sage sagebrush space species squirly standing untamed view washington west western white wild yakima young