The wild horse is a species of the genus Equus, which includes as subspecies the modern domesticated horse (Equus ferus caballus) as well as the undomesticated konik heck. Free-roaming herds of feral mustang brumby horses. Animal environment herd high mountain mammal nature summer real mount mountainous montane higher elevation terrain treeless geography topography free wildlife altitude equine mare colt workhorse hack steppe spring outdoor barren hill hillside unspoiled unmanned nobody freedom mane purebred riding stud foal filly stallion liberty dehydrated plots waterless arid moorland independence latitude black brown flock wold veld stony slopes hoof galloping snow snows snowy crowd gallop trot walk walking walks UHD 4K 3840X2160.