Even with my free range birds, the roosters will fight until they establish a hierarchy. I've had some lost to predators, and when I raise up a couple of young

Even with my free range birds, the roosters will fight until they establish a hierarchy. I've had some lost to predators, and when I raise up a couple of young ones, the fights will start all over again. I've never lost a bird to fighting injuries, but they can be quite brutal to each other.