Another misconception is the assumption that every animal (in this case, Bison), regardless whether struck by arrow, spear, bullet or whatever instrument used died quickly and was soon recovered by hunters.
No telling the number of unrecovered wounded animals that didn't DRT but eventually died of their wounds and rotted away simply because there were so many that it wasn't worth the effort to track down and finish off. It was much, much easier and quicker to just kill another.
