I was under the impression that it had more to do with lips than jaws. Hyenas can outbite humans a thousand times over, but they can't drink a milkshake throug

I was under the impression that it had more to do with lips than jaws. Hyenas can outbite humans a thousand times over, but they can't drink a milkshake through a straw! In other words, breaking bones is the easy part; sucking out the marrow is the tricky bit.