The Bone Breaker, or Lammergeier, is a bird with a nine-foot wing span, half-eagle, half-vulture. It survives by lifting large bones from carcasses and dropping them onto rocks from 500ft. It is then able to eat the piece of bone and marrow. It lives in the mountainous regions of Asturias, northern Spain. There's also a visit to a small colony of brown bears, from an estimated population of 80 still surviving there.