Bleeding Hearts and Bone Breakers

John Hurrell Crook, British anthropologist, studies the social organization of Gelada baboons in their natural state in the mountains of Ethiopia. Shows the Gelada baboons, which have a red heart-shaped patch on their chests, playing, eating, grooming, mating, and avoiding conflict. Solves the mystery of broken bones by tracing them to the lammergeirer, a large bird of prey