Secrets of Bones S01E04 - Sensing the World

Ben Garrod delves into the surprising ways in which bone has evolved to help vertebrates sense the world around them. He reveals why predators like the wolf have eyes at the front of their skull whereas prey animals such as sheep usually have eye sockets on the side of their heads. He finds out how the skull of the great grey owl has helped it develop such extraordinary hearing and uncovers the secret behind one bizarre creature's uniquely flexible nose.