This story is a quest for an animal so rare that a sighting has never been recorded. The Somali golden mole was first described in 1964. It is mentioned in a number of textbooks, but the sole evidence for its existence is a tiny fragment of jawbone found in an owl pellet. Intrigued by this elusive creature, and what it can tell us about extinction and survival, Richard Girling embarks on a hunt to find the animal and its discoverer - an Italian professor who he thinks might still be alive...Richard's journey comes at a time when one species - our own - is having to reconsider its relationship...