(Cuckoo/2009) This is one of those rare occasions where reality is more amazing than folklore. The cuckoo has intrigued and inspired people for thousands of years, with Greek philosophers, poets and Shakespeare writing about these birds and their dubious reputation. But what separates the facts from the fiction? Filmed over two years, this programme seeks to unravel the secret and seemingly scandalous world of this infamous bird. Narrated by Sir David Attenborough.