He explores the streets, estates and parks of Bristol in a quest for a surprising resident - the Tawny Owls of the city.
He finds the Little Owl, Britain's smallest, and discovers its connection to ancient Greece.
He goes in search of Britain's most common Owl, the Tawny Owl.
In Sweden, he has a close encounter with the Eagle Owl, the world's largest.
He visits the Mendips to catch up with the Barn Owl.