Watch Series: Iolo's Secret Life of Birds Released in (2010) - Season 1 produced by UK, The TV Series categorized in Documentary, and content rating TV-G with duration 30 min broadcasted as these networks BBC One, BBC HD, Streamed at Putlocker Iolo Williams explores the behaviour of birds in Wales, revealing all aspects of their lives from surviving harsh winters and avoiding predators, to living alongside us in our towns and cities. - Season 1