Helen Macdonald, author of H Is For Hawk and Tim Birkhead, Professor of Behaviour and Evolution at the University of Sheffield and author of Bird Sense, share their experiences of observing birds closely and their pick of writing inspired by real and fictional birds. Professor Birkhead’s recent research has been into the adaptive significance of egg shape in birds and Helen Macdonald won the 2014 Samuel Johnson Prize and Costa Book Award for her writing about the year she spent training a goshawk. Presenter: Lucy Powell

Producer: Jacqueline Smith