Please subscribe to Hay Festival Anytime for access to this content (more details)
Subscribe for £20.00 or log in if you already have a subscription
Tim Birkhead
Bird Sense
Hay Festival 2012,
What is it like to be a swift, flying at over 100km an hour? Or a kiwi, plodding flightlessly among the humid undergrowth in the pitch dark of a New Zealand night? And what is going on inside the head of a nightingale as it sings?