Bird's Nest Soup

Available for 27 days

Filming birds that make their nests from saliva proved a challenge in the total darkness of a Borneo cave.... .....until a conical mound of bat guano provided a natural platform. Series of talks by Sir David Attenborough on the natural histories of creatures and plants from around the world. Producer: Julian Hector First broadcast on BBC Radio 4 in September 2009.