You can still listen to BBC iPlayer Radio via your browser by visiting bbc.co.uk/radio
6/20 David Attenborough recalls visiting Australia to find the giant earthworm - using his ears
BBC Radio 4
5/20 People are not the only species who sing. Many birds do and even another ape. (R)
BBC Radio 4 FM
5/20 David Attenborough reveals the life of insects that emerge from the earth every 17 years.
4/20 David Attenborough explores the natural history of potatoes, peppers and artichokes.
3/20 David Attenborough's fascination with the fossilised evidence of the beginning of life.