5/8 Wildlife sound recordist Chris Watson travels to India to record the roar of a tiger.
BBC Radio 4
4/8 The remarkable story of Emma Turner; a pioneer of bird photography.
3/8 The sounds of a Ghost Roost; a performance by starlings.
BBC Radio 4 FM
2/8 Paul Evans goes in search of the Water Boatman's song.
1/8 Astonishing and revelatory sounds above, below and within Antarctica's landscape of ice.