2/6 Paul Evans visits the Juan Fernandez Islands in search of its firecrown hummingbird.
BBC Radio 4
1/6 Brett Westwood joins botanist Tim Rich to look for the whitebeam trees.
9/9 A poet and a stone are companions on a most unusual journey to Australia.
8/9 An unusual sound safari, eavesdropping on the world of insect sounds.
7/9 The search to find the first gorilla brought out of Africa to live in captivity.
6/9 Brett Westwood visits the Calf of Man, a rugged island to the south of the Isle of Man.
5/9 Chris Sperring discovers that the Severn Estuary is a vital nursery ground for marine fish
4/9 Brett Westwood asks how feasible it is to set up a conservation area in the sea.
3/9 Tessa McGregor explores the Sea of Cortez, a whale and dolphin hotspot off Mexico.
2/9 Brett Westwood investigates the potential for restoring large areas of heathland.