Documentary showing how Iceland's wildlife survives volcanic eruptions. (R)
BBC Two England
The British Isles has made a pole to pole journey taking three billion years to complete. (R)
BBC Two Scotland
BBC Two except East, Scotland, South East, Yorkshire
'The Silver Tide' reveals the drama and danger of the salmon on their last great journey.
BBC Two except East, South East, Yorkshire
Orchids combine beauty & deceit, the 'femme fatales' of nature. Their bizarre means of pollination make them seem more like intelligent animals than plants
Outsized amphibious guinea-pigs are the unlikely heroes of this film.
A look at the complex social behaviour of a mandrill troop in Gabon, West Africa. (R)