8/13 David Attenborough looks at the advantages of birds' feathers. (R)
4/6 In Scotland Julia walks the Speyside Way, the route that once served the whisky industry. (R)
2/6 Julia Bradbury takes a walk along the stunning Mawddach estuary in north Wales. (R)
BBC Two Wales only
BBC Two except Wales
5/6 Streath a' sealltainn boidheachd beantann na h-Alba. The beauty of Scotland's mountains. (R)
9/13 Steve Backshall looks at life in the oldest desert in the world, the Namib in Africa.
6/6 David Attenborough comes face-to-face with a baby rhino and asks what the future holds.
BBC One except Channel Islands
2/4 How the steam locomotive, the internal combustion engine and the jet engine were invented. (R)
9/13 Steve Backshall looks at life in the oldest desert in the world, the Namib in Africa. (R)
Thursday 7 February 2013