THE team behind natural history series Life On Earth have revealed that one of the challenges of the series was keeping presenter Sir David Attenborough looking well-groomed.

In a BBC Radio 4 programme reuniting those involved in the ground-breaking shows - first screened 35 years ago - they revealed they were forever having to ensure he looked tidy on screen. Jane Wales, who worked as a producer's assistant on the TV wildlife series, said they would have to quickly run a comb through the hair of the reluctant host, pictured.