Wildlife cameraman Doug Allan recalls his encounters with snow petrels in Antarctica.
The team boards their yacht Pelagic, designed for the glacial ice fields they encounter.
Fierce storms and dense sea ice provide more challenges to the film crew.
With their ship locked in ice, the crew attempt to walk across the frozen Antarctic waters
Life is tough not only for the penguins, but also for the team filming their lives.
The young Gentoo penguins prepare to enter the water for the first time.
Peter Gibbs meets the Penguins of the Falkland Islands.
Peter Gibbs meets the Falkland Islands farmers making a living from sheep and penguins.
Liz Bonnin presents an Antarctic specialist, the delicate looking snow petrel.