Liz Bonnin presents the adelie penguin on a windswept Antarctic shore.
Wildlife cameraman Doug Allan recalls hearing an emperor penguin chick for the first time.
Sir David Attenborough presents the emperor penguin from the Antarctic Peninsula.
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.
Scientists installing cameras in Antarctic penguin colonies – Penguin Watch is online
Penguins, from engaging funny figures to sentinels of change.
Physicist Peter Barham discusses spying on individual penguins in Show Us Your Instrument.
Tom Hart of Oxford University maintains a network of remote cameras trained on penguins
Lionel Kelleway encounters a colony of 5,000 Rockhopper penguins in the Falkland Islands.
Wildlife cameraman John Aitchison watches leopard seals hunting young penguins.