Braving the planet's most severe winter weather, the crew spent six months living alongside male emperor penguins. To film a top shot of the group dynamic changing over time, they set up a fixed post on top of a huge glacier overlooking the huddle to shoot timelapse. Their efforts were rewarded when the previously uncatalogued exhalation of heat, as occasional squabbles broke out, became clearly visible.
Available since: Fri 29 May 2009
David Attenborough's selection of memorable film moments demonstrating the leaps in filmmaking technology in the past 30 years and showcasing the diversity of life on Earth.
A collection of clips showing the best in timelapse nature films.
Be captivated, informed and inspired by the world's wildlife.
Watch the best video clips of the BBC series Planet Earth.