Chadden Hunter / Entering the ice caves of Mount Erebus, Antarctica. Taken on location for BBC Frozen Planet series, 2009

Chadden Hunter / Cameraman Jeff Turner and Producer Chadden Hunter exposed at -40 degrees in Arctic circle in Northern Canada while filming wolves and bison hunting sequence. Taken on location for BBC Frozen Planet se...

Chadden Hunter / Aerial view of Timber wolves (Canis lupus) attacking a Bison calf (Bison bison) on the Arctic circle in Northern Canada. Taken on location for BBC Frozen Planet series, 2009

Chadden Hunter / Aerial view of hunting pack of Timber wolves (Canis lupus) in Arctic circle in Northern Canada, Taken on location for BBC Frozen Planet series, 2009

Chadden Hunter / King penguin (Aptenodytes patagonicus) chick creche enduring harsh weather, South Georgia. Taken on location for BBC Frozen Planet series, 2008

Chadden Hunter / King penguins (Aptenodytes patagonicus) walk along beach, South Georgia. Taken on location for BBC Frozen Planet series, 2008

Chadden Hunter / Frozen Planet team, training on snow mobiles, Svalbard. Taken on location for BBC Frozen Planet series, 2008

Chadden Hunter / Filming on the Antarctic sea-ice at the edge of a small hole. A cameraman gets a shock when a Killer whale (Orcinus orca) mother and calf explode out of the water in front of his face. Taken on locat...

Chadden Hunter / Snow goose with gosling (Chen caerulescens) at sunset. Taken on location for BBC Frozen Planet series, 2008

Chadden Hunter / Stormy conditions outside the entrance to ice caves of Mount Erebus, Antarctica. Taken on location for BBC Frozen Planet series, 2009

Chadden Hunter / BBC filming team used the willow scrub as a blind, using sign language so as not to spook either Bison (Bison bison) or Timber wolves (Canis lupus) they were trying to film. The snowmobiles were aban...

Chadden Hunter / Getting snow off snowmobiles after successful filming of Timber wolves hunting bison, Arctic circle in northern Canada. Taken on location for BBC Frozen Planet series, 2009