Brent Stephenson / Wilson's Storm-petrel (Oceanites oceanicus) hovering whilst feeding in calm conditions. Cuverville Island, Antarctic Peninsula, Antarctica, December.

Jeff Wilson / Adult Arctic wolf (Canis lupus) Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer

Jeff Wilson / Arctic wolf (Canis lupus) on tundra, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer

Jeff Wilson / Royal Navy ship, HMS Endurance, crashing through the waves in the south atlantic ocean, Antarctica, November 2009. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Pyramid of sea ice catching the first rays of the returning sun in the high Arctic, Svalbard, Spitsbergen, Norway, February 2009. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Silhouette of Arctic wolf (Canis lupus) on sea ice, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer

Jeff Wilson / Pyramid of sea ice catching the first rays of the returning sun in the high Arctic, Svalbard, Spitsbergen, Norway, February 2009. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Frozen Planet team tent at Lake Hoare Camp, Dry Valleys, Antarctica, December 2009. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Royal Navy helicopter from HMS Endurance flying over sea and antarctic landscape, November 2008, Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Pyramid of sea ice catching the first rays of the returning sun in the high Arctic, Svalbard, Spitsbergen, Norway, February 2009. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / View through the porthole of science teams and Frozen Planet film crew working on the sea ice in the Bering Sea, Alaska, USA, March 2008. The film crew were in search of Spectacled eider ducks, temper...

Jeff Wilson / Mountain landscape, Antarctica, November 2008. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Emperor penguin (Aptenodytes forsteri) adults and chicks in colony beside ice cliff, Cape Crozier, Antarctica, November 2009. Taken on location for BBC series, Frozen Planet, Spring.

Jeff Wilson / Sun Dog, or Parhelion, caused by refraction of the sun's rays, more commonly seen in Antarctica, above glacier, Dry Valleys, Antarctica, December 2009. Taken on location for the BBC series, Frozen Pla...

Jeff Wilson / Emperor penguin (Aptenodytes forsteri) two adults in colony, Cape Crozier, Antarctica, November 2009. Taken on location for BBC series, Frozen Planet, Spring.

Jeff Wilson / Two Arctic wolves (Canis lupus) in tundra landscape, Ellesmere Island, Nunavut , Canada, June 2008, Taken on location for BBC series, Frozen Planet, Summer

Jeff Wilson / Crew member of the US coastguard ship 'Healy' standing on the sea ice in front of the ship's hull after the ship became stuck in the ice, Bering Sea, Alaska, USA, March 2008. Taken on location for the...

Jeff Wilson / Ventefact, a wind shaped rock, in the Dry Valleys, Antarctica, December 2009. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Frozen planet team clothes and equipment ready for Antarctica expedition to Ross Sea, in National Science Foundation hanger, Christchurch, New Zealand, October 2009. Taken on location for BBC series,...

Jeff Wilson / Director, Chadden Hunter, standing on wind eroded rock talking on radio to base camp, Dry Valleys, Antarctica, December 2009. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Aerial view of the River Onyx, the only running river in Antarctica, Dry Valleys, December 2009. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Field Assistant, Jason Roberts, standing on top of rock pinnacle, Svalbard, Spitzbergen, Norway, July 2009, Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Film crew walking out of mountains down into Chitral valley after filming Snow leopard (Panthera uncia) Hindu Kush, Pakistan. For BBC Planet Earth series, Mountains episode, 2005

Jeff Wilson / Boy studying Koran inside Mosque, Lahore, Pakistan, 2006

Jeff Wilson / Two Markhor (Capra falconeri) males fighting during the rut, Hindu Kush mountains, North West frontier, Pakistan, photographed whilst on location filming for BBC Planet Earth series, 2005

Jeff Wilson / Two Markhor (Capra falconeri) males fighting during the rut, Hindu Kush mountains, North West frontier, Pakistan, photographed whilst on location filming for BBC Planet Earth series, 2005

Jeff Wilson / Markhor (Capra falconeri) male silhouetted in the Hindu Kush mountains, North West frontier, Pakistan, photographed whilst on location filming for BBC Planet Earth series, 2005

Jeff Wilson / Markhor (Capra falconeri) male on mountain side in the Hindu Kush mountains, North West frontier, Pakistan, photographed whilst on location filming for BBC Planet Earth series, 2005

Jeff Wilson / Head portrait of Markhor (Capra falconeri) young male browsing on foliage, in the Hindu Kush mountains, North West frontier, Pakistan, photographed whilst on location filming for BBC Planet Earth seri...

Jeff Wilson / Female Snow leopard (Panthera uncia) watching a Magpie (Pica pica) outside her den in the Hindu Kush mountains, North West frontier, Pakistan, photographed whilst on location filming for BBC Planet Ea...

Jeff Wilson / Camera crew searching for crevasse to film in, Gorner glacier, near Zermatt in the Swiss Alps, Switzerland. For BBC Planet Earth series, Mountains episode, 2006

Jeff Wilson / Film crew lowering camera into crevasse in Gorner glacier, near Zermatt in the Swiss Alps, Switzerland, for BBC Planet Earth series, Mountains episode, 2006

Jeff Wilson / Rear view of pilots and Trango towers in the Karakoram Mountains, Himalayas, Pakistan, from Pakistani military helicopter, for BBC series Planet Earth. April 2005

Jeff Wilson / Aerial view of glaciated valley of Concordia, Karakoram Mountains, Himalayas, Pakistan. From Pakistani military helicopter for BBC series Planet Earth April 2005

Jeff Wilson / Aerial view of K2 and glaciated valley of Concordia, Karakoram Mountains, Himalayas, Pakistan. From Pakistani military helicopter for BBC series Planet Earth April 2005

Jeff Wilson / Aerial view of K2 and glaciated valley, Concordia, Karakoram Mountains, Himalayas, Pakistan. From Pakistani military helicopter for BBC series Planet Earth 2005

Jeff Wilson / Aerial view of Broad Peak in the Concordia confluence, Karakoram Mountains, Himalayas, Pakistan. From Pakistani military helicopter for BBC series Planet Earth 2005

Jeff Wilson / Jeff Wilson searching for Birds of Paradise, tropical rainforest, Papua New Guinea. For BBC Planet Earth, Jungles episode, 2005

Tim Laman / Wilson's Bird of Paradise (Cicinnurus respublica) male and two females in display court, Batanta Island, Papua, Indonesia. Near-threatened.

Tim Laman / Wilson's Bird of Paradise (Cicinnurus respublica) male, Batanta Island, Papua, Indonesia, Near-threatened.

Shattil & Rozinski / Wilson's phalarope (Phalaropus tricolor) flock flying, Blanca Wetlands, San Luis Valley, Colorado, USA

Staffan Widstrand / Looking down onto Wilson's Promontory NP coastline, Victoria, Australia

Ingo Arndt / Eastern Grey Kangaroo (Macropus giganteus) joey reaching into mother's pouch, Wilson's Promontory National Park, Australia

RICHARD KIRBY / Wilson's Bird of Paradise male displays to females on twig above. Irian Jaya, Western New Guinea (West Papua).

RICHARD KIRBY / Wilson's Bird of Paradise male displaying to females on twig above. Irian Jaya, Western New Guinea (West Papua).

Tim Fitzharris / Boreal forest and Mount Wilson, Banff National Park, Alberta, Canada

Marie Read / Wilson's Phalaropes (Phalaropus tricolor) large flock swimming/foraging near the shoreline at Mono Lake, tufa formations in the background, late July, Mono Lake, California, USA. July.

Marie Read / Wilson's Phalarope (Phalaropus tricolor), female in breeding plumage, stretching its wing and foot, perched on small tufa outcrop in the water, Mono Lake, California, USA, July.

Marie Read / Wilson's Phalarope (Phalaropus tricolor), female feeding by using surface tension of water to pick up small prey item, probably brine shrimp (Artemia monica), while swimming, Mono Lake, California, US...

Marie Read / Wilson's Phalaropes (Phalaropus tricolor), flock resting on partly-submerged tufa formation Mono Lake, California, USA, July.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor) group on low tufa outcrop at Mono Lake California, Sierra Nevada in background, USA, July.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor), flock flying over tufa formations at Mono Lake, just after sunrise, California, USA.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor), flock in flight, coming in to land near shoreline, Mono Lake, California, USA, July.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor) large flock swimming/in flight near the shoreline at Mono Lake, tufa formations in the background, late July, Mono Lake, California, USA. July.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor), flock flying past tufa formations, Mono Lake, California, USA, July.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor) large flock flying over tufa formations, late July, Mono Lake, California, USA, July.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor), flock turning in flight showing both ventral and dorsal views of birds, late July, tufa formation in center of frame, Mono Lake, California, USA, July.

Marie Read / Wilson's Phalaropes (Phalaropus tricolor) large flock in flight, late July, Mono Lake, California, USA, July.

LYNN M. STONE / Wilson's Plover (Charadrius wilsonia) on sand beach. St. Petersburg, Florida, USA, April.

Benoit Stichelbaut / Imoca 60ft Monohull "Great American III", skippered by Rich Wilson, Vendee Globe 2008-2009, Les Sables D'Olonne, France, October 2008.

Benoit Stichelbaut / Imoca 60ft Monohull "Great American III", skippered by Rich Wilson, Vendee Globe 2008-2009, Les Sables D'Olonne, France, October 2008.

Benoit Stichelbaut / Imoca 60ft Monohull "Great American III", skippered by Rich Wilson, Vendee Globe 2008-2009, Les Sables D'Olonne, France, October 2008.

Konrad Wothe / Wilson's Bird-of-paradise (Cicinnurus respublica) male displaying to female, Batanta Island, Indonesia

Gerrit Vyn / Wilson's snipe (Gallinago delicata) calling, Seward Peninsula, Alaska, USA May

Shattil & Rozinski / Male Wilson's warbler (Cardellina pusilla) on twig, Glacier Bay National Park, Alaska, USA, May

Steve Gettle / Wilson's Plover (Charadrius wilsonia), Fort Desoto Park, Florida

Kathryn Jeffs / Wilson's storm petrel (Oceanites oceanicus) running along water surface, Antarctica, January, Taken on location for BBC Frozen Planet series

Kathryn Jeffs / Wilson's storm petrel (Oceanites oceanicus) running along water surface, Antarctica, January, Taken on location for BBC Frozen Planet series

Jeff Wilson / Polar Bear (Ursus maritimus) tracks in moraine mud at head of glacier, Svalbard, Spitzbergen, Norway, July 2009, Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Polar Bear (Ursus maritimus) tracks in moraine mud at head of glacier, Svalbard, Spitzbergen, Norway, July 2009. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Cameraman Mark Smith near to an Arctic wolf (Canis lupus) whilst filming wolves for Frozen Planet, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer

Jeff Wilson / Cameraman Mark Smith near to an Arctic wolf (Canis lupus) whilst filming wolves for Frozen Planet, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer

Jeff Wilson / Helicopter and crew on deck of US Coastgaurd ship 'Healy' in frozen Bering Sea, Alaska, March 2008. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Wild Arctic wolf (Canis lupus) marking fuel containers in camp during filming of Frozen Planet, Ellesmere Island, Nunavut, Canada, June 2008, Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Two adult Arctic wolves (Canis lupus) on tundra, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer

Jeff Wilson / Red knot (Calidris canutus) on tundra, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Cameraman, Mark Smith, on an all-terrain-vehicle searching for Arctic wolves, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / The sun returns for the first time to Svalbard, Norway, in the High Arctic after an absence of six months during the Arctic winter, February 2009. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Film crew coming alongside Royal Navy ship, HMS Endurance, Antarctica, November 2008, Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Adult Arctic wolf (Canis lupus) Ellesmere Island, Nunavut, Canada, June 2008

Jeff Wilson / Wild Arctic wolf (Canis lupus) male, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer

Jeff Wilson / Adult Arctic wolf (Canis lupus) on tundra, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer

Jeff Wilson / Twin otter aircraft dropping BBC Frozen Planet team into camp for filming of Arctic wolves, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer

Jeff Wilson / Adult Arctic wolf (Canis lupus) in tundra landscape, Ellesmere Island, Nunavut, Canada, June 2008, Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Adult Arctic wolf (Canis lupus) howling on tundra landscape, Ellesmere Island, Nunavut, Canada, June 2008, Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Gentoo penguins (Pygoscelis papua) at base of Union Jack flag flying at Port Lockeroy, Neumayer Channel, Antarctica, November 2008. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Wild Arctic wolf (Canis lupus) in camp during filming of Frozen Planet, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer

Jeff Wilson / Wild Arctic wolf (Canis lupus) near camp during filming of Frozen Planet, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer

Jeff Wilson / Adult Arctic wolf (Canis lupus) howling on tundra landscape, Ellesmere Island, Nunavut, Canada, June 2008, Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Emperor penguin (Aptenodytes forsteri) adults walking in line across ice with ice cliff in the background, Cape Crozier, Antarctica, November 2009. Taken on location for BBC series, Frozen Planet, Spr...

Jeff Wilson / 'Ice Camp' on a National Science Foundation field training course, McMurdo station, Ross Island, Antarctica, October 2009. Taken on location for BBC series, Frozen Planet, Winter

Jeff Wilson / Woolly lousewort (Pedicularis lanata) flowering on tundra, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer

Jeff Wilson / Aerial view of tundra landscape, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer

Jeff Wilson / Naval helicopter landing on deck of Royal Navy ship, HMS Endurance, Antarctica, November 2008. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / The sun never sets during the 24 hour daylight of the Arctic summer, Svalbard, Spitzbergen, Norway, July 2009, Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Royal navy helicopter from HMS Endurance in flight, Antarctica. Taken on location for the BBC series, Frozen Planet.