Francois Savigny / Snow leopard. Wild {Panthera uncia} Ladakh, India

Ben Osborne / African elephants (Loxodonta africana) bulls crowd into an emptying waterhole to drink, Savuti, Botswana. Taken on location for BBC Planet Earth series, 2005

Ben Osborne / African elephant (Loxodonta africana) splashes mud with his foot. Savuti, Northern Botswana. Taken on location for BBC Planet Earth series, 2005

Ben Osborne / Aerial view of African elephants (Loxodonta africana) find shade under trees to avoid midday sun, during a drought. Northern Botswana. Taken on location for BBC Planet Earth series, October 2005

Ben Osborne / Aerial view of African elephants (Loxodonta africana)moving through wetland in the Okavango delta, Northern Botswana, taken on location for BBC Planet Earth series, October 2005

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

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 / 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

Philippe Clement / Lightning during thunderstorm above petrochemical industry seen through magnifying glass held against illuminated globe of the earth Digital composite

Tom Clarke / Rear view of tradional feather headdress and jewellery of Huli wigman, Tari Valley, Papua New Guinea, during filming of BBC series Planet Earth, August 2004.

Chadden Hunter / Gelada baboon (Theropithecus gelada) group grazing, filmed for the Mountains episode of the BBC tv series Planet Earth, Simien Mountains National Park, Ethiopia, Oct 2003

Chadden Hunter / Dallol hot springs where water heated by magma laden with potassium, sulphur and iron spews up through salt pans staining the salt deposits with vivid colours, in the bottom of the Rift Valley, 120 me...

Warwick Sloss / Baobab trees {Adansonia grandidieri} Morondava, Western Madagascar, on location for BBC Planet Earth 'Forests'

Niall Benvie / A conceptual picture of Global warming illustrated through a model of the earth with a sign at the North Pole saying "Danger, Thin Ice".

Peter Scoones / Stove pipe sponge (Aplysina archeri) Caribbean photographed during making of BBC Planet Earth series 2005

Peter Scoones / Red bellied piranha (Serrasalmus / Pygocentrus nattereri) pantanal wetlands, Brazil. photographed during making of BBC Planet Earth series 2005

Peter Scoones / Yellow / Goldsaddle goatfish (Parupeneus cyclostomus) hunting together with Bluefin Jacks (Caranx melampygus) and Chinese sea kraits {Laticauda semifasciata} over coral reef, Gunung Api, Banda sea, In...

Peter Scoones / Underwater view of African Elephants {Loxidonta africana} playing, Okavango Delta, Botswana photographed during making of BBC Planet Earth series 2005

Peter Scoones / Dorado (Salminus maxillosus) amongst Piraputangas (Brycon microlepis) Pantanal, Brazil. photographed during making of BBC Planet Earth series 2005

Peter Scoones / Spectacled caiman underwater reflections (Caiman crocodilus) Pantanal, Brazil photographed during making of BBC Planet Earth series 2005

Sue Flood / Scenic over coral reef, Kingdom of Tonga, South Pacific. 2005

Sue Flood / Humpback whale mother pushing her calf up to the surface (Megaptera novaeangliae), Kingdom of Tonga, South Pacific. 2005

Sue Flood / Doug Allan filming Humpback whale mother and calf (Megaptera novaeangliae), Kingdom of Tonga, South Pacific, for Planet Earth, Sept 2005.

Sue Flood / Tail flukes of two feeding Humpback whales (Megaptera novaeangliae), Antarctic peninsula. 2005

Mark Brownlow / Mark Brownlow, producer of Freshwater programme for BBC Planet Earth series, behind ice sheet, on location at Lake Baikal, world's deepest and oldest (and largest by volume) freshwater lake, Siberia,...

Mark Brownlow / Rebreather instructor Ian Thomas and cameraman Didier Noirot prepare to dive under the ice, Lake Baikal, world's deepest and oldest (and largest by volume) freshwater lake, Siberia, Russia. BBC Plane...

Mark Brownlow / Looking down on frozen surface of Lake Baikal, world's deepest and oldest (and largest by volume) freshwater lake, Siberia, Russia. BBC Planet Earth series, April 2005

Mark Brownlow / Aerial view of Upper Yosemite Falls in Yosemite NP, California, USA. BBC Planet Earth series. May 2006

Mark Brownlow / Low aerial view of Iguazu falls, world's largest waterfalls that straddle Brazil and Argentina, Iguacu Falls NP, South America. BBC Planet Earth series. November 2005

Mark Brownlow / Kukenon, flat top tepuis, southern Venezuela, South America. November 2005, BBC Planet Earth

Mark Brownlow / Angel Falls, world's tallest waterfall, southern Venezuela, South America November 2005, BBC Planet Earth

Mark Brownlow / Aerial view of Snow goose (Chen caerulescens) flock in flight, part of annual migration, Bombay Hook NWR, Delaware Bay, Delaware, USA. November 2005, BBC Planet Earth

Mark Brownlow / Aerial view of Bombay Hook NWR, Delaware Bay, Delaware, USA. Salt marsh and refuge for migratory flocks of Greater snow geese. November 2005, BBC Planet Earth

Mark Brownlow / Aerial view of Bombay Hook NWR, Delaware Bay, Delaware, USA. Salt marsh and refuge for migratory flocks of Greater snow geese. November 2005, BBC Planet Earth

Mark Brownlow / Aerial view of Bombay Hook NWR, Delaware Bay, Delaware, USA. Salt marsh and refuge for migratory flocks of Greater snow geese. November 2005, BBC Planet Earth

Mark Brownlow / Aerial view of Great Barrier Reef, Queensland, Australia September 2006, BBC Planet Earth