Doug Allan / Crossing a crevasse ladder in the Khumbu Icefall on Mount Everest Nepal. Model released. Freeze Frame book plate page 143.

Steven Kazlowski / Young Polar bear (Ursus maritimus) traveling across newly formed pack ice during autumnal freeze up, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska,...

Doug Allan / Killer Whales (Orcinus orca) spy-hopping to observe Weddell Seal (Leptonychotes weddellii) in preparation to knock it from the ice by creating a wave. Marguerite Bay, Antarctic Peninsula, summer. Free...

Doug Allan / Killer Whales (Orcinus orca) create bow wave to knock Weddell Seal (Leptonychotes weddellii) from the ice; a co-operative hunting strategy. Marguerite Bay, Antarctic Peninsula, summer. Freeze Frame bo...

Doug Allan / Killer Whales (Orcinus orca) approaching Weddell Seal (Leptonychotes weddellii) in preparation to knock it from the ice by creating a wave. Marguerite Bay, Antarctic Peninsula, summer. Freeze Frame bo...

Doug Allan / Icefish (Chaenocephalus aceratus) Signy Island, South Orkney Islands, Antarctica, Freeze Frame book plate page 92

Doug Allan / Snow carved by wind, Signy Island, South Orkney Islands, Antarctica. Freeze Frame book plate page 14.

Doug Allan / Snow drift over winter sea ice. Signy Island, South Orkney Islands, Antarctica, August 1980. Freeze Frame book plate page 13.

Doug Allan / Man walking in vast icy wilderness. Kong Karl's Land, Svalbard, Norway, April. Freeze frame book plate page 17.

Doug Allan / Portrait of wildlife cameraman Doug Allan in freezing conditions. Kong Karl's Land, Svalbard, Norway, March. Freeze frame book plate page 71. Model released.

Doug Allan / Minke Whale (Balaenoptera acutorostra) at the surface in vast seascape wilderness. Antarctica, February. Freeze frame book plate page 135.

Doug Allan / Climbers on summit ridge at 6,000m, Mount Illampu, Bolivia, March 2005. Freeze Frame book plate page 137.

Doug Allan / White whales (Beluga) underwater. Arctic sea. Freeze Frame book plate page 201.

Doug Allan / Hooded seal male display {Cystophora cristata} St Lawrence gulf, Canada. Freeze Frame book plate page 187.

Doug Allan / Leopard seal {Hydrurga leptonyx} with Adelie penguin prey underwater, Antarctica, Freeze frame book plate page 184.

Doug Allan / Emperor penguins {Aptenodytes forsteri} diving, Cape Washington, Antarctica. Freeze Frame book plate page 133.

Doug Allan / Emperor penguins diving {Aptenodytes forsteri} Antarctica. Emperor penguins are the bird diving champions and can acheive a depth of 500m. Humans can only descend 150m before the water pressure collap...

Orsolya Haarberg / High angle view of person walking on frozen lake of cracked ice. Lofoten Islands, Norway. January.

Peter Cairns / Birch (Betula sp) covered in lichens festooned in lichens, Cairngorms National Park, Scotland, March.

Sandra Bartocha / European beech (Fagus sylvatica) forest in snow, Wittow, Rugen, Germany, January.

Alex Hyde / Chicken wire coated in hoar frost. Peak District National Park, Derbyshire, UK, December 2012.

Doug Allan / Killer Whale (Orcinus orca), member of a pod searching for Weddell Seals (Leptonychotes weddellii) among sea ice. Marguerite Bay, Antarctic Peninsula, summer. Freeze Frame book plate page 118-119.

Doug Allan / Killer Whale (Orcinus orca) observing Weddell Seal (Leptonychotes weddellii) in preparation to knock it from the ice by creating a wave. Marguerite Bay, Antarctic Peninsula, summer. Freeze Frame book...

Doug Allan / Weddell Seal (Leptonychotes weddellii) being thrown off ice by wave created by Killer Whales (Orcinus orca) using co-operative hunting strategy. Marguerite Bay, Antarctic Peninsula, summer. Freeze Fra...

Doug Allan / Weddell Seal (Leptonychotes weddellii) being thrown off ice by wave created by Killer Whales (Orcinus orca) using co-operative hunting strategy. Marguerite Bay, Antarctic Peninsula, summer. Freeze Fra...

Doug Allan / Killer Whale (Orcinus orca) spy-hopping to observe Crabeater Seals (Leptonychotes weddelli); the whales are in search of Weddell Seals. Marguerite Bay, Antarctic Peninsula, summer. Freeze Frame book p...

Doug Allan / Killer Whale (Orcinus orca) spy-hopping to observe a Crabeater Seal (Lobodon carcinophagus); the whales are in search of Weddell Seals. Marguerite Bay, Antarctic Peninsula, summer. Freeze Frame book p...

Doug Allan / Sheets of broken ice floes with two Adelie penguins (Pygocelis adeliae); the sea ice reflects heat while the open sea absorbs it, Weddell Sea, Antarctica. Freeze Frame book plate page 110

Doug Allan / Cameraman Doug Allan on location in Lake Baikal, Siberia, with seal hunter and motorbike with sidecar pulling sledge. April 1989, Cover image of Freeze Frame

Doug Allan / David Attenborough (left) and Doug Allan filming in Svalbard, Norway, for BBC Life of Mammals series, summer, Freeze Frame book plate page 7

Doug Allan / Rick Price filming Crabeater seals (Lobodon carcinophagus) underwater, several seals are pulling kelp from the seabed, Normanna Strait, Signy Island, South Orkney Islands, Antarctica, August, Freeze F...

Doug Allan / Doug Allan diving underwater observing antiquarian sponges, Lake Baikal, Siberia, Russia, March, Freeze Frame book plate page 49

Doug Allan / Frost flowers created by small amounts of water freezing on top of newly formed sea ice, Borge Bay, Signy Island, South Orkney Islands, Antarctica, July, Freeze Frame book plate page 79

Doug Allan / Man standing beside raised footprints in the snow, caused when the wind blows away the lose snow leaving the compacted snow, Signy Island, South Orkney Islands, Antarctica, September, Freeze Frame boo...

Doug Allan / Doug Allan filming Leopard Seal (Hydrurga leptonyx) with Adelie penguin above, Antarctica, Freeze Frame book plate page 185

Doug Allan / Giant Isopod (Isopoda). South Orkney Island, Antarctica. Freeze Frame book plate page 93.

Doug Allan / Baikal Seal (Pusa sibirica) emerging from hole in the lake ice. Lake Baikal, Siberia, Russia. Freeze frame book plate page page 49.

Doug Allan / Cameraman Doug Allan filming Shags (Phalacrocorax aristotelis) on his first ever paid shoot. Signy Island, South Orkney Islands, Antarctica, 1984. Freeze frame book plate page 36.

Doug Allan / Chinstrap Penguins (Pygoscelis antarcticus) on the slopes of active volcano. Zavodoski Island, South Sandwich Group, Antarctic. Freeze Frame book plate page 157.

Doug Allan / Cameraman Doug Allan filming seals with white sail for camouflage, Lake Baikal, Siberia, Russia, April 1989. Freeze Frame book plate page, 48.

Doug Allan / Southern Fur Seals (Arctocephalus gazella) underwater in kelp. South Georgia, Antarctica, November 1992. Freeze Frame book plate page 179.

Doug Allan / Snow Leopard (Panthera uncia) tracks in snow at 4000m altitude. Mountain valley near Rombuk village, Hemis National Park, Ladakh, India, January 2004. Freeze Frame book plate page 29.

Doug Allan / Chinstrip Penguins (Pygoscelis antarcticus) resting on an iceberg. Zavadovski Island, South Sandwich group, Antarctica. Freeze Frame book plate page 159.

Doug Allan / Colonies of Chinstrap and Macaroni Penguins (Eudyptes chrysolophus) on the slopes of active volcano, Zavadovski Island, South Sandwich group, Antarctica. Freeze frame book plate page 154.

Doug Allan / Iceberg floating in front of smoking volcano. Zavadovski Island, South Sandwich group, Antarctica. Freeze Frame book plate page 153.

Doug Allan / Two young male Polar Bears (Ursus maritimus) play fighting. Hudson Bay, Churchill, Canada. Frame book plate page 99.

Doug Allan / Cameraman Doug Allan on location filming young Moose (Alces alces). Utchka, Siberia, Russia, March 1991. Freeze Frame book plate page 31.

Doug Allan / Adelie Penguin chicks (Pygoscelis adeliae) begging an adult for food. Antarctic Peninsula. Freeze Frame book plate page 57.