Carol Walker / Spanish / Andalusian stallion performing Alta Escuela moves, rearing up, Andalucia, Spain

Roy Mangersnes / Evening sky over mountain top near Raudefjorden, Northern Spitsbergen, Svalbard, Norway, September

Roy Mangersnes / Female Polar bear (Ursus maritimus) and cub on coastal rocks near Whale skeleton, Spitsbergen, Svalbard, Norway, August

Roy Mangersnes / Arctic fox (Alopex / Vulpes lagopus) standing, near Longyearbyen, Spitsbergen, Svalbard, Norway, August

Roy Mangersnes / Golden eagle (Aquila chrysaetos) perched on dead pine tree, Southern Norway, December

Roy Mangersnes / Two Barnacle geese (Branta leucopsis) in flight, Spitsebergen, Svalbard, Norway, August

Roy Mangersnes / Black-legged kittiwakes (Rissa tridactyla) on an old building including one landing, Finnmark, Norway, April

Roy Mangersnes / Delta running through autumn colours in Adventsdalen, Spitsbergen, Svalbard, Norway, August

Roy Mangersnes / Person stretching after waking up on the Pulpit Rock, 604 meters above the Lysefjorden, Rogaland, Norway, Scandinavia, Model released

Roy Mangersnes / Person standing on Pulpit Rock, 604 meters above the Lysefjorden covered in mist, Rogaland, Norway

Roy Mangersnes / Mist above Monaco Glacier, North west of Spitsbergen, Svalbard, Norway, August

Roy Mangersnes / Juvenile Black-legged kittiwake (Rissa tridactyla) flying over Raudfjorden, North-western tip of Spitsbergen, Svalbard, Norway, September

Peter Cairns / 2020VISION / Puffin (Fratercula arctica) standing on a rock, posing for a tourist holding a camera, Shetland Isles, Scotland, UK, July 2011. 2020VISION Book Plate. Did you know? Although the largest colonies of pu...

Mark Hamblin / 2020VISION / Adult female Eurasian dotterel (Charadrius morinellus) in breeding habitat on upland plateau of Grampian mountains, Cairngorms NP, Scotland, UK, May 2011. Did you know? In one summer, a female dottere...

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

Andy Rouse / Waterfall and ice cliff catching evening light. Austfonna Polar Ice Cap, Svalbard, Norway, August 2011.

Andy Rouse / Waterfall from ice cliffs with ice-cap stretching into the distance. Austfonna Polar Ice Cap, Svalbard, Norway, August 2011.

Andy Rouse / Polar ice cap at sunset. Austfonna Polar Ice Cap, Svalbard, Norway, August 2011.

Andy Rouse / Ice cliff and waterfall catching evening light. Austfonna Polar Ice Cap, Svalbard, Norway, August 2011.

Andy Rouse / Waterfall from ice cliffs with ice-cap stretching into the distance. Austfonna Polar Ice Cap, Svalbard, Norway, August 2011.

Andy Rouse / Walrus (Odobenbus rosmarus) colony discharging gas on beach. Svalbard, Norway, August 2011.

Andy Rouse / Walrus (Odobenbus rosmarus) splashing through surf. Svalbard, Norway, August.

Andy Rouse / Male Walrus (Odobenbus rosmarus) in shallow water. Svalbard, Norway, August.

Andy Rouse / Landscape of Seven Islands and arctic coastline. Svalbard, Norway, May 2010.

Andy Rouse / Walrus (Odobenbus rosmarus) in rough water. Svalbard, Norway, August.

Andy Rouse / Polar Bear (Ursus maritimus) in snowstorm. Spitsbergen, Norway. Non-excusive.

Andy Rouse / Polar Bear (Ursus maritimus) crossing pack ice. Svalbard, Norway, September.

Andy Rouse / Polar Bear (Ursus maritimus) portrait on pack ice. Svalbard, Norway, September.

Andy Rouse / Polar Bear (Ursus maritimus) sleeping on pack ice. Wide angle / fish-eye shot. Svalbard, Norway, September.

Andy Rouse / Polar Bear (Ursus maritimus) sleeping on ice. Svalbard, Norway, September.

Ole Jorgen Liodden / Polar Bear (Ursus maritimus) sitting on floe in vast thawing sea-ice landscape. Spitsbergen, Svalbard, August 2011. Second place, Mammals Category, GDT 2012 competion. Winner in ANIMALS IN THEIR ENVIR...

Ole Jorgen Liodden / Black-legged Kittiwake (Rissa tridactyla) in blue ice. Spitsbergen, Svalbard, July.

Ole Jorgen Liodden / Glaucous Gull (Larus hyperboreus) on blue ice. Spitsbergen, Svalbard, July.

Ole Jorgen Liodden / Blue Whale (Balaenoptera musculus) blowing with mountains in the background. Spitsbergen, Svalbard, August.

Ole Jorgen Liodden / Brunnich's Guillemot (Uria lomvia) flying between misty colony cliffs. Spitsbergen, Svalbard, August.

Ole Jorgen Liodden / Svalbard Reindeer (Rangifer tarandus) grazing in midnight sun. Spitsbergen, Svalbard, August.

Ole Jorgen Liodden / Arctic mountains and reflection in water. Nordaustlandet, Svalbard, September 2010.

Ole Jorgen Liodden / Polar Bear (Ursus maritimus) in arctic ice landscape backlit by midnight sun. Nordaustlandet, Svalbard, August.

Ole Jorgen Liodden / Boreal Jacobs-ladder (Polemonium boreale) in front dark mountains. Spitsbergen, Svalbard, July.

Ole Jorgen Liodden / White Anemone (Anemone nemorosa) with orange background. Norway, April.

Ole Jorgen Liodden / Iceberg in calm arctic seas at 80 degrees north. Svalbard, September.

Ole Jorgen Liodden / Glacier and mountain peaks. Spitsbergen, Svalbard, September.

Ole Jorgen Liodden / Detail of blue iceberg. Spitsbergen, Svalbard, August.

Ole Jorgen Liodden / Arctic Fox (Alopex lagopus) portrait. Spitsbergen, Svalbard, July.

Ole Jorgen Liodden / Polar Bear (Ursus maritimus) with blooded face looking at Glaucous Gull (Larus hyperboreus) in flight. Spitsbergen, Svalbard, July.

Ole Jorgen Liodden / Polar Bear (Ursus maritimus) looking across ice floe seascape. Nordaustlandet, Svalbard, August.

Ole Jorgen Liodden / Black-legged Kittiwake (Rissa tridactyla) taking off from water. Spitsbergen, Svalbard, August.

Ole Jorgen Liodden / Walrus (Odobenus rosmarus) with waves splashing. Spitsbergen, Svalbard, August.

Ole Jorgen Liodden / Polar Bear (Ursus maritimus) profile in silhouette. Nordaustlandet, Svalbard, August.

Ole Jorgen Liodden / Domestic Reindeer (Rangifer tarandus) running in morning light. Norway, December 2010.

Ole Jorgen Liodden / Pomarine Skua / Jaeger (Stercorarius pomarinus) in flight. Nordaustlandet, Svalbard, September.

Ole Jorgen Liodden / Blue Whale (Balaenoptera musculus) tail fluke above water surface. Spitsbergen, Svalbard, August.

Ole Jorgen Liodden / Brunnich's Guillemot (Uria lomvia) cliff colony seen through snow. Spitsbergen, Svalbard, July.

Ole Jorgen Liodden / Blue Whale (Balaenoptera musculus) blowing, with Black-legged Kittiwake (Rissa tridactyla) in the water spray. Spitsbergen, Svalbard, August. Runner up in the Birds category of GDT competition 2014.

Christophe Courteau / Panoramic landscape of Kings Karls Forland Island, National Park, Spitzbergen, Svalbard, Norway, July 2011. Digital Blend of images

Christophe Courteau / Rusty barrels at the historical site of Virgohamna where, in 1897, the hydrogen balloon 'Omen' (the Eagle) sailed northward in a failed attempt to reach the north pole with 3 Swedish ballooners led by...

Christophe Courteau / Timber washed onto the shore by the strong arctic currents. There are no trees on Spitzbergen, all the wood comes from the Siberian Coast, Poolepynten, Spitzbergen, Svalbard, Norway, July 2011

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.

Steven Kazlowski / Walrus (Odobenus rosmarus) two young bulls, in waters along Spitsbergen and the northwestern coast of the Svalbard Archipelago, Norway, Arctic Ocean, July

Steven Kazlowski / Polar bear (Ursus maritimus) curious adult investigates a remote camera along a hillside on Spitsbergen and the northwest coast of the Svalbard Archipelago, Norway, Greenland Sea, July

Steven Kazlowski / Walrus (Odobenus rosmarus) young bull underwater, along Spitsbergen and the northwest coast of the Svalbard Archipelago, Norway, Arctic Ocean, July

Loic Poidevin / Ruff (Philomachus pugnax) two rival males displaying, fighting, Varanger, Norway, June

Loic Poidevin / Ruff (Philomachus pugnax) two rival males displaying, fighting, Varanger, Norway, June

Loic Poidevin / Ruff (Philomachus pugnax) male displaying, Varanger, Norway, May

Markus Varesvuo / White-tailed Eagle (Haliaeetus albicilla) in flight with a fish it has just caught. Norway, July.

Radomir Jakubowski / Alpine / Trailing Azalea (Kalmia procumbens) growing on a scree slope. Rondane National Park, Norway, September. Winner, Fritz Polking Junior Award portfolio, GDT 2011 Competition.

Radomir Jakubowski / Mountains and a freezing lake in Rondane National Park, Norway, September 2010. Winner, Fritz Polking Junior Award portfolio, GDT 2011 Competition.

Radomir Jakubowski / Tree standing in snowy and misty landscape. Rondane National Park, Norway, September 2010. Winner, Fritz Polking Junior Award portfolio, GDT 2011 Competition.

Radomir Jakubowski / Muskox (Ovibos moschatus) closeup resting, Dovrefjell national park, Norway, September

Radomir Jakubowski / Muskoxen (Ovibos moschatus) mother protecting young, approached by male, Dovrefjell national park, Norway, September

Radomir Jakubowski / Two Muskox (Ovibos moschatus) in landscape, Dovrefjell national park, Norway, September

Radomir Jakubowski / Muskox (Ovibos moschatus) running in landscape, Dovrefjell national park, Norway, September

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

Roger Powell / Two male Ruff (Philomachus pugnax) of different colour types competitively displaying at a lek in the background. Varanger, Norway, June.

Roger Powell / Ruff (Philomachus pugnax) male showing off his ruff in a courtship display behaviour. Varanger, Norway, June.

Roger Powell / Ruff (Philomachus pugnax) male in full display. This was the dominant male at the lek. Varanger, Norway, June.

Danny Green / Little Auks (Alle alle) flying low above surface in front of iceberg. Spitsbergen, Svalbard, Norway, July 2010. Highly commended in the Birds category in the GDT competition 2011.

Markus Varesvuo / Herring Gull (Larus argentatus) flying in snow Norway, March.

Ole Jorgen Liodden / Arctic tern (Sterna paradisaea) in flight, Svalbard, Norway, July. Highly commended, BIRDS category, GDT 2011 competition. Joint runner up in Creative Visions of Nature Category, Wildlife Photographer...

Roy Mangersnes / Silhouette of White-tailed eagle (Haliaeetus albicilla) in flight with freshly caught fish, Flatanger, Norway, July. HIGHLY COMMENDED, BIRDS category, WILDLIFE PHOTOGRAPHER OF THE YEAR COMPETITION 20...

Markus Varesvuo / White-tailed Sea Eagle (Haliaeetus albicilla) being attacked by a Common Gull (Larus canus) in flight. Norway, July. Magic Moments book plate, page 50.

Markus Varesvuo / White-tailed Sea Eagle (Haliaeetus albicilla) being attacked by a Common Gull (Larus canus) in flight. Norway, July. Magic Moments book plate, page 51.

Markus Varesvuo / Razorbill (Alca torda) coming in to land. Norway, March. Magic Moments book plate, page 106-107.

Troels Jacobsen/Arcticphoto / Bull Walrus (Odobenus rosmarus) in coastal waters off Spitsbergen. Arctic Norway, June.

Andy Rouse / Polar Bear (Ursus maritimus) mother and two cubs playing around iceberg. Svalbard, Norway, Europe, February.

Andy Rouse / close up portrait of a Polar Bear (Ursus maritimus), about three year. Svalbard, Norway, Europe, February.

Andy Rouse / Polar Bear (Ursus maritimus) large male on pack ice. Svalbard, Norway, Europe, February.

Andy Rouse / Polar Bear (Ursus maritimus) mother standing on hind legs, and cub (18 months old). Svalbard, Norway, Europe, February.

Andy Rouse / Two Polar Bears (Ursus maritimus) swimming. Svalbard, Norway, Europe, February.

Andy Rouse / Two Polar Bear (Ursus maritimus) new year cubs (6 months). Svalbard, Norway, Europe, February.

Markus Varesvuo / Raven (Corvus corax) in flight, Norway, April

Orsolya Haarberg / Wind turbines for renewable energy, Masoy, Finnmark, Norway, July 2006

Orsolya Haarberg / Fallen tree in Scots pine forest, Reisa NP, Nordreisa, Troms, Norway, August 2006