Pal Hermansen / One-year ice off Ellesmere island, Nunavut, Canada, August.
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Eric Baccega / Young Inuit boy jumping over a crack on ice floe, Ellesmere Island, Nanavut, Canada, June 2012. Model released.
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Jeff Wilson / Adult Arctic wolf (Canis lupus) Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer
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Jeff Wilson / Arctic wolf (Canis lupus) on tundra, Ellesmere Island, Nunavut, Canada, June 2008. Taken on location for BBC series, Frozen Planet, Summer
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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
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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
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Bryan and Cherry Alexander / Melting ice floe floating in front of iceberg off the coast of Ellesmere Island, Nunavut, Canada.
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Bryan and Cherry Alexander / Dramatically eroded cliffs reflected in the waters of Hall Basin. Ellesmere Island, Nunavut, Canada.
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Bryan and Cherry Alexander / Inuit hunter jumping from one ice floe to another. Ellesmere Island, Nunavut, Canada, 1994.
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NEIL NIGHTINGALE / Producer Neil Nightingale and film crew filming David Attenborough on Ellesmere Island, Canada, presenter of BBC 'Private Life of Plants', 1994
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Staffan Widstrand / Arctic fox portrait {Alopex lagopus} Ellesmere Island, Canada.
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Staffan Widstrand / Lake ice, 4metres deep. Ellesmere Island, Canada. NOT AVAILABLE FOR ADVERTISING