Bryan and Cherry Alexander / Tourist photographing a group of Emperor penguins (Aptenodytes forsteri). Snow Hill Island, Antarctica, October.
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Bryan and Cherry Alexander / Tabular iceberg reflected at sunset in Erebus and Terror Gulf. Weddell Sea, Antarctica, October 2006.
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Bryan and Cherry Alexander / Textured tabular iceberg reflecting in the Weddell Sea at sunset. Antarctica, October 2006.
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Bryan and Cherry Alexander / Iceberg and grease ice reflecting in the Weddell Sea at sunset. Antarctica, October 2006.
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Bryan and Cherry Alexander / Iceberg and grease ice reflecting in the Weddell Sea at sunset. Antarctica, October 2006.
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Bryan and Cherry Alexander / Icebergs in the Weddell Sea at sunset. Antarctica, October 2006.
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Bryan and Cherry Alexander / Woman using the field toilet at Mount Vinson Base Camp. Vinson Massif, Antarctica, January 2006.
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Troels Jacobsen/Arcticphoto / A group of Rockhopper Penguins (Eudyptes chrysocome). The world population of Northern Rockhopper has declined by 90% in the past 60 years. Quest Bay, Gough Island. UNESCO World Heritage site, March.
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Peter Scoones / Male Antarctic fur seal portrait {Arctocephalus gazella} Antarctica
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Peter Scoones / Rough seas, Antarctic Stormy
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Roberto Rinaldi / Adelie penguins (Pygoscelis adeliae) on a weathered iceberg, Antarctic Peninsula.