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WS View of two people on skis pulling pack sleds across South Pole ice US with Antarctic Program Base / South Pole, Antarctica
WS View of two people on skis pulling pack sleds across South Pole ice US with Antarctic Program Base / South Pole, Antarctica
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MS Gentoo Penguin, Pygoscelis papua, waddling around on rocky ground amongst nests and colony, Antarctica
MS Gentoo Penguin, Pygoscelis papua, waddling around on rocky ground amongst nests and colony, Antarctica
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CU maturing Adelie Penguin, Pygoscelis adeliae, with some downy feathers around neck, Antarctica
CU maturing Adelie Penguin, Pygoscelis adeliae, with some downy feathers around neck, Antarctica
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WS Side View of two people on skis pulling sleds across snowy landscape with mountains / Union Glacier, Heritage Range, Ellsworth Mountains, Antarctica
WS Side View of two people on skis pulling sleds across snowy landscape with mountains / Union Glacier, Heritage Range, Ellsworth Mountains, Antarctica
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MS of Blizzard snowy windswept terrain / Union Glacier, Heritage Range, Ellsworth Mountains, Antarctica
MS of Blizzard snowy windswept terrain / Union Glacier, Heritage Range, Ellsworth Mountains, Antarctica
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WA across sea, ice floes in distance, pod of penguins leaping out of water in foreground, Antarctica
WA across sea, ice floes in distance, pod of penguins leaping out of water in foreground, Antarctica
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MS young Royal Penguin, Eudyptes schlegeli, waddling around, Antarctica
MS young Royal Penguin, Eudyptes schlegeli, waddling around, Antarctica
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WA snowflakes blowing about above sea, Antarctica
WA snowflakes blowing about above sea, Antarctica
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MS Adelie Penguins, Pygoscelis adeliae, on rocky ground, Antarctica
MS Adelie Penguins, Pygoscelis adeliae, on rocky ground, Antarctica
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MS Gentoo Penguin, Pygoscelis papua, diving under surface of water, Antarctica
MS Gentoo Penguin, Pygoscelis papua, diving under surface of water, Antarctica
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MS Emperor Penguins, Aptenodytes forsteri, some with downy feathers still attached in parts, wander in a group across ice, Antarctica
MS Emperor Penguins, Aptenodytes forsteri, some with downy feathers still attached in parts, wander in a group across ice, Antarctica
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CU Imperial Shag, Phalacrocorax atriceps, parent and chick cleaning each other, Antarctica
CU Imperial Shag, Phalacrocorax atriceps, parent and chick cleaning each other, Antarctica
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WA Royal Penguin, Eudyptes schlegeli, waddling down track, Antarctica
WA Royal Penguin, Eudyptes schlegeli, waddling down track, Antarctica
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CU Weddell Seal, Leptonychotes weddellii, poking head out of water, Antarctica
CU Weddell Seal, Leptonychotes weddellii, poking head out of water, Antarctica
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MS of tent in snow with skis and pack sled / South Pole, Antarctica
MS of tent in snow with skis and pack sled / South Pole, Antarctica
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Aerial view over water toward cracked ice sheets, Antarctica
Aerial view over water toward cracked ice sheets, Antarctica
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CU Royal Penguin, Eudyptes schlegeli, feeding young, Antarctica
CU Royal Penguin, Eudyptes schlegeli, feeding young, Antarctica
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WA aerial view of pod of killer whales surfacing and diving, Antarctica
WA aerial view of pod of killer whales surfacing and diving, Antarctica
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MS Gentoo Penguin, Pygoscelis papua, entering water and swimming away, Antarctica
MS Gentoo Penguin, Pygoscelis papua, entering water and swimming away, Antarctica
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CU Emperor penguins lying down on ice during blizzard, Antarctica
CU Emperor penguins lying down on ice during blizzard, Antarctica
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MS of propellers on twin otter plane starting up / Union Glacier, Heritage Range, Ellsworth Mountains, Antarctica
MS of propellers on twin otter plane starting up / Union Glacier, Heritage Range, Ellsworth Mountains, Antarctica
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MS Royal Penguin, Eudyptes schlegeli, floating in sea, splashing around in waves, Antarctica
MS Royal Penguin, Eudyptes schlegeli, floating in sea, splashing around in waves, Antarctica
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WA Royal Penguin, Eudyptes schlegeli, waddling down track, Antarctica
WA Royal Penguin, Eudyptes schlegeli, waddling down track, Antarctica
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MS young King Penguins, Aptenodytes patagonicus, preening themselves, Antarctica
MS young King Penguins, Aptenodytes patagonicus, preening themselves, Antarctica