Stefan Christmann / Emperor penguin (Aptenodytes forsteri) breeding colony, males huddling on sea ice during polar night, incubating eggs, ice shelf in background. Atka Bay, Antarctica. July 2017.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri) colony, males huddling whilst incubating eggs. Atka Bay, Antarctica. July.
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Stefan Christmann / Member of BBC Dynasties crew photographing on sea ice in light of full moon, during polar night. Atka Bay, Antarctica. July 2017.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri), four journeying across sea ice to feed young. Atka Bay, Antarctica. August.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri) breeding colony on sea ice, ice shelf in background. Atka Bay, Antarctica. August.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri), breeding colony with individuals in foreground walking to / from open water. Atka Bay, Antarctica. September 2017.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri) group clambering up slope during journey to bring back food for young. Atka Bay, Antarctica. September.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri) group in procession across ice shelf to provide food for young. Atka Bay, Antarctica. September 2017.
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Frederique Olivier / Adelie penguins (Pygoscelis adeliae) diving, seen from underwater, Antarctica.
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Pete Oxford / Head-hunted human skulls, collected by the Konyak Naga tribe, North East India, October 2014.
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Juan Carlos Munoz / Cheese maturing on shelves in traditional dairy, Triglav National Park, Slovenia, October 2014.
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Juan Carlos Munoz / Cheesemaker holding a hard cheese, with equipment in the background. Triglav National Park, Slovenia, October 2014.
