Stefan Christmann / Emperor penguin (Aptenodytes forsteri) chicks aged 20-24 weeks stretching wings, in moult whilst parents fish at sea. Atka Bay, Antarctica. January.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri), four chicks in moult aged 20-24 weeks, parents away fishing in open water. Atka Bay, Antarctica. January.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri) chick aged six to eight weeks sheltering on parent's feet, portrait. Atka Bay, Antarctica. September.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri), two adults with chicks aged six to eight weeks. Atka Bay, Antarctica. September.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri) chick aged six to eight weeks stretching whilst on brooding parent's feet. Adult looking down at chick. Atka Bay, Antarctica. September.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri), two chicks aged six to eight weeks brooding on parents' feet. Atka Bay, Antarctica. September.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri), two chicks aged six to eight weeks brooding on parents' feet, one vocalising. Atka Bay, Antarctica. September.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri) chick aged six to eight weeks near adult's feet. Atka Bay, Antarctica. September.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri) chick aged six to eight weeks, portrait. Atka Bay, Antarctica. September.
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri), two chicks aged six to eight weeks huddling together. Atka Bay, Antarctica. September.
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Fiona Rogers / Eastern chimpanzee (Pan troglodytes schweinfurtheii) juvenile female 'Fadhila' aged 5 years and her brother 'Fifty' aged 3 years playing together.Gombe National Park, Tanzania.
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Fiona Rogers / Eastern chimpanzee (Pan troglodytes schweinfurtheii) infant male 'Fifty' aged 3 years portrait.Gombe National Park, Tanzania.
