Frederique Olivier / Adelie penguin (Pygoscelis adeliae) colony, with icebergs and pack ice in the background, Antarctica.
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Frederique Olivier / Adelie penguin (Pygoscelis adeliae) regurgitating food for its chick, Antarctica.
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Frederique Olivier / Hungry Adelie penguin (Pygoscelis adeliae) chick pecking at a rock before tucking into its parent to keep warm, with a dead chick in the foreground, Antarctica
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Frederique Olivier / Close-up of an Adelie penguin (Pygoscelis adeliae) with a chick begging for food and a dead chick nearby, Antarctica.
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Frederique Olivier / Adelie penguin (Pygoscelis adeliae) displaying in the middle of a colony, Antarctica.
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Frederique Olivier / Adelie penguin (Pygoscelis adeliae) lying down to incubate an egg, Antarctica.
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Frederique Olivier / Portrait of an Adelie penguin (Pygoscelis adeliae) chick, Antarctica.
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Frederique Olivier / Adelie penguins (Pygoscelis adeliae) diving, seen from underwater, Antarctica.
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Charlie Summers / Adelie Penguin (Pygoscelis adeliae) carrying stolen rock from another nest in rookery, Peterman Island, Antarctica, November.
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Frederique Olivier / Adelie penguins (Pygoscelis adeliae) in front of French Icebreaker L'Astrolabe, on edge of the fast ice off Dumont D'Urville station, Antarctica. December 2014.
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Tui De Roy / Adelie penguin (Pygoscelis adeliae) courtship behaviour. Prydz Bay, near Davis Station, Vestfold Hills, Ingrid Christensen Coast, East Antarctica, November.
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Frederique Olivier / Adelie penguins (Pygoscelis adeliae) travelling to the ice edge to feed, Antarctica.
