The Adélie penguin (Pygoscelis adeliae) is a species of penguin common along the entire Antarctic coast, which is their only residence. They are named after the French Antarctic territory of Adélie Land, which is in turn named for Adèle Dumont d'Urville. She was the wife of French explorer Jules Dumont d'Urville, who discovered these penguins in 1840. Adélie penguins are the most widely spread of the penguin species, and obtain their food by both predation and foraging. Their diet is mainly krill and fish.Photograph: Jason Auch
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