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Emperor penguins (Aptenodytes forsteri) on an ice floe in McMurdo Sound, Antarctica

File: D5E5989.jpg

Title: Emperor penguins (Aptenodytes forsteri) on an ice floe in McMurdo Sound, Antarctica

Emperor penguins (Aptenodytes forsteri) on an ice floe in McMurdo Sound, Antarctica

Credit: Gerhard Hüdepohl / atacamaphoto