GREG DIMIJIAN / SCIENCE PHOTO LIBRARY GREG DIMIJIAN / SCIENCE PHOTO LIBRARY
Emperor Penguin chick, Aptenodytes forsteri, on fast ice adjacent to Snow Hill Island in the Weddell Sea, Antarctica, October, 2007. The chick, now off of its parent's feet, is 50-90 days of age, and is sleeping briefly at its parent's side.
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