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An emperor penguin huddle

An emperor penguin huddle in Antarctica.

By huddling together, emperor penguins use less energy and conserve their fat stores. They constantly gently change position from the outside to the inside, so no penguin is exposed to the bitter outer edge conditions for too long.

Rights: Robyn Mundy, courtesy of the Australian Antarctic Division.
Published:11 June 2012Size: 157.38 KB