Tim Laman / Adelie penguins (Pygoscelis adeliae) on iceberg, Antarctica, January

Frederique Olivier / Emperor penguin {Aptenodytes forsteri} tending chick in brood chamber on feet, Antarctica

Frederique Olivier / Emperor penguin {Aptenodytes forsteri} one adult with hewly hatched chick, another with hatching egg, Antarctica

Frederique Olivier / Emperor penguin {Aptenodytes forsteri} chicks huddled together for warmth during snow storm, Antarctica

Frederique Olivier / Emperor penguin {Aptenodytes forsteri} chick emerging from brood chamber on adult's feet, Antarctica

Frederique Olivier / Emperor penguin {Aptenodytes forsteri} pair with chick, Antarctica

Frederique Olivier / Emperor penguin {Aptenodytes forsteri} male watching as its egg begins to hatch in brood chamber on feet, Antarctica

Frederique Olivier / Emperor penguins {Aptenodytes forsteri} colony with males incubating eggs and one male turning egg, Antarctica

Frederique Olivier / Colonoy of adult Emperor penguins {Aptenodytes forsteri} Antarctica

Frederique Olivier / Emperor penguins {Aptenodytes forsteri} two adults with chicks emerging from brood chamber on their feet, Antarctica

Frederique Olivier / Emperor penguin {Aptenodytes forsteri} beside ice formation, Antarctica

Steven Kazlowski / Adelie penguin (Pygoscelis Adeliae) in falling snow on the western Antarctic Peninsula, Southern Ocean