Frederique Olivier / Emperor penguin (Aptenodytes forsteri) chick begging for food from parent, Adelie Land, Antarctica, January.

Frederique Olivier / Close-up of a group of Emperor penguin (Aptenodytes forsteri) chicks huddled together in a blizzard, covered in snow, Adelie Land, Antarctica, January.

Frederique Olivier / Group of Adelie penguins (Pygoscelis adeliae) diving from the edge of the sea ice, Antarctica.

Frederique Olivier / Group of Adelie penguins (Pygoscelis adeliae) walking away from the camera on sea ice at sunset, with one solitary penguin in the foreground, Antarctica.

Frederique Olivier / Group of Adelie penguins (Pygoscelis adeliae) running and gathered on sea ice, Antarctica.

Frederique Olivier / Adelie penguin (Pygoscelis adeliae) colony, with icebergs and pack ice in the background, Antarctica.

Frederique Olivier / Juvenile Weddell seal (Leptonychotes weddellii) scratching, Adelie Land, Antarctica, January.

Frederique Olivier / Juvenile Weddell seal (Leptonychotes weddellii) scratching, Adelie Land, Antarctica, January.

Frederique Olivier / Close-up of a juvenile Weddell seal (Leptonychotes weddellii) yawning, Adelie Land, Antarctica, January.

Frederique Olivier / Snow petrel (Pagodroma nivea) feeding, skimming the surface of a tide crack lake, Adelie Land, Antarctica, January.

Frederique Olivier / Snow petrel (Pagodroma nivea) feeding from the water surface of a tide crack lake, Adelie Land, Antarctica, January.

Frederique Olivier / Snow petrel (Pagodroma nivea) flying at sunset, Adelie Land, Antarctica, January.