TJ Rich / Gentoo penguins on iceberg (Pygoscelis papua) Antarctic Peninsula

Roy Mangersnes / Two Gentoo Penguins (Pygoscelis papua) on deep snow, Cuverville Island, Antarctica. November.

Steven Kazlowski / Gentoo penguins (Pygoscelis Papua) sliding down glacial ice on the western Antarctic Peninsula, Southern Ocean

Steven Kazlowski / Gentoo penguin (Pygoscelis Papua) jumping off an iceberg, western Antarctic Peninsula, Southern Ocean

David Tipling / Gentoo penguin (Pygoscelis papua) flapping wings on rock, Brown Bluff, Antarctica

Edwin Giesbers / Gentoo Penguin {Pygoscelis papua} preening, Antarctica

Bryan and Cherry Alexander / Gentoo penguin (Pygoscelis papua) seen from underneath, using feet as rudders. Living Coasts, Torquay, England, UK.

David Tipling / Gentoo Penguins {Pygoscelis papua} Gold Harbour, South Georgia, November

Andy Rouse / Gentoo penguin (Pygoscelis papua) surfing, about to jump out of the sea, Falkland Islands

Andy Rouse / Gentoo penguins (Pygoscelis papua) emerging from the sea, coming ashore, Falkland Islands

Pete Oxford / Emperor penguin feeding chick. (Aptenodytes forsteri) Australian Antarctic territory

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