Tui De Roy / Emperor penguin (Aptenodytes forsteri) chicks, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Bryan and Cherry Alexander / Emperor penguins (Aptenodytes forsteri) colony, with Snow petrel (Pagodroma nivea) flying past and dark sky. Atka Bay. Antarctica

David Tipling / Emperor Penguin (Aptenodytes forsteri) walking across the sea ice of Weddell Sea, near Snow Hill Island, Antarctica, November

David Tipling / Emperor Penguins on sea ice with Kaptan Klebnikov ice breaker in background, Snow Hill Island, Antarctica, November

David Tipling / Emperor Penguins, (Aptenodytes forsteri), Weddell Sea, Antarctica

David Tipling / Person in purple coat photographing Emperor Penguins (Aptenodytes forsteri) at the Dawson-Lambton Glacier, Weddell Sea, Antarctica. No release available.

David Tipling / Emperor Penguins, (Aptenodytes forsteri), young huddling together to form a creche to keep warm, during storm, Dawson Lambton Glacier, Weddell Sea, Antarctica

David Tipling / Emperor Penguin, (Aptenodytes forsteri) with chick, Weddell Sea, Antarctica, November

Chadden Hunter / Emperor penguins (Aptenodytes forsteri) explode out of the water, returning to breed at Cape Washington, Antarctica. Taken on location for BBC Frozen Planet series, 2009

Chadden Hunter / Emperor penguins (Aptenodytes forsteri) males dive through openings in the sea ice to take their first swim in over 4 months as they have spent the bleak winter incubating their eggs. Cape Washington,...

Fred Olivier / Young Emperor penguins (Aptenodytes forsteri) jumping off ice floes, Antarctica, February 2011.

Jeff Wilson / Emperor penguin (Aptenodytes forsteri) adults and chicks in colony beside ice cliff, Cape Crozier, Antarctica, November 2009. Taken on location for BBC series, Frozen Planet, Spring.

Jeff Wilson / Emperor penguin (Aptenodytes forsteri) two adults in colony, Cape Crozier, Antarctica, November 2009. Taken on location for BBC series, Frozen Planet, Spring.

Bryan and Cherry Alexander / Line of Emperor penguins (Aptenodytes forsteri) walking on sea ice. Flutter Rookery, East Antarctica.

Sue Flood / Emperor penguin (Aptenodytes forsteri) walking across ice, Snow Hill Island rookery, Weddell Sea, Antarctica, November

Sue Flood / Emperor penguins (Aptenodytes forsteri) one with raised flipper, Snow Hill Island rookery, Weddell Sea, Antarctica, November

Sue Flood / Emperor penguins (Aptenodytes forsteri) adults and chicks on ice, Cape Washington, Ross Sea, Antarctica, December

Doug Allan / Emperor penguins (Aptenodytes forsteri) swimming underwater, Cape Washington, Antarctic, Ross Sea, October

Doug Allan / Emperor penguins {Aptenodytes forsteri} diving, Cape Washington, Antarctica. Freeze Frame book plate page 133.

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

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

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

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

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

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

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

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

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

Doug Allan / Emperor penguins return to rookery from feeding at sea {Aptenodytes forsteri} Antarctica

Martha Holmes / Emperor penguins {Aptenodytes forsteri} jumping out of sea onto ice, Cape Washington, Antarctica

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

Martha Holmes / Emperor penguin flying out of water {Aptenodytes forsteri} Cape Washington, Antarctica

Doug Allan / Emperor penguins {Aptenodytes forsteri} returning to rookery from feeding at sea, Antarctic

Pete Oxford / Emperor penguin adults and chicks going to colony {Aptenodytes forsteri} Auster EP rookery, Antarctica

David Tipling / Emperor penguin chick creche {Aptenodytes forsteri} minus 40 C, Weddell Sea, Antarctica.

Doug Allan / 2 week old Emperor penguin chick being incubated {Aptenodytes forsteri} Antarctic

Martha Holmes / Emperor penguin flying out of water {Aptenodytes forsteri} Cape Washington, Antarctica. NOT AVAILABLE FOR NORTH AMERICAN GREETINGS CARDS UNTIL 11/01/18

Pete Oxford / Emperor Penguins colony (Aptenodytes forsteri) Antarctic

Pete Oxford / Emperor penguins, Antarctica. (Aptenodytes forsteri) Australian antarctic territory

Doug Allan / Emperor penguin leaps out of sea onto ice {Aptenodytes forsteri} Antarctica 2004

David Tipling / Emperor penguins {Aptenodytes forsteri} returning to their colony walking in a line across the sea ice, Weddell Sea, Antarctica

David Tipling / Emperor penguin chicks {Aptenodytes forsteri} huddled together for warmth, Weddell Sea, Antarctica

David Tipling / Emperor penguin chick {Aptenodytes forsteri} brooding on adults feet calling for food, Weddell Sea, Antarctica

David Tipling / Adult Emperor penguin {Aptenodytes forsteri} with chick at feet huddling for warmth, Weddell Sea, Antarctica

David Tipling / Emperor penguin {Aptenodytes forsteri} with chick at feet Weddell Sea, Antarctica

David Tipling / Pair of adult Emperor penguins {Aptenodytes forsteri} one feeding chick, Weddell Sea, Antarctica

Doug Allan / Emperor penguins diving underwater {Aptenodytes forsteri} Antarctica

Doug Allan / Two-week-old Emperor penguin chick sits on parent's feet under brood pouch for warmth {Aptenodytes forsteri} Antarctica

Doug Allan / Emperor penguin {Aptenodytes forsteri} wounded in attack by Leopard seal, Antarctica

Doug Allan / Emperor penguin males incubating eggs huddle for warmth at -40 degrees centigrade, winter, Antarctica. Green is excrement on snow. {Aptenodytes forsteri}

Doug Allan / Emperor penguin {Aptenodytes forsteri} males incubating eggs - egg is under brood patch of skin above the feet. Antarctica

Doug Allan / Emperor penguin {Aptenodytes forsteri} males huddle for warmth in minus 40 degrees centigrade while incubating eggs in winter, Antarctica Winter extreme cold survival birds seabirds nesting-behaviour

Doug Allan / Emperor penguins diving {Aptenodytes forsteri} Antarctica

Doug Allan / Emperor penguins diving {Aptenodytes forsteri} Antarctica. Emperor penguins are the bird diving champions and can acheive a depth of 500m. Humans can only descend 150m before the water pressure collap...

David Tipling / Emperor penguin colony {Aptenodytes forsteri} Weddell sea, Antarctica, Dawson-Lambton glacier

David Tipling / Emperor penguin chick (Aptenodytes forsteri). Dawson-Lambton glacier, Weddell Sea, Antarctica (November)

David Tipling / Emperor penguin pair in courtship ritual with chick (Aptenodytes forsteri). Dawson-Lambton glacier, Weddell Sea, Antarctica (November)

David Tipling / Emperor penguin pair in courtship ritual with chick (Aptenodytes forsteri). Dawson-Lambton glacier, Weddell Sea, Antarctica (November)

David Tipling / Emperor penguin pair in courtship ritual with chick (Aptenodytes forsteri). Dawson-Lambton glacier, Weddell Sea, Antarctica (November)

David Tipling / Emperor penguin chick between feet of adult (Aptenodytes forsteri). Dawson-Lambton glacier, Weddell Sea, Antarctica (November)

David Tipling / Emperor penguin chicks (Aptenodytes forsteri) in large creche, -40C and 70mph wind. Dawson-Lambton glacier, Weddell Sea, Antarctica

David Tipling / Emperor penguin chicks in creche huddling together for warmth {Aptenodytes forsteri} Weddell sea, Antarctica Dawson-Lambton glacier

Pete Oxford / Emperor penguin and chick, Australian Antarctic Territory, Antarctica.

Pete Oxford / Emperor penguins walking. Australian Antarctic Territory, Antarctica

Pete Oxford / Emperor penguin portrait, Antarctica

Pete Oxford / Emperor penguins toboganning, Cape Darnley, Antarctica

Pete Oxford / Emperor penguin chick, Antarctica

Pete Oxford / Emperor penguin {Aptenodytes forsteri} colony Atka Bay, Antarctica Weddell Sea

Pete Oxford / Emperor penguin walking over ice at sunset, Australian Antarctic Territory, Auster rookery

Pete Oxford / Emperor penguin colony chicks and adults, Australian Antarctic territory

Pete Oxford / Emperor Penguin (Aptenodytes forsteri) parents with chick. Weddell Sea, Antarctica.

Pete Oxford / Emperor Penguins walking in a row, Antarctica.

Pete Oxford / Emperor penguin chick sleeping, Atka Bay, Antarctica

Pete Oxford / Emperor penguins with chick (Aptenodytes forsteri). Atka Bay, Weddell Sea, Antarctica

Pal Hermansen / Emperor penguins (Aptenodytes forsteri) about to jump into sea, Antarctica.

Tui De Roy / South polar skua (Stercorarius maccormicki) pair calling over dead Emperor penguin (Aptenodytes forsteri) chick, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri), Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri), Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri), Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) adult and chick, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) adult and chick, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) adult and chick, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) chick portrait, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) tobogganing, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) colony, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri), Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri), Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) tobogganing, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) portrait, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) close up, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) feathers close up, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) colony, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) colony, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) colony, Amanda Bay, Prydz Bay, Ingrid Christensen Coast, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) colony staining sea ice, Prydz Bay, East Antarctica, November.

Tui De Roy / Emperor penguin (Aptenodytes forsteri) colony staining sea ice, Prydz Bay, East Antarctica, November.