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,...

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

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

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

Konrad Wothe / California Sea Lion (Zalophus californianus) at Cape Alava, Olympic National Park, Washington

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

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

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

Martha Holmes / BBC field camp at Cape Washington Antarctica (for filming Blue Planet)

Sue Flood / Wide angle shot of bow of Russian icebreaker Kapitan Khlebnikov in sea ice, Cape Washington, Ross Sea, Antarctica.

Sue Flood / Emperor penguins (Aptenodytes forsteri) on sea ice in front of Russian icebreaker Kapitan Khlebnikov, Cape Washington, Ross Sea, Antarctica.