Jordi Chias / Gentoo penguins (Pygoscelis papua) swimming together in search of krill, Antarctic Peninsula, Antarctica.

Jordi Chias / Gentoo penguins (Pygoscelis papua) porpoising, swimming together in search of krill, Antarctic Peninsula, Antarctica.

Jordi Chias / Gentoo penguin (Pygoscelis papua) feeding chick, Antarctic Peninsula, Antarctica.

Jordi Chias / Gentoo penguin (Pygoscelis papua) feeding chick, Antarctic Peninsula, Antarctica.

Jordi Chias / Leopard seal (Hydrurga leptonyx) predating a Gentoo penguin (Pygoscelis papua) Antarctic Peninsula, Antarctica.

Jordi Chias / Gentoo penguin (Pygoscelis papua) drinking water from melting ice, Antarctic Peninsula, Antarctica.

Jordi Chias / Gentoo penguins (Pygoscelis papua) walking in line, returning to nesting area, Port Charcot, Antarctic Peninsula, Antarctica.

Jordi Chias / Gentoo penguins (Pygoscelis papua) walking in line, returning to nesting area, Port Charcot, Antarctic Peninsula, Antarctica.

Jordi Chias / Gentoo penguins (Pygoscelis papua) walking in line, returning to nesting area, Port Charcot, Antarctic Peninsula, Antarctica.

Jordi Chias / Gentoo penguin (Pygoscelis papua) with chick, Port Charcot, Antarctic Peninsula, Antarctica.Antarctic Peninsula, Antarctica.

Inaki Relanzon / Gentoo penguins (Pygoscelis papua) on the beach at sunset, Sea Lion Island, Falkland Islands.

Klein & Hubert / Gentoo penguin (Pygoscelis papua) with chick on nest, Falkland Islands

Klein & Hubert / Gentoo penguins (Pygoscelis papua) group of three walking along the shore, Falkland Islands

Peter Bassett / Pair of Gentoo penguins (Pygoscelis papua) courting and attempting to mate, Neko Harbour, Andvord Bay, Graham Land, Antarctica.

Klein & Hubert / Gentoo penguin (Pygoscelis papua) waling across snow, Antarctica.

Jordi Chias / Atolla jellyfish (Atolla wyvillei) with Gentoo penguin (Pygoscelis papua) in the background near the surface. Antarctic Peninsula. Finalist in the Underwater category of the Wildlife Photographer of t...

Ole Jorgen Liodden / Gentoo penguin (Pygoscelis papua) alone on blue ice, Antarctica, March.

Andy Rouse / Gentoo penguin (Pygoscelis papua) in sandstorm on beach, Saunders Island, Falkland Islands.

Andy Rouse / Gentoo penguin (Pygoscelis papua) walking on beach, Saunders Island, Falkland Islands.

Andy Rouse / Gentoo penguin (Pygoscelis papua) jumping onto beach, Carcass Island, Falkland Islands.

Michael Pitts / Gentoo penguins (Pygoscelis papua) calling and defending their eggs from Southern Skua (Stercorarius antarcticus) hunting for unattended eggs or chicks, Sea Lion island, The Falklands, South Atlantic.

Chris & Monique Fallows / Gentoo penguins (Pygoscelis papua) diving into the ocean, Antarctic peninsula, Antarctica.

Enrique Lopez-Tapia,Enrique Lopez-Tapia / Gentoo penguin (Pygoscelis papua) and Antarctic cruise liner 'MV Ushuaia' in Neko Harbour, Andvord Bay. Antarctic Peninsula, Antarctica

Enrique Lopez-Tapia / Gentoo penguins (Pygoscelis papua) calling, Cuverville Island. Antarctic Peninsula, Antarctica

Ben Cranke,Ben Cranke / Leopard seal (Hydrurga leptonyx) hunting Gentoo Penguin (Pygoscelis papua) into shore, Cuverville Island, Antarctic Peninsula, Antarctica

Ben Cranke / Leopard seal (Hydrurga leptonyx) chasing Gentoo Penguin (Pygoscelis papua) into shore, Cuverville Island, Antarctic Peninsula, Antarctica

Ben Cranke,Ben Cranke / Gentoo Penguin (Pygoscelis papua) jumping out of the sea, Cuverville Island, Antarctic Peninsula, Antarctica. Highly commended in the Single Species Portfolio of the Terre Sauvage Nature Images Awards...

Ben Cranke / Gentoo Penguin (Pygoscelis papua) jumping onto shore, Cuverville Island, Antarctic Peninsula, Antacrtica

Ben Cranke,Ben Cranke / Gentoo Penguin (Pygoscelis papua) coming in from the sea, Cuverville Island, Antarctic Peninsula, Antarctica

Ben Cranke / Gentoo Penguins (Pygoscelis papua) jumping across rocky shore, Cuverville Island, Antarctic Peninsula, Antarctica

Ben Cranke,Ben Cranke / Gentoo Penguin (Pygoscelis papua) group travelling out to sea, Cuverville Island, Antarctic Peninsula, Antarctica

Ben Cranke,Ben Cranke / Gentoo Penguin (Pygoscelis papua) nest amongst the buildings at Port Lockroy, Wiencke Island, Antarctic Peninsula, Antarctica

Ben Cranke,Ben Cranke / Gentoo Penguin (Pygoscelis papua) penguins rest on a floating iceberg, Antarctic Peninsula, Antarctica

Ben Cranke / Gentoo Penguin (Pygoscelis papua) nesting, Petermann Island, Antarctic Peninsula, Antarctica

David Tipling / Gentoo Penguins (Pygoscelis papua) group walking, Sea Lion Island, Falklands, November

David Tipling / Gentoo Penguins (Pygoscelis papua) about to enter the sea, Brown Bluff Antarctic Peninsula, Antarctica, November

Jeff Vanuga / Gentoo Penguin (Pygoscelis papua) mating. Cuverville Island, Antarctica.

Ole Jorgen Liodden / Gentoo Penguin (Pygoscelis papua) chick in nesting area, Macquarie Island, Australia. November.

Mark Carwardine / Three Gentoo Penguins (Pygoscelis papua) standing at the edge of sea ice. Antarctic Peninsula, January. Book plate from Mark Carwardine's Ultimate Wildlife Experiences.

Ingo Arndt / Gentoo Penguin (Pygoscelis papua) preening, Prion Island, South Georgia Island, February

Ingo Arndt / Gentoo Penguin (Pygoscelis papua) sleeping on beach, Volunteer Point, Falkland Islands, March

Brent Stephenson / Gentoo Penguin (Pygoscelis papua) with two large chicks. The chicks are begging to be fed by the adult. Petermann Island, Antarctic Peninsula, Antarctica, January.

Brent Stephenson / Gentoo Penguins (Pygoscelis papua) porpoising on the way back to the breeding colony. Port Lockroy, Antarctic Peninsula, Antarctica, January.

Mike Read / Gentoo penguin (Pygoscelis papua) standing on a sandy beach, Falkland Islands

Troels Jacobsen/Arcticphoto / A Leopard Seal (Hydrurga leptonyx) grabs a Gentoo Penguin (Pygoscelis papua) from underwater. Antarctica. Sequence Three of six.

Charlie Summers / Gentoo Penguin (Pygoscelis papua) raft in the face of a wave close to shore. Falkland Islands, December

Charlie Summers / Gentoo Penguin (Pygoscelis papua) diving off iceberg and into waters of Pleneau Bay, Antarctica, November

Bryan and Cherry Alexander / Gentoo penguin (Pygoscelis papua) standing on volcanic beach at Whalers Bay, with tourists in kayak beyond. Deception Island, South Shetland Islands, Antarctica, 2009.