Peter Bassett / Wandering albatross (Diomedea exulans) chick stretching its wings, Prion Island, South Georgia.

Peter Bassett / King penguins (Aptenodytes patagonicus) wading through mud and falling over, Prion Island, South Georgia.

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

Jeff Foott / Wandering Albatross (Diomedea exulans) in flight. Prion Island, South Georgia.

Jeff Foott / Wandering Albatross (Diomedea exulans) on nest. Prion Island, South Georgia.

Jeff Vanuga / Gentoo penguin (Pygoscelis papua) on nest copulating Prion Island, South Georgia Island, Antarctica.

Tony Heald / Wandering albatross (Diomedea exulans), chick exercising wings on nest. Prion Island, South Georgia, October.

Tony Heald / Wandering albatross (Diomedea exulans), chick exercising wings on nest. Prion Island, Bay of Isles, South Georgia. October.

Ashley Cooper / Southern elephant seal (Mirounga leonina) females resting on beach, one with severe injury probably inflicted by male, Prion Island, South Georgia, Antarctica. February 2014

Ashley Cooper / Antarctic fur seal (Arctocephalus gazella) female in threat display, Prion Island, South Georgia, Antarctica. February.

Ashley Cooper / Snowy sheathbill (Chionis albus) in a King Penguin colony at Gold Harbour, South Georgia. February.

Ashley Cooper / King penguins (Aptenodytes patagonicus) with passengers from an expedition cruise. Salisbury Plain, South Georgia. February 2014.

Ashley Cooper / King penguin (Aptenodytes patagonicus) with passenger from an expedition cruise. Salisbury Plain, South Georgia. February 2014.

Ashley Cooper / King penguins (Aptenodytes patagonicus), with passengers from an expedition cruise. Salisbury Plain, South Georgia Islands.

Ashley Cooper / King penguins (Aptenodytes patagonicus), with passengers from an expedition cruise. Salisbury Plain, South Georgia Islands.

Ashley Cooper / 1592217 - - King penguins (Aptenodytes patagonicus) with passengers from an expedition cruise. Salisbury Plain, South Georgia. February 2014.

Ashley Cooper / Brown skua (Stercorarius antarcticus) on the beach on Prion Island, South Georgia, Southern Ocean.

Ashley Cooper / Wildlife photographer taking pictures of Antarctic Fur Seal (Arctocephalus gazella) female on Prion Island, South Georgia, Southern Ocean.

Ashley Cooper / A female Antarctic Fur Seal (Arctocephalus gazella) on Prion Island, South Georgia, Southern Ocean, with a sign requesting visitors to remain on the boardwalk.

Ashley Cooper / King penguin (Aptenodytes patagonicus) , with passenger from an expedition cruise, Salisbury Plain, South Georgia, Antarctica, February 2014.

Ashley Cooper / Gentoo penguin (Pygoscelis papua) with huge wound, probably from Leopard seal (Hydrurga leptonyx) attack, Hannah Point, Livingstone Island, South Shetland Islands, Antarctica.

Ashley Cooper / Gentoo penguin (Pygoscelis papua) moulting at Hannah Point, Livingston Island, South Shetland Islands, Antarctica. Their guano is normally pink from the krill that they eat, the yellow and green guan...

Ashley Cooper / Gentoo penguin (Pygoscelis papua) with huge gash, probably from Leopard seal (Hydrurga leptonyx) attack, Hannah Point, Livingstone Island, South Shetland Islands, Antarctica.

Mike Potts / Antarctic fur seal (Arctocephalus gazella) pups on Prion Island. South Georgia. January.

Rick Price / Antarctic fur seal (Arctocephalus gazella) with tourists in the background looking at another seal, Bay of Isles, Prion Island, South Georgia. January.

David Tipling / Antarctic prion (Pachyptila desolata) in flight over Southern Ocean off South Georgia, January

Peter Bassett / Wandering albatross (Diomedea exulans) chick preening, Prion Island, South Georgia.

Peter Bassett / Close up of a Wandering albatross (Diomedea exulans) chick preening, Prion Island, South Georgia.

Peter Bassett / Close up portrait of a Wandering albatross (Diomedea exulans) chick, Prion Island, South Georgia, November.

Peter Bassett / Wide angle shot of a King penguin (Aptenodytes patagonicus) colony, Prion Island, South Georgia.

Peter Bassett / Wide angle shot of a King penguin (Aptenodytes patagonicus) colony, Prion Island, South Georgia.

Peter Bassett / Tracking shot of a King penguin (Aptenodytes patagonicus) walking through a colony, Prion Island, South Georgia.

Peter Bassett / Wide angle shot of a King penguin (Aptenodytes patagonicus) colony with mountains in the background, Prion Island, South Georgia.

Peter Bassett / Wide angle shot of a King penguin (Aptenodytes patagonicus) colony, Prion Island, South Georgia.

Peter Bassett / Panning shot of a King penguin (Aptenodytes patagonicus) colony with mountains in the background, Prion Island, South Georgia.

Peter Bassett / Close up of a group of moulting King penguins (Aptenodytes patagonicus) in a colony, Prion Island, South Georgia.

Peter Bassett / Wide angle shot of a King penguin (Aptenodytes patagonicus) colony with mountains in the background, Prion Island, South Georgia.

Peter Bassett / Antarctic fur seal (Arctocephalus gazella) resting on a beach with King penguins (Aptenodytes patagonicus) in the background, Prion Island, South Georgia.

Peter Bassett / Antarctic fur seal (Arctocephalus gazella) resting on a beach with King penguins (Aptenodytes patagonicus) in the background, Prion Island, South Georgia.

Peter Bassett / Wide shot of an Antarctic fur seal (Arctocephalus gazella) in a King penguin (Aptenodytes patagonicus) colony, Prion Island, South Georgia.

Peter Bassett / King penguin (Aptenodytes patagonicus) colony on a beach, Prion Island, South Georgia.

Peter Bassett / King penguin (Aptenodytes patagonicus) colony on a beach, Prion Island, South Georgia.

Peter Bassett / King penguin (Aptenodytes patagonicus) colony on a beach, Prion Island, South Georgia.

Peter Bassett / Panning shot of a group of King penguins (Aptenodytes patagonicus) entering the sea from their colony on a beach, Prion Island, South Georgia.

Peter Bassett / View of a King penguin (Aptenodytes patagonicus) colony with mountains in the background, Prion Island, South Georgia.

Peter Bassett / King penguins (Aptenodytes patagonicus) preening in a breeding colony, Prion Island, South Georgia.

Peter Bassett / King penguins (Aptenodytes patagonicus) preening in a breeding colony, Prion Island, South Georgia.

Peter Bassett / Close up of a King penguin (Aptenodytes patagonicus) in a breeding colony, Prion Island, South Georgia.