Brent Stephenson / Flock of Cape petrels (Daption capense capense) in flight against the sea. Against the sun. South Shetland Islands, Antarctica, January.

Brent Stephenson / Wilson's Storm-petrel (Oceanites oceanicus) hovering whilst feeding in calm conditions. Cuverville Island, Antarctic Peninsula, Antarctica, December.

Hiroya Minakuchi / Pintado Petrel (Daption capense) flock flying, Antarctic Sound, Antarctica

Hiroya Minakuchi / Pintado Petrel (Daption capense) flock flying, Antarctic Sound, Antarctica

Konrad Wothe / Zodiac boat with tourists at Elephant Island. Raft of Cape Petrels, (Daption capense) on surface, South Shetland Islands, Antarctic Peninsula, Antarctica. February.

Konrad Wothe / Northern Giant Petrel swimming (Macronectes halli) South Georgia, Antarctic. February.

Konrad Wothe / Northern Giant Petrel (Macronectes halli) in flight South Georgia, Antarctica. February.

Mary McDonald / Giant petrel (Macronectes giganteus) portrait, Grytviken Whale Station, St. Andrew Bay, South Georgia Island, March

Brent Stephenson / Antarctic petrel (Thalassoica antarctica) in flight, showing upperwing, Drake Passage, South Atlantic, December.

Brent Stephenson / Flock of Cape Petrels (Daption capense capense) in flight against the sea. Drake Passage, South Atlantic, December.

Brent Stephenson / Antarctic Petrel (Thalassoica antarctica) in flight, showing upperwing. Drake Passage, South Atlantic, December.

Brent Stephenson / Antarctic Petrel (Thalassoica antarctica) in flight, showing upperwing. Drake Passage, South Atlantic, December.

Tui De Roy / Antarctic Petrel (Thalassoica antarctica) flock flying, Southern Ocean, eastern Antarctica

Tui De Roy / Antarctic Petrel (Thalassoica antarctica) flock flying, Southern Ocean, eastern Antarctica

Ole Jorgen Liodden / Antarctic Petrel (Thalassoica antarctica) in flight over water. Southern Ocean, Antarctica, November.

Ole Jorgen Liodden / Antarctic Petrel (Thalassoica antarctica) in flight over breaking waves. Southern Ocean, Antarctica, November.

Ole Jorgen Liodden / Southern Giant Petrel (Macronectes giganteus) covered in blood from feeding on carcass. South Georgia Islands, Southern Ocean, November.

Doug Allan / Snow Petrel (Pagodroma nivea) in flight over ice floes. Antarctic Peninsula, February. Freeze frame book plate page 129.

Charlie Summers / Southern Giant Petrel (Macronectes giganteus)nesting. Prion Island, South Georgia, January.

Frederique Olivier / Footprint of Giant Petrel (Macronectes giganteus) in sand, Macquarie Island, Southern Pacific, Australian Antarctica.

Frederique Olivier / Giant Petrel (Macronectes giganteus) in flight over land, Macquarie Island, Southern Atlantic, Australian Antarctica, June

Frederique Olivier / Giant Petrel (Macronectes giganteus) resting on pebbles on beach, Macquarie Island, Southern Atlantic, Australian Antarctica, July

Frederique Olivier / Giant Petrel (Macronectes giganteus) at nest with chick, Macquarie Island, Southern Atlantic, Australian Antarctica, November

Frederique Olivier / Giant Petrel (Macronectes giganteus) chick at nest, Macquarie Island, Southern Atlantic, Australian Antarctica, December

Frederique Olivier / Giant Petrel (Macronectes giganteus) chick at nest, Macquarie Island, Southern Atlantic, Australian Antarctica, November

Frederique Olivier / Giant Petrel (Macronectes giganteus) portrait, Macquarie Island, Southern Atlantic, Australian Antarctica, November

Frederique Olivier / Giant Petrel (Macronectes giganteus) in flight over sea, Macquarie Island, Southern Atlantic, Australian Antarctica, December

Pete Oxford / Antarctic Giant Petrel (Macronectes giganteus) feeding on Southern Elephant Seal (Mirounga leonina) bull, Sea Lion Island, Falkland Islands

Pete Oxford / Antarctic Giant Petrel (Macronectes giganteus) feeding on Southern Elephant Seal (Mirounga leonina) bull carcass and mantling to prevent competition, Sea Lion Island, Falkland Islands

Pete Oxford / Antarctic Giant Petrel (Macronectes giganteus) feeding on Southern Elephant Seal (Mirounga leonina) bull carcass and mantling to prevent competition, Sea Lion Island, Falkland Islands

Pete Oxford / Antarctic Giant Petrel (Macronectes giganteus) pair billing, Sea Lion Island, Falkland Islands

Kevin Schafer / White-chinned petrel (Procellaria aequinoctialis) in flight, South Georgia island, sub-Antarctic, Vulnerable species, December

Eric Baccega / White-chinned petrel (Procellaria acquinoctialis) flying in a ray of light, Ile de l'Est, Crozet Archipelago, Sub-antarctic, Territory of the French Southern and Antarctic Lands, December 1999

Sue Flood / Giant petrel (Macronectes giganteus) head portrait, Macquarie Island, Australian sub Antarctic islands

Tui De Roy / Pintado Petrel (Daption capense) flying in snow, Drake Passage, Antarctica

Tui De Roy / Pintado Petrel (Daption capense) flying in snow, Drake Passage, Antarctica

Tui De Roy / Pintado Petrel (Daption capense) flying, Drake Passage, Antarctica

Pete Oxford / Aerial view of nesting colony of Antartic petrel (Thalassoica antarctica) Scullin island, Antarctica.

Ingo Arndt / Antarctic Giant Petrel (Macronectes giganteus) flying, Drake Passage, Antarctica

Ingo Arndt / Pintado Petrel (Daption capense) flying, Drake Passage, Antarctica

Ingo Arndt / Antarctic Giant Petrel (Macronectes giganteus) flying, Drake Passage, Antarctica

Gabriel Rojo / Pintado / Cape petrel (Daption capense) Deception Island, Antarctic Peninsula, Antarctica, February

Gabriel Rojo / Pintado / Cape petrel (Daption capense) Deception Island, Antarctic Peninsula, Antarctica, February

Flip Nicklin / Antarctic Giant Petrel (Macronectes giganteus) flying, Falkland Islands

Colin Monteath / Snow Petrel (Pagodroma nivea) flying, east Antarctica

Mary McDonald / Snow Petrel {Pagodroma nivea} flying over the Antarctic seas.

Mary McDonald / Cape / Pintado Petrel {Daption capense} flying over Antarctic Ocean in the Falkland Islands.

Mary McDonald / Cape / Pintado Petrel {Daption capense} flying over Antarctic Ocean in the Falkland Islands.

Mary McDonald / Giant Petrel {Macronectes giganteus} flying over Antarctic seas, Falkland Islands.

Mary McDonald / Cape / Pintado Petrel {Daption capense} flying over Antarctic Ocean in the Falkland Islands.

Mary McDonald / Cape / Pintado Petrel {Daption capense} flying over Antarctic Ocean in the Falkland Islands.

Yva Momatiuk & John Eastcott / Antarctic Giant Petrel (Macronectes giganteus) defending seal carcass from other scavenging birds, St. Andrews Bay, South Georgia Island

Yva Momatiuk & John Eastcott / Antarctic Giant Petrel (Macronectes giganteus) group eating dead Southern Elephant Seal (Mirounga leonina) carcass, St. Andrews Bay, South Georgia Island

Yva Momatiuk & John Eastcott / Antarctic Giant Petrel (Macronectes giganteus) pair mating among tussock grasses during breeding period in spring, Prion Island, South Georgia Island

Yva Momatiuk & John Eastcott / Antarctic Giant Petrel (Macronectes giganteus) pair fighting on beach, Leith Harbor, South Georgia Island

Yva Momatiuk & John Eastcott / Antarctic Giant Petrel (Macronectes giganteus) with bloody head from eating carcass of Southern Elephant Seal (Mirounga leonina) pup, St. Andrews Bay, South Georgia Island

Yva Momatiuk & John Eastcott / Antarctic Giant Petrel (Macronectes giganteus) pair feeding on carcass of Southern Elephant Seal (Mirounga leonina) pup, St. Andrews Bay, South Georgia Island

Yva Momatiuk & John Eastcott / Northern Giant Petrel (Macronectes halli) flying low above ocean, Antarctic Convergence, Southern Ocean

Jan Vermeer / Snow Petrel (Pagodroma nivea) pair flying, Antarctica

Jan Vermeer / Antarctic Giant Petrel (Macronectes giganteus) landing on the snow, Antarctica

Jan Vermeer / Antarctic Giant Petrel (Macronectes giganteus) flying, Hannah Point, Antarctica

Jan Vermeer / Pintado Petrel (Daption capense) flock flying, Brown Bluff, Antarctica

Jan Vermeer / Pintado Petrel (Daption capense) flying, Drake Passage, Antarctica

Jan Vermeer / Pintado Petrel (Daption capense) landing on the water, Brown Bluff, Antarctica

Jan Vermeer / Pintado Petrel (Daption capense) landing on the water, Brown Bluff, Antarctica

Jan Vermeer / Pintado Petrel (Daption capense) chick, Cuverville Island, Antarctica

Jan Vermeer / Pintado Petrel (Daption capense) group in water foraging, Antarctica

Jan Vermeer / Pintado Petrel (Daption capense) group foraging, Antarctica

Grant Dixon / Northern Giant Petrel (Macronectes halli) on nest with Mount Cunningham in the background, South Georgia Island, Antarctica

Steven Kazlowski / Giant petrel (Macronectes giganteus) on its nest, western Antarctic Peninsula, Southern Ocean

Steven Kazlowski / Giant petrel (Macronectes giganteus) parent and chick on their nest, western Antarctic Peninsula, Southern Ocean

Steven Kazlowski / Giant petrel (Macronectes giganteus) parent and chick on their nest, western Antarctic Peninsula, Southern Ocean

Steven Kazlowski / Giant petrel (Macronectes giganteus) parent and chick on their nest, western Antarctic Peninsula, Southern Ocean

Steven Kazlowski / Giant petrel (Macronectes giganteus) parent and chick on their nest, western Antarctic Peninsula, Southern Ocean

Steven Kazlowski / Giant petrel (Macronectes giganteus) parent and chick on their nest, western Antarctic Peninsula, Southern Ocean

Steven Kazlowski / Giant petrel (Macronectes giganteus) parent and chick on their nest, western Antarctic Peninsula, Southern Ocean

Steven Kazlowski / Giant petrel (Macronectes giganteus) parent and chick on their nest, western Antarctic Peninsula, Southern Ocean

Steven Kazlowski / Giant petrel (Macronectes giganteus) parent and chick on their nest, western Antarctic Peninsula, Southern Ocean

Steven Kazlowski / Giant petrel (Macronectes giganteus) parent and chick on their nest, western Antarctic Peninsula, Southern Ocean

Steven Kazlowski / Pintado / Cape petrel (Daption capense) on its nest between rocks on the western Antarctic Peninsula, Southern Ocean

Steven Kazlowski / Giant petrel (Macronectes giganteus) parent and chick on nest. Western Antarctic Peninsula, Southern Ocean

Mike Parry / Great White Shark (Carcharodon carcharias) attacking an Antarctic Petrel (Thalassoica antarctica), Dyer Island, Cape Province, South Africa

Ingo Arndt / Antarctic Giant Petrel (Macronectes giganteus) flying, Weddell Sea, Antarctica

Patricio Robles Gil / Pintado Petrel (Daption capense) nesting amid rocks, Antarctica Peninsula, Antarctica

Hanne & Jens Eriksen / Antarctic petrel {Thalassoica antarctica} in flight over sea, Drake Passage, Antarctica

Hanne & Jens Eriksen / Cape / Pintado Petrel {Daption capense} in flight, Antarctic.

Pete Oxford / Antarctic petrel (Thalassoica antarctica) nesting pair, Scullin island, Antarctica.

Ian McCarthy / Giant petrels {Macronectes giganteus} feed on King penguin, Marion Is, sub-antarctica. (Taken on location for BBC Planet Earth Shallow Seas 2005).

Ian McCarthy / Killer whales {Orcinus orca} near flock of Giant petrels, off Marion Island, sub-antarctic

Flip de Nooyer / Antarctic Giant Petrel (Macronectes giganteus) chick sheltered under parent, Antarctica

Flip de Nooyer / Pintado Petrel (Daption capense) flock flying, South Georgia Island

Hiroya Minakuchi / Antarctic Giant Petrel (Macronectes giganteus) showing 'tubenose' structure, South Georgia Island

Konrad Wothe / Snow Petrel (Pagodroma nivea) flying over ocean, Antarctica

Flip de Nooyer / Antarctic Giant Petrel (Macronectes giganteus) close up of head, sub-Antarctica

Tui De Roy / Antarctic Petrel (Thalassoica antarctica) overlooking cliff-side nesting colony with 157,000 pairs, Scullin Monolith, Mawson Coast, east Antarctica

Tui De Roy / Antarctic Petrel (Thalassoica antarctica) flying near Enderby Island, New Zealand