The whale catcher ship Petrel on display at the abandoned and recently restored whaling station at Grytviken, South Georgia, UK Overseas Protectorate

Juvenile magnificent frigatebird (Fregata magnificens) attacking an Elliot's storm petrel (Oceanites gracilis galapagoensis), Punta Pitt, San Cristobal Island, Galapagos Islands, Ecuador, South America

Adult northern giant petrel, Macronectes halli, on nest in tussock grass at Elsehul, South Georgia Island, Atlantic Ocean

Northern giant petrel (Macronectes halli) posturing over dead fur seal carcass, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

Research Station, Dumont d'Urville, Ile des Petrels, Antarctica, Polar Regions

Northern giant petrel (Macronectes halli) posturing over dead fur seal carcass, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

Adult northern giant petrels (Macronectes halli) fighting over a dead seal pup in Elsehul Bay, South Georgia, South Atlantic Ocean, Polar Regions

Northern giant petrel (Macronectes halli) fighting over dead fur seal carcass, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

Adult cape (pintado) petrel (Daption capense) in flight, Drake Passage, Antarctica, Southern Ocean, Polar Regions

Northern giant petrel (Macronectes halli) feeding on dead fur seal carcass, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

Adult white-chinned petrel (Procellaria aequinoctialis), off Kaikoura, South Island, New Zealand, Pacific

Adult Antarctic petrel (Thalassoica antarctica) in flight, Drake Passage, Antarctica, Southern Ocean, Polar Regions

Juvenile magnificent frigatebird (Fregata magnificens) attacking an Elliot's storm petrel (Oceanites gracilis galapagoensis), Punta Pitt, San Cristobal Island, Galapagos Islands, Ecuador, South America

Adult cape petrels (Daption capense) in rough seas in English Strait, South Shetland Islands, Antarctica, Polar Regions

Adult cape petrels (Daption capense) feeding at Brown Bluff, Antarctica, Polar Regions

Northern giant petrel (Macronectes halli) fighting over dead fur seal carcass, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

Northern giant petrel (Macronectes halli) fighting over dead fur seal carcass, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

Giant petrel, near Falkland Islands, South Atlantic, South America

Adult cape petrel (Daption capense) flying in gale force winds in the Drake Passage, Antarctica, Polar Regions

Southern giant petrel (Macronectes giganteus), feeding on a sheep carcass at West Point Island, Falkland Islands, South America

Northern giant petrel (Macronectes halli) attempting to eat a king penguin chick (Aptenodytes patagonicus), Gold Harbour, South Georgia, Polar Regions

Northern giant petrel (Macronectes halli) amongst king penguin chicks at Gold Harbour, South Georgia, Southern Ocean, Polar Regions

Adult snow petrel (Pagodroma nivea nivea), in flight near the Antarctic Peninsula, Antarctica, Southern Ocean, Polar Regions

Adult snow petrel (Pagodroma nivea nivea), in flight near the Antarctic Peninsula, Antarctica, Southern Ocean, Polar Regions

Southern giant petrel (Macronectes giganteus) in flight near Tristan da Cunha, South Atlantic Ocean

Adult spectacled petrel (Procellaria conspicillata) in flight near Nightingale Island, part of the Tristan da Cunha Group, South Atlantic Ocean

Southern giant petrel (Macronectes giganteus) cleaning itself on the water, South Georgia, Southern Ocean, Polar Regions

Atlantic Puffin (Fratercula arctica), on Skomer Island in July, a nature reserve off the coast of Pembrokeshire, Wales, United Kingdom, Europe

A rare white morph of the southern giant petrel (Macronectes giganteus), English Strait, Antarctica, Polar Regions

Southern giant petrel (Macronectes giganteus) with blood-covered head, taking off at Volunteer Point, Falkland Islands, South America

Snow petrel (Pagodroma nivea) in flight against a dark blue sea, South Georgia and South Sandwich Islands, Polar Regions

Northern giant petrel (Macronectes halli) threat display on the beach at Stromness, South Georgia, Southern Ocean, Polar Regions

Northern giant petrel (Macronectes halli) amongst king penguin chicks at Gold Harbour, South Georgia, Southern Ocean, Polar Regions

Young northern gannet (Morus bassanus) in flight near Ile des Oiseaux in the Parc National du Delta du Saloum, UNESCO World Heritage Site, Senegal, West Africa, Africa

Southern giant petrel (Macronectes giganteus) in flight against the sun near South Georgia, Southern Ocean, Polar Regions

Southern giant petrel (Macronectes giganteus) in flight against the sun near South Georgia, Southern Ocean, Polar Regions

Adult snow petrel (Pagodroma nivea nivea) near the Antarctic Peninsula, Antarctica, Southern Ocean, Polar Regions

Northern giant petrel (Macronectes halli) scavenging and feeding on a dead fur seal pup at St. Andrews Bay, South Georgia

An adult northern giant petrel (Macronectes halli) in flight in the Drake Passage, Argentina, South America

Northern giant petrel (Macronectes halli) threat display while feeding on elephant seal pup carcass at Stromness, South Georgia, Polar Regions

Adult cape petrels (Daption capense), in flight near Deception Island, Antarctica, Southern Ocean, Polar Regions

Southern giant petrel (Macronectes giganteus) in flight against the sun near South Georgia, Southern Ocean, Polar Regions

Adult Galapagos Petrel (Pterodroma phaeopygia) (Patapegada) nesting on the upslope grasslands of Santa Cruz Island in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Northern giant petrels (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at Royal Harbor, South Georgia

Northern giant petrels (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at Royal Harbor, South Georgia

Northern giant petrels (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at Royal Harbor, South Georgia

Northern giant petrels (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at Royal Harbor, South Georgia

Northern giant petrels (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at Royal Harbor, South Georgia

Northern giant petrels (Macronectes halli) fighting over the scavenging rights to a dead fur seal pup at St. Andrews Bay, South Georgia

Giant Petrel (macronectes giganteus), Tierra del Fuego, Patagonia, Chile, South America

Lava lizard (Microlophus spp) in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America

Southern giant petrel (Macronectes giganteus) in flight against the sun near South Georgia, Southern Ocean, Polar Regions

Adult cape petrels (Daption capense) feeding near Deception Island, Antarctica, Southern Ocean, Polar Regions

Northern giant petrels (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at Royal Harbor, South Georgia

Northern giant petrels (Macronectes halli) fighting over the scavenging rights to a dead fur seal pup at St. Andrews Bay, South Georgia

Adult cape petrels (Daption capense) feeding near Deception Island, Antarctica, Southern Ocean, Polar Regions

Northern giant petrels (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at Royal Harbor, South Georgia

Cape petrels (Daption capense), in flight in the Drake Passage, Antarctica, Polar Regions

Southern Giant Petrel (Macronectes giganteus), moss covered rock, Torgersen Island, Antarctic Peninsula, Antarctica, Polar Regions

A curious adult cape petrel (Daption capense), Lindblad Cove, Trinity Peninsula, Antarctica, Polar Regions

Adult cape petrel (Daption capense) flying in gale force winds in the Drake Passage, Antarctica, Polar Regions

Adult Wilson's storm petrels (Oceanites oceanicus), surface feeding at Grytviken, South Georgia, Polar Regions

Pintado petrels (Daption capense), in flight on the north end of Coronation Island, South Orkneys, Antarctica, Polar Regions

Cape petrel flying over iceberg near Coronation Island, South Orkney Islands, Antarctica, Polar Regions

Northern giant petrel (Macronectes halli) resting in grassland above the sea, Grytviken, South Georgia, Polar Regions

A curious adult cape petrel (Daption capense), Lindblad Cove, Trinity Peninsula, Antarctica, Polar Regions

A curious adult cape petrel (Daption capense), Lindblad Cove, Trinity Peninsula, Antarctica, Polar Regions

An adult northern giant petrel (Macronectes halli) in flight in the Drake Passage, Argentina, South America

Adult cape petrel (Daption capense) flying in gale force winds in the Drake Passage, Antarctica, Polar Regions

Female northern giant petrel (Macronectes halli), ringed on South Georgia and photographed years later off Bristol Island, South Sandwich Islands, Polar Regions

An adult snow petrel (Pagodroma nivea), in flight in Duse Bay, Weddell Sea, Antarctica, Polar Regions

Adult Antarctic petrel (Thalassoica antarctica) in flight in the Drake Passage, Antarctica, Polar Regions

Close-up of a flying Cape petrel (Daption capense), South Georgia and the South Sandwich Islands, Polar Regions

Northern giant petrel (Macronectes halli) off Kaikoura, South Island, New Zealand, Pacific

An Antarctic petrel (Thalassoica antarctica), in flight at sea on the way to Peter I Island, Antarctica, Polar Regions

An adult Antarctic petrel (Thalassoica antarctica), flying near a light-mantled albatross in the Drake Passage, Antarctica, Polar Regions

Adult Wilson's storm petrel (Oceanites oceanicus), surface feeding at Grytviken, South Georgia, Polar Regions

Southern giant petrel (Macronectes giganteus) flying low over the sea at Port William, Falkland Islands, South America

Giant Petrel, near Falkland Islands, South Atlantic, South America

A southern giant petrel (Macronectes giganteus) in flight, Falkland Islands, South America

Giant petrel, near Falkland Islands, South Atlantic, South America

Northern giant petrel (Macronectes halli), Drake Passage, Chile, South America

Northern giant petrel (Macronectes halli), Drake Passage, Chile, South America

Cape petrels flying in the Drakes Passage, Argentina, South America

Giant petrel near Falkland Islands, South America

Cape Petrel (Daption capense) soaring in the Drake Passage, Southern Ocean, Antarctica, Polar Regions

A Wandering Albatross; Diomedea exulans, the bird with the largest wing span on the planet, at around 11 feet 6 inches, flying in the Drake Passage, Sub-Antarctic.

Southern giant petrel (macronectes giganteus) gold harbour, south georgia, close-up of head, portrait, beak open.

A Black Browed Albatross; Thalassarche melanophrys, flying in the Drake Passage, Sub-Antarctica.

A Southern Giant Petrel, Macronectes giganteus, flying in the Drake Passage, Sub-Antarctic.

A Southern Giant Petrel, Macronectes giganteus, on the beach at Gold Harbour, South Georgia, Southern Ocean.

A Southern Giant Petrel, Macronectes giganteus, on the beach at Salisbury Plain, South Georgia, Southern Ocean.

Southern giant petrel (macronectes giganteus) gold harbour, south georgia, flying along cliff edge searching for food.

Southern giant petrel (macronectes giganteus) falkland islands, in flight.

Southern giant petrels (Macronectes giganteus), Gough Island, South Atlantic Ocean, Polar Regions

Cape petrels. Daption capense. South georgia. Antarctica

Cape petrel (Daption capense), Weddell Sea, Antarctica, Polar Regions

Adult Bulwer's Petrel (Bulweria bulwerii) in flight just south of The Madeira Islands, Portugal in the North Atlantic Ocean

Wilson's storm-petrel (Oceanites oceanicus) daintily feeding in the calm waters of Neko Harbour on the Antarctic Peninsula

Adult Bulwer's Petrel (Bulweria bulwerii) in flight just south of The Madeira Islands, Portugal in the North Atlantic Ocean