1112-11054 - Adult snow petrel (Pagodroma nivea nivea) near the Antarctic Peninsula, Antarctica, Southern Ocean, Polar Regions

1112-11012 - 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

1112-10559 - Southern giant petrel (Macronectes giganteus) cleaning itself on the water, South Georgia, Southern Ocean, Polar Regions

1112-10558 - Southern giant petrel (Macronectes giganteus) in flight against the sun near South Georgia, Southern Ocean, Polar Regions

1112-10557 - Southern giant petrel (Macronectes giganteus) in flight against the sun near South Georgia, Southern Ocean, Polar Regions

1112-10556 - Southern giant petrel (Macronectes giganteus) in flight against the sun near South Georgia, Southern Ocean, Polar Regions

1112-10555 - Southern giant petrel (Macronectes giganteus) in flight against the sun near South Georgia, Southern Ocean, Polar Regions

1112-10318 - Adult spectacled petrel (Procellaria conspicillata) in flight near Nightingale Island, part of the Tristan da Cunha Group, South Atlantic Ocean

1112-10313 - Southern giant petrel (Macronectes giganteus) in flight near Tristan da Cunha, South Atlantic Ocean

1112-9469 - Northern giant petrel (Macronectes halli) amongst king penguin chicks at Gold Harbour, South Georgia, Southern Ocean, Polar Regions

1112-9468 - Northern giant petrel (Macronectes halli) amongst king penguin chicks at Gold Harbour, South Georgia, Southern Ocean, Polar Regions

1112-9467 - Northern giant petrel (Macronectes halli) attempting to eat a king penguin chick (Aptenodytes patagonicus), Gold Harbour, South Georgia, Polar Regions

1112-9466 - Northern giant petrel (Macronectes halli) threat display on the beach at Stromness, South Georgia, Southern Ocean, Polar Regions

1112-9465 - Northern giant petrel (Macronectes halli) threat display while feeding on elephant seal pup carcass at Stromness, South Georgia, Polar Regions

1112-9412 - Southern giant petrel (Macronectes giganteus), feeding on a sheep carcass at West Point Island, Falkland Islands, South America

1112-9354 - Adult snow petrel (Pagodroma nivea nivea), in flight near the Antarctic Peninsula, Antarctica, Southern Ocean, Polar Regions

1112-9353 - Adult snow petrel (Pagodroma nivea nivea), in flight near the Antarctic Peninsula, Antarctica, Southern Ocean, Polar Regions

1382-653 - Giant Petrel (macronectes giganteus), Tierra del Fuego, Patagonia, Chile, South America

1112-7578 - An adult northern giant petrel (Macronectes halli) in flight in the Drake Passage, Argentina, South America

1112-7575 - An adult northern giant petrel (Macronectes halli) in flight in the Drake Passage, Argentina, South America

860-290909 - Northern Giant Petrel or Hall's Giant Petrel (Macronectes halli) soaring over the waves of the South Atlantic near South Georgia. Antarctica, Subantarctica, South Georgia, October

746-91113 - The Petrel a whale catcher. Grytviken Whaling Station in South Georgia. Grytviken is open to visitors, but most walls and roofs of the factory have been demolished for safety reasons. Antarctica, Subantarctica, South Georgia, October

746-91112 - The Petrel a whale catcher. Grytviken Whaling Station in South Georgia. Grytviken is open to visitors, but most walls and roofs of the factory have been demolished for safety reasons. Antarctica, Subantarctica, South Georgia, October

746-91064 - Southern Giant Petrel (Macronectes giganteus) on nest in Godthul on south Georgia. Antarctica, Subantarctica, South Georgia, October

1350-6176 - A Buller's Albatross rests on the water off the coast of Wollongong, New South Wales, Australia

1112-6359 - An Antarctic petrel (Thalassoica antarctica), in flight at sea on the way to Peter I Island, Antarctica, Polar Regions

1112-5803 - An adult snow petrel (Pagodroma nivea), in flight in Duse Bay, Weddell Sea, Antarctica, Polar Regions

1112-4771 - An adult Antarctic petrel (Thalassoica antarctica), flying near a light-mantled albatross in the Drake Passage, Antarctica, Polar Regions

1112-4694 - A curious adult cape petrel (Daption capense), Lindblad Cove, Trinity Peninsula, Antarctica, Polar Regions

1112-4693 - A curious adult cape petrel (Daption capense), Lindblad Cove, Trinity Peninsula, Antarctica, Polar Regions

1112-4680 - A curious adult cape petrel (Daption capense), Lindblad Cove, Trinity Peninsula, Antarctica, Polar Regions

1178-27859 - Petrel Cove in South Australia, Australia

1178-27857 - Petrel Cove in South Australia, Australia

971-209 - Southern giant petrel (Macronectes giganteus) with blood-covered head, taking off at Volunteer Point, Falkland Islands, South America

971-194 - Northern giant petrel (Macronectes halli) resting in grassland above the sea, Grytviken, South Georgia, Polar Regions

971-164 - Snow petrel (Pagodroma nivea) in flight against a dark blue sea, South Georgia and South Sandwich Islands, Polar Regions

971-168 - Close-up of a flying Cape petrel (Daption capense), South Georgia and the South Sandwich Islands, Polar Regions

971-174 - Female northern giant petrel (Macronectes halli), ringed on South Georgia and photographed years later off Bristol Island, South Sandwich Islands, Polar Regions

971-159 - Southern giant petrel (Macronectes giganteus) flying low over the sea at Port William, Falkland Islands, South America

1112-4136 - Adult northern giant petrel, Macronectes halli, on nest in tussock grass at Elsehul, South Georgia Island, Atlantic Ocean

1167-1788 - Southern Giant Petrel (Macronectes giganteus), moss covered rock, Torgersen Island, Antarctic Peninsula, Antarctica, Polar Regions

741-5296 - A southern giant petrel (Macronectes giganteus) in flight, Falkland Islands, South America

1112-3042 - Adult Wilson's storm petrel (Oceanites oceanicus), surface feeding at Grytviken, South Georgia, Polar Regions

860-284954 - Southern giant petrel on a beach at sunrise-Falkland islands

860-286077 - Southern Giant Petrel off past a wave, Falkland Islands

1112-2842 - A rare white morph of the southern giant petrel (Macronectes giganteus), English Strait, Antarctica, Polar Regions

911-10219 - A Southern Giant Petrel, Macronectes giganteus, flying in the Drake Passage, Sub-Antarctic.

911-9997 - 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.

911-10007 - A Black Browed Albatross; Thalassarche melanophrys, flying in the Drake Passage, Sub-Antarctica.

911-10005 - A Southern Giant Petrel, Macronectes giganteus, on the beach at Gold Harbour, South Georgia, Southern Ocean.

911-9998 - A Southern Giant Petrel, Macronectes giganteus, on the beach at Salisbury Plain, South Georgia, Southern Ocean.

1112-2111 - Adult Antarctic petrel (Thalassoica antarctica) in flight in the Drake Passage, Antarctica, Polar Regions

917-556 - Cape Petrel (Daption capense) soaring in the Drake Passage, Southern Ocean, Antarctica, Polar Regions

1112-1995 - Cape petrel flying over iceberg near Coronation Island, South Orkney Islands, Antarctica, Polar Regions

1112-1964 - Adult cape petrel (Daption capense) flying in gale force winds in the Drake Passage, Antarctica, Polar Regions

1112-1963 - Adult cape petrel (Daption capense) flying in gale force winds in the Drake Passage, Antarctica, Polar Regions

1112-1965 - Adult cape petrel (Daption capense) flying in gale force winds in the Drake Passage, Antarctica, Polar Regions

1112-1951 - The whale catcher ship Petrel on display at the abandoned and recently restored whaling station at Grytviken, South Georgia, UK Overseas Protectorate

1112-1351 - Adult white-chinned petrel (Procellaria aequinoctialis), off Kaikoura, South Island, New Zealand, Pacific

1112-1311 - Northern giant petrel (Macronectes halli) off Kaikoura, South Island, New Zealand, Pacific

1112-1040 - Adult Antarctic petrel (Thalassoica antarctica) in flight, Drake Passage, Antarctica, Southern Ocean, Polar Regions

1112-968 - Adult cape (pintado) petrel (Daption capense) in flight, Drake Passage, Antarctica, Southern Ocean, Polar Regions

1112-676 - Northern giant petrel (Macronectes halli) posturing over dead fur seal carcass, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

1112-678 - Northern giant petrel (Macronectes halli) fighting over dead fur seal carcass, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

1112-681 - Northern giant petrel (Macronectes halli) feeding on dead fur seal carcass, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

1112-677 - Northern giant petrel (Macronectes halli) fighting over dead fur seal carcass, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

1112-680 - Northern giant petrel (Macronectes halli) posturing over dead fur seal carcass, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

1112-679 - Northern giant petrel (Macronectes halli) fighting over dead fur seal carcass, Gold Harbour, South Georgia, South Atlantic Ocean, Polar Regions

1116-11565 - Southern Giant Petrel (Macronectes giganteus) & South American Sea Lion (Otaria flavescens) colony, Peninsula Valdes, Chubut, Argentina

857-21384 - The Petrel and the Guillamont, two pulling boats, part of the Chewonki Foundation's fleet, head out of Wiscasset on an orientation trip for Bodwin College freshmen. The boats sail down the Back River. This non-profit Foundation, formerly a boys camp where Roger Tory Peterson directed the nature program in the 1920's, provides environmental programs throughout the year for a diverse number of groups throughout Maine and offers participation in residential and non-residential programs in environmental education.

1112-137 - Juvenile magnificent frigatebird (Fregata magnificens) attacking an Elliot's storm petrel (Oceanites gracilis galapagoensis), Punta Pitt, San Cristobal Island, Galapagos Islands, Ecuador, South America

1112-138 - Juvenile magnificent frigatebird (Fregata magnificens) attacking an Elliot's storm petrel (Oceanites gracilis galapagoensis), Punta Pitt, San Cristobal Island, Galapagos Islands, Ecuador, South America

917-472 - Southern giant petrels (Macronectes giganteus), Gough Island, South Atlantic Ocean, Polar Regions

1198-280 - Southern giant petrel (macronectes giganteus) gold harbour, south georgia, close-up of head, portrait, beak open.

1198-86 - Southern giant petrel (macronectes giganteus) falkland islands, in flight.

1198-580 - Southern giant petrel (macronectes giganteus) gold harbour, south georgia, flying along cliff edge searching for food.

1191-26 - Cape petrels. Daption capense. South georgia. Antarctica

909-60 - Nesting Snow Petrel (Pagodroma Nivea). Commonwealth Bay, East Antarctica.

909-62 - Nesting Snow Petrel (Pagodroma Nivea) in a deep rock crevice. Commonwealth Bay, East Antarctica.

909-220 - Northern Giant Petrel (Macronectes halli) scaring off a big group of Gentoo Penguin (Pygoscelis papua) chicks. Livingston Island, Antarctic Peninsula

909-61 - Young Northern Giant Petrel (Macronectes Halli). Sandy Bay, Auckland Island, Subantarctic New Zealand.

915-480 - Fulmar petrel (Fulmarus glacialis), Deer Park, Pembrokeshire, Wales, UK, Europe (rr)

917-274 - A pair of Cape Petrels, Daption capense, soaring with icebergs in the background, Weddell Sea, Antarctica.

915-481 - Fulmar petrel (Fulmarus glacialis), Deer Park, Pembrokeshire, Wales, UK, Europe (rr)

921-208 - Slade back Gull. Longyearbyen, Svalbard, Norway

1034-111 - Southern giant petrel (Macronectes giganteus) white morph, and chinstrap penguins (Pygocelis antarctica), NB: penguins standing their ground against the petrel, antarctica, Southern Oceanl

921-209 - Slade back Gull (Fulmarus glacialis). Longyearbyen, Svalbard, Norway

915-477 - Fulmar petrel (Fulmarus glacialis), Deer Park, Pembrokeshire, Wales, UK, Europe

921-210 - Slade back Gull (Fulmarus glacialis). Longyearbyen, Svalbard, Norway

921-19 - Sladie Back Gull. Longyearbyen, City Center, Svalbard, Norway

921-17 - Sladie Back Gull. Longyearbyen, City Center, Svalbard, Norway

917-256 - Southern Giant Petrels, Macronectes giganteus, flying in unison, Gough Island, South Atlantic Ocean.

917-275 - Snow Petrel, Pagodroma nivea, flying above icebergs, Weddell Sea, Antarctica.

915-482 - Fulmar petrel (Fulmarus glacialis), Deer Park, Pembrokeshire, Wales, UK, Europe

915-478 - Fulmar petrel (Fulmarus glacialis), Deer Park, Pembrokeshire, Wales, UK, Europe

915-476 - Fulmar petrel (Fulmarus glacialis), Deer Park, Pembrokeshire, Wales, UK, Europe (rr)

921-18 - Sladie Back Gull. Longyearbyen, City Center, Svalbard, Norway

917-244 - Southern Giant Petrel, Macronectes giganteus, South Georgia, South Atlantic Ocean.

979-3951 - Southern Giant Petrel (Macronectes giganteus) and Northern Giant Petrel (Macronectes halli) tearing apart an Antarctic fur seal pup in the water at Grytviken on South Georgia, Southern Atlantic Ocean

979-9274 - Northern giant petrel (Macronectes halli) fighting over the scavenging rights to a dead elephant seal pup at Royal Harbor on South Georgia Island, Southern Ocean