Suzi Eszterhas / Macaroni Penguin (Eudyptes chrysolophus) colony, Cooper Bay, South Georgia Island
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Suzi Eszterhas / Chinstrap Penguin (Pygoscelis antarctica) colony on beach, Bailey Head, Deception Island, Antarctica
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Suzi Eszterhas / Chinstrap Penguin (Pygoscelis antarctica) colony on beach, Bailey Head, Deception Island, Antarctica
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Tui De Roy / Fiordland Crested Penguin (Eudyptes pachyrhynchus) coming ashore on secluded beach to access nesting colony in thick forest, New Zealand
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Tui De Roy / Fiordland Crested Penguin (Eudyptes pachyrhynchus) coming ashore on secluded beach to access nesting colony in thick forest, New Zealand
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Tui De Roy / Nazca Booby (Sula granti) colony along cliff edge, Galapagos Islands, Ecuador
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Tui De Roy / Blue-footed Booby (Sula nebouxii) nesting colony among Carpetweed (Sesuvium sp) plants along shoreline, Galapagos Islands, Ecuador
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Wild Wonders of Europe / Widstrand / RF- White storks (Ciconia ciconia) nesting on poles erected by the city of Caceres in Extremadura, Spain, to compensate for the removal of an old farmhouse supporting a colony of storks. (This image m...
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Ingo Arndt / Cave Swiftlet (Collocalia linchi) breeding colony in cave, Christmas Island, Indian Ocean, Territory of Australia
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Ingo Arndt / Cave Swiftlet (Collocalia linchi) breeding colony in cave, Christmas Island, Indian Ocean, Territory of Australia
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Ingo Arndt / King Penguin (Aptenodytes patagonicus) birds from colony molting, South Georgia Island
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Ingo Arndt / King Penguin (Aptenodytes patagonicus) colony with many one year old chicks, St. Andrews Bay, South Georgia Island
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Ingo Arndt / Cape Gannet (Morus capensis) colony, Lambert's Bay, South Africa
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Ingo Arndt / Cape Gannet (Morus capensis) colony, Lambert's Bay, South Africa
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Ingo Arndt / Cape Gannet (Morus capensis) colony, Lambert's Bay, South Africa
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Ingo Arndt / Cape Gannet (Morus capensis) colony, Lambert's Bay, South Africa
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Ingo Arndt / Cape Gannet (Morus capensis) colony with fog bow, Lambert's Bay, South Africa
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Gerrit Vyn / Male Magnificent Frigatebird (Fregata magnificens) in Spring, perched at breeding colony. Dry Tortugas NP, Florida, USA
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Konrad Wothe / King Penguin (Aptenodytes patagonicus) with egg in colony, Gold Harbour, South Georgia Island
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Konrad Wothe / King Penguin (Aptenodytes patagonicus) colony, South Georgia Island
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Hiroya Minakuchi / Gentoo Penguin (Pygoscelis papua) near colony, Danco Island, Antarctica
Robert Thompson / Seabirds nesting on bird cliffs, Balor's soldiers, Tory Island, County Donegal, Republic of Ireland, June 2008
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Robert Thompson / Seabirds nesting on bird cliffs, Balor's soldiers, Tory Island, County Donegal, Republic of Ireland, June 2008
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Robert Thompson / Seabirds nesting on bird cliffs, Balor's soldiers, Tory Island, County Donegal, Republic of Ireland, June 2008
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Wild Wonders of Europe / de la Lez / Black-legged kittiwake (Rissa tridactyla) colony, Bird cliffs, Alkehornet, Svalbard, Norway, July 2008
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Ingo Arndt / Macaroni Penguin (Eudyptes chrysolophus) nesting colony, Cooper Bay, South Georgia Island
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Tui De Roy / Peruvian Pelican (Pelecanus thagus) nesting colony, courtship in full breeding plumage, Algarrobo, Valparaiso, Chile
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Tui De Roy / Gentoo Penguin (Pygoscelis papua) nesting colony on windswept sand dunes, Saunders Island, Falkland Islands
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Tui De Roy / Gentoo Penguin (Pygoscelis papua) nesting colony on windswept sand dunes, Saunders Island, Falkland Islands
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Tui De Roy / Gentoo Penguin (Pygoscelis papua) commuters returning to nesting colony in late afternoon, Steeple Jason Island, Falkland Islands
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Hugh Pearson / Cape gannet (Morus capensis) sky pointing in colony, Bird Island, off the coast of the Eastern Cape, South Africa, January
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Hugh Pearson / BBC camera crew filming Cape gannet (Morus capensis) colony using a Jimmy Jib, Bird Island, off the coast of the Eastern Cape, South Africa, January 2008
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Hugh Pearson / BBC camera crew filming Cape gannet (Morus capensis) colony using a Jimmy Jib, Bird Island, off the coast of the Eastern Cape, South Africa, January 2008
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Hugh Pearson / Cape gannets (Morus capensis) part of the largest colony in the world, Bird Island, off the coast of the Eastern Cape, South Africa, January
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Hugh Pearson / Cape gannets (Morus capensis) part of the largest colony in the world, Bird Island, off the coast of the Eastern Cape, South Africa, January
Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) colony on cliff nests, Saunders Island, Falkland Islands
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Pete Oxford / Striated Caracara (Phalcoboenus australis) feeding on Gentoo Penguin (Pygoscelis papua) chick, Saunders Island, Falkland Islands
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Pete Oxford / Striated Caracara (Phalcoboenus australis) feeding on Gentoo Penguin (Pygoscelis papua) chick, Saunders Island, Falkland Islands
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Pete Oxford / Gentoo Penguin (Pygoscelis papua) colony, Saunders Island, Falkland Islands
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Pete Oxford / Gentoo Penguin (Pygoscelis papua) on pebble nest in nesting colony, Steeple Jason Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) nesting colony, Steeple Jason Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) nesting colony, Steeple Jason Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) nesting colony, Steeple Jason Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) nesting colony, Steeple Jason Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) nesting colony, Steeple Jason Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) nesting colony, Steeple Jason Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) pair flying over nesting colony, Steeple Jason Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) colony, Steeple Jason Island, Falkland Islands
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Pete Oxford / White-bellied Shag (Phalacrocorax atriceps albiventer) group with Black-browed Albatross (Thalassarche melanophrys) colony in the background, Steeple Jason Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) flying over colony, Steeple Jason Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) banded by Nic Huin, for a study on population decline, Saunders Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) group marked by Nic Huin for study on population decline, Saunders Island, Falkland Islands
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Pete Oxford / Black-browed Albatross (Thalassarche melanophrys) nesting group marked by Nic Huin for study on population decline, Sau nders Island, Falkland Islands
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Pete Oxford / Gentoo Penguin (Pygoscelis papua) and chicks in colony, Keppel Island, Falkland Islands
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Adam White / Sooty tern (Onychoprion fuscatus) nesting colony, Bird Is, Seychelles
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Mike Potts / Cormorant (Phalacrocorax carbo) nesting colony, one bird landing, Little Orme, Llandudno, North Wales, UK
Ingo Arndt / King Penguin (Aptenodytes patagonicus) colony, Gold Harbor, South Georgia Island
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Ingo Arndt / King Penguin (Aptenodytes patagonicus) colony along a river, St. Andrews Bay, South Georgia Island
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Tim Laman / No trespassing sign at the National Audubon Society Sanctuary at Alafia Bank, the largest breeding colony of Roseate Spoonbills in Florida. Alafia Banks Bird Sanctuary, Sunken Island, Tampa Bay, Flori...
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Colin Monteath / White-fronted Tern (Sterna striata) colony, Shag Point, North Otago, New Zealand
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Gabriel Rojo / Monte Leon Island sea bird colony, Monte Leon National Park, Santa Cruz Province, Patagonia, Argentina, December 2006
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Mark Brownlow / Great frigate bird {Fregata minor} female at nest with chicks in nesting colony, French Frigate Shoals, Hawaiian Islands
Andy Rouse / RF- King penguin (Aptenodytes patagonicus) adult feeding chick in colony, Falkland Islands. (This image may be licensed either as rights managed or royalty free.)
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Andy Rouse / RF- King penguin (Aptenodytes patagonicus) three walking from sea back to colony at sunrise, Falkland Islands. (This image may be licensed either as rights managed or royalty free.)
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Pete Oxford / Rockhopper Penguin (Eudyptes chrysocome) group using trail between colony and shoreline, Pebble Island, Falkland Islands
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Pete Oxford / White-bellied Shag (Phalacrocorax atriceps albiventer) colony, Pebble Island, Falkland Islands
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Pete Oxford / Rockhopper Penguin (Eudyptes chrysocome) pair using trail between colony and shoreline, Pebble Island, Falkland Islands
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Flip Nicklin / Southern Elephant Seal (Mirounga leonina) bull and King Penguin (Aptenodytes patagonicus) colony, South Georgia Island
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Flip Nicklin / King Penguin (Aptenodytes patagonicus) in colony, South Georgia Island
Colin Monteath / King Penguin (Aptenodytes patagonicus) colony and tourists, Lusitania Bay, Macquarie Island, Subantarctic, Australia
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Yva Momatiuk & John Eastcott / King Penguin (Aptenodytes patagonicus) colony among Southern Elephant Seals (Mirounga leonina) on beach, St. Andrews Bay, South Georgia Island
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Pete Oxford / Waved Albatross (Phoebastria irrorata) colony, Hood Island, Galapagos Islands, Ecuador
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Jasper Doest / Northern Gannet (Morus bassanus) colony, Saltee Island, Republic of Ireland
Yva Momatiuk & John Eastcott / King Penguin (Aptenodytes patagonicus) colony and Southern Elephant Seal (Mirounga leonina) on beach, St. Andrews Bay, South Georgia Island
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Kevin Schafer / Blue-eyed Cormorant (Phalacrocorax atriceps) nesting colony, Bleaker Island, Falkland Islands
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Kevin Schafer / Magellanic Penguin (Spheniscus magellanicus) and Humboldt Penguin (Spheniscus humboldti) breeding colony, Chiloe Island, Chile
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Yva Momatiuk & John Eastcott / Southern Elephant Seal (Mirounga leonina) weaner pups and King Penguin (Aptenodytes patagonicus) colony on beach, Right Whale Bay, South Georgia Island
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Yva Momatiuk & John Eastcott / Southern Elephant Seal (Mirounga leonina) weaner pups and King Penguin (Aptenodytes patagonicus) colony on beach, Right Whale Bay, South Georgia Island
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Yva Momatiuk & John Eastcott / King Penguin (Aptenodytes patagonicus) group walking among harems of Southern Elephant Seals (Mirounga leonina) on beach, St. Andrews Bay, South Georgia Island
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Yva Momatiuk & John Eastcott / King Penguin (Aptenodytes patagonicus) colony, St. Andrews Bay, South Georgia Island