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Adult Imperial Shag (Phalacrocorax (atriceps) atriceps) returning to the colony with nesting material, Falkland Islands

Adult male long-tailed meadowlark (Sturnella loyca) in breeding plumage on New Island in the Falkland Islands

Black-browed albatross (Thalassarche melanophrys) breeding colony on Steeple Jason Island in the Falkland Islands

Black-browed albatross (Thalassarche melanophrys) breeding colony on Steeple Jason Island in the Falkland Islands

Black-browed albatross (Thalassarche melanophrys) breeding colony on Steeple Jason Island in the Falkland Islands

Black-browed albatross (Thalassarche melanophrys) breeding colony on Carcass Island in the Falkland Islands

Black-browed albatross (Thalassarche melanophrys) breeding colony on Carcass Island in the Falkland Islands

Black-browed albatross (Thalassarche melanophrys) breeding colony on Carcass Island in the Falkland Islands

Black-browed albatross (Thalassarche melanophrys) breeding colony on New Island in the Falkland Island.

Black-browed albatross (Thalassarche melanophrys) close-up at breeding colony on Carcass Island in the Falkland Islands

Black-browed albatross (Thalassarche melanophrys) breeding colony on Carcass Island in the Falkland Islands

Adult male long-tailed meadowlark (Sturnella loyca) in breeding plumage on New Island in the Falkland Islands

Magellanic penguin (Spheniscus magellanicus) at a breeding and molting site in Estancia San Lorenzo, Argentina

Magellanic penguins (Spheniscus magellanicus) at a breeding and molting site in Estancia San Lorenzo, Argentina

Magellanic penguins (Spheniscus magellanicus) at a breeding and molting site in Estancia San Lorenzo, Argentina

Magellanic penguins (Spheniscus magellanicus) at a breeding and molting site in Estancia San Lorenzo, Argentina

Magellanic penguin (Spheniscus magellanicus) at a breeding and molting site in Estancia San Lorenzo, Argentina

Magellanic penguin (Spheniscus magellanicus) at a breeding and molting site in Estancia San Lorenzo, Argentina

Adult dovekie (Alle alle alle) breeding area on the island of Bolscheoya in the Svalbard Archipelago, Norway

Adult dovekie (Alle alle alle) breeding area on the island of Bolscheoya in the Svalbard Archipelago, Norway

Adult Atlantic puffins (Fratercula arctica), breeding on the island of Bolscheoya in the Svalbard Archipelago, Norway

Adult black-legged kittiwakes (Rissa tridactyla) on ice in the Svalbard Archipelago, Barents Sea, Norway

Adult male common eider ducks (Somateria mollissima) in breeding plumage in the Svalbard Archipelago, Norway

Adult arctic tern (Sterna paradisaea) male bringing female a fish, Spitsbergen Island in the Svalbard Archipelago, Norway

Adult great skua (Stercorarius skua) being harassed by Arctic terns (Sterna paradisaea) guarding their nest sites, Svalbard, Norway

Adult Atlantin puffin (Fratercula arctica) during breeding season, Isfjardardjup, Westfjords region, Northwestern Iceland

Adult Atlantin puffin (Fratercula arctica) during breeding season on Sumburgh Head, Shetlands, Scotland, United Kingdom

Adult Atlantin puffin (Fratercula arctica) during breeding season on Sumburgh Head, Shetlands, Scotland, United Kingdom

Northern gannet (Morus bassanas), on the wing at the cliffs of Noss, Shetland Islands, Scotland, United Kingdom

Adult black guillemot (Cepphus grylle) in summer plumage near Vigur Island in Isafjardardjup Bay, Iceland

Adult Eurasian oystercatcher (Haematopus ostralegus ostralegus) in full breeding plumage at Isfjardardjup, Iceland

Adult black-browed albatross (Thalassarche melanophrys), close up of tail at nesting site on New Island, Falklands, South America

Imperial Shag (Phalacrocorax atriceps), pair exhibiting courtship behavior on New Island in the Falkland Islands, South America

Adult black-browed albatross (Thalassarche melanophrys), in flight returning to nesting site on West Point Island, Falklands, South America

Adult black-browed albatross (Thalassarche melanophrys), pair in courtship display at nesting site on New Island, Falklands, South America

Adult female Magellan goose (upland goose) (Chloephaga picta), on New Island in the Falkland Islands, South Atlantic Ocean, South America

Rock shag (Phalacrocorax magellanicus), pair exhibiting courtship behavior near New Island in the Falkland Islands, South America

Sunrise on king penguins (Aptenodytes patagonicus) at nesting and breeding colony at Salisbury Plain, South Georgia, Polar Regions

Sunrise on king penguins (Aptenodytes patagonicus) at nesting and breeding colony at Salisbury Plain, South Georgia, Polar Regions

Adult king penguins (Aptenodytes patagonicus) amongst chicks (okum boys) at Salisbury Plain, South Georgia, Polar Regions

Adult Subantarctic Skua (Catharacta antarctica lonnbergi) cleaning itself in glacier run off at Stromness Bay, South Georgia, Polar Regions

Adult Subantarctic Skua (Catharacta antarctica lonnbergi) on tussac at Salisbury Plain on South Georgia Island, Polar Regions

Wandering albatross (Diomedea exulans) chick at nest site on Prion Island in the Bay of Isles, South Georgia, Polar Regions

Antarctic tern (Sterna vittata), on the wreck of the Guvernoren in the Enterprise Islands, Antarctica, Southern Ocean, Polar Regions

Adelie penguin (Pygoscelis adeliae), feeding chick at breeding colony at Brown Bluff, Antarctic Peninsula, Antarctica, Polar Regions

Adelie penguin (Pygoscelis adeliae), with chicks at breeding colony at Brown Bluff, Antarctic Peninsula, Antarctica, Polar Regions

Adult kelp gull (Larus dominicanus), nesting on lichen covered rocks on Half Moon Island in Antarctica, Southern Ocean, Polar Regions

Adult dovekies (Little Auk) (Alle alle) at their breeding site amongst scree slopes at Rubini Rock, Tikhaya Bay, Hooker Island, Franz Josef Land, Russia, Arctic Ocean, Eurasia

Adult dovekie (Little Auk) (Alle alle) at their breeding site amongst scree slopes at Rubini Rock, Tikhaya Bay, Hooker Island, Franz Josef Land, Russia, Arctic Ocean, Eurasia

Adult black guillemot (Cepphus grylle) at breeding site on Alexander Island, Franz Josef Land, Russia, Arctic Ocean, Eurasia

Adult black-legged kittiwake (Rissa tridactyla) in flight near Alexander Island in Franz Josef Land, Russia, Arctic Ocean, Eurasia

Chinstrap penguin (Pygoscelis antarctica), at breeding colony at Half Moon Island, Antarctica, Southern Ocean, Polar Regions

Adult gentoo penguin (Pygoscelis papua), on eggs at Port Lockroy, Antarctica, Southern Ocean, Polar Regions

Adult chinstrap penguins (Pygoscelis antarctica), mating at breeding colony on Half Moon Island, Antarctica, Polar Regions

Juvenile Galapagos hawk (Buteo galapagoensis) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

An Atlantic Puffin (Fratercula arctica), landing on a cliff in Borgarfjaroarhofn, Iceland, Polar Regions

An Atlantic Puffin (Fratercula arctica), on a cliff edge in Borgarfjaroarhofn, Iceland, Polar Regions

Black and white image of an Atlantic Puffin (Fratercula arctica), in Borgarfjaroarhofn, Iceland, Polar Regions

Adult red-footed booby (Sula sula) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Chinstrap penguin (Pygoscelis antarctica), ecstatic display at breeding colony at Half Moon Island, Antarctica, Polar Regions

Adult black noddy (Anous minutus) breeding site on Boatswain Bird Island just off Ascension Island, South Atlantic Ocean

Green Sea Turtle (Chelonia mydas) nesting site at night on Long Beach on Ascension Island, Tropical Atlantic Ocean, South Atlantic Ocean

Green Sea Turtle (Chelonia mydas) nesting site at night on Long Beach on Ascension Island, Tropical Atlantic Ocean, South Atlantic Ocean

Caspian Terns (Hydroprogne caspia) at breeding colony on Ile des Oiseaux in the Parc National du Delta du Saloum, UNESCO World Heritage Site, Senegal, West Africa, Africa

King penguins (Aptenodytes patagonicus) on the beach at breeding and nesting colony at Salisbury Plain in the Bay of Isles, South Georgia, Southern Ocean, Polar Regions

King penguins (Aptenodytes patagonicus) on the beach at breeding and nesting colony at Salisbury Plain in the Bay of Isles, South Georgia, Southern Ocean, Polar Regions

Adelie penguins (Pygoscelis adeliae), at breeding colony at Brown Bluff on the eastern side of the Antarctic Peninsula, Antarctica, Polar Regions

Adelie penguins (Pygoscelis adeliae), at breeding colony at Brown Bluff on the eastern side of the Antarctic Peninsula, Antarctica, Polar Regions

Black-browed albatross (Thalassarche melanophrys) chick, close-up, on the nest at nesting site on New Island, Falklands, South America

Black-browed albatross (Thalassarche melanophrys) chick on the nest at nesting site on New Island, Falklands, South America

First year Adelie penguin (Pygoscelis adeliae) chicks at breeding colony at Brown Bluff, Antarctica, Polar Regions

First year Adelie penguin (Pygoscelis adeliae) chicks at breeding colony at Brown Bluff, Antarctica, Polar Regions

Chinstrap penguin (Pygoscelis antarctica) breeding colony at Baily Head on Deception Island, Antarctica, Southern Ocean, Polar Regions

Chinstrap penguin (Pygoscelis antarctica) breeding colony at Baily Head on Deception Island, Antarctica, Southern Ocean, Polar Regions

Chinstrap penguin (Pygoscelis antarctica) breeding and molting at Half Moon Island, Antarctica, Southern Ocean, Polar Regions

Chinstrap penguin (Pygoscelis antarctica) molting at Baily Head on Deception Island, Antarctica, Southern Ocean, Polar Regions

Chinstrap penguin (Pygoscelis antarctica) breeding colony at Baily Head on Deception Island, Antarctica, Southern Ocean, Polar Regions

Chinstrap penguin (Pygoscelis antarctica) breeding colony at Baily Head on Deception Island, Antarctica, Southern Ocean, Polar Regions

Gentoo penguin (Pygoscelis papua) chicks covered with mud and guano on Cuverville Island, Antarctica, Southern Ocean, Polar Regions

Gentoo penguin (Pygoscelis papua) chicks covered with mud and guano on Cuverville Island, Antarctica, Southern Ocean, Polar Regions

Gentoo penguin (Pygoscelis papua) adults molting on Cuverville Island, Antarctica, Southern Ocean, Polar Regions

Gentoo penguins (Pygoscelis papua) hauled out in Port Foster, inside the caldera at Deception Island, Antarctica, Polar Regions

Gentoo penguin (Pygoscelis papua) nesting colony at Jougla Point on Wiencke Island, Antarctica, Southern Ocean, Polar Regions