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Southern stingray (Hypanus americanus) being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize

Southern stingray (Hypanus americanus) over sand in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize

Southern stingray (Hypanus americanus) with snorkeler in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize

Southern elephant seal pup (Mirounga leoninar), on the beach at dawn in Gold Harbor, South Georgia, Polar Regions

Adult southern rockhopper penguins (Eudyptes chrysocome), at breeding colony on West Point Island, Falklands, South America

Macaroni penguins (Eudyptes chrysolophus) scrambling up steep cliffs at Hercules Bay on South Georgia Island, Polar Regions

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

Beachmaster bull southern elephant seal (Mirounga leonina) attempting to mate at Peggotty Bluff, South Georgia, Polar Regions

Views of the abandoned whaling station in Stromness Bay on South Georgia in the Southern Ocean, Polar Regions

Views of the abandoned whaling station in Stromness Bay on South Georgia in the Southern Ocean, Polar Regions

Views of the Catholic church at the Chilean research base Presidente Eduardo Frei Montalva, Antarctica, Southern Ocean, Polar Regions

Views of the Trinity Church at Belingshausen Russian Research Station, Antarctica, Southern Ocean, Polar Regions

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

Young adult bull southern elephant seal (Mirounga leonina) close up while swimming in glacier run off, South Georgia Island, Polar Regions

Young challenger bull southern elephant seal (Mirounga leonina) fleeing from beachmaster bull, South Georgia Island, Polar Regions

Adult bull southern elephant seal (Mirounga leonina) mating in the surf at Gold Harbour on South Georgia Island, Polar Regions

Adult bull southern elephant seal (Mirounga leonina) issuing a bellow towards another male, Gold Harbour, South Georgia, Polar Regions

Southern elephant seal (Mirounga leonina) pup nursing at Gold Harbour on South Georgia Island in the Southern Ocean, Polar Regions

Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions

Southern elephant seal (Mirounga leonina) bull holding adult female in the surf to mate with her, South Georgia, Polar Regions

Views of the abandoned whaling station in Stromness Bay on South Georgia in the Southern Ocean, Polar Regions

Southern elephant seal (Mirounga leonina) challenger bull head detail at Gold Harbour on South Georgia Island, Polar Regions

Southern elephant seal (Mirounga leonina) weaner pups sleeping on the beach at Gold Harbour on South Georgia, Polar Regions

Adult snowy sheathbill (Chionis albus), pair in front of the hut at Port Lockroy, Antarctica, Southern Ocean, Polar Regions

View of tidewater glacier deep inside Neko Harbor on the western side of the Antarctic Peninsula, Southern Ocean, Polar Regions

View of sun halo inside Neko Harbor on the western side of the Antarctic Peninsula, Southern Ocean, Polar Regions

Southern right whale (Eubalaena australis) adult female flukes-up to catch the wind in Puerto Pyramides, Argentina, South America

Southern right whale (Eubalaena australis) adult female surfacing head on in Puerto Pyramides, Golfo Nuevo, Argentina, South America

Southern right whale (Eubalaena australis) flukes-up dive near whale watching boat in Puerto Pyramides, Argentina, South America

Southern right whale (Eubalaena australis) adult female flukes-up to catch the wind in Puerto Pyramides, Argentina, South America

Southern right whale (Eubalaena australis) adult female lifting both her head and flukes out of the water, Argentina, South America

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

View of snow-covered Half Moon Island in the South Shetland Group, Antarctica, Southern Ocean, Polar Regions

Icebergs near the Antarctic Peninsula during the summer months, Antarctica, Southern Ocean, Polar Regions

Icebergs near the Antarctic Peninsula during the summer months, Antarctica, Southern Ocean, Polar Regions

Icebergs near the Antarctic Peninsula during the summer months, Antarctica, Southern Ocean, Polar Regions

Adult gentoo penguins (Pygoscelis papua), returning and coming from the sea at Booth Island, Antarctica, Southern Ocean, Polar Regions

Weddell Seal (Leptonychotes weddellii), hauled out on ice at Half Moon Island, Antarctica, Southern Ocean, Polar Regions

Adult gentoo penguin (Pygoscelis papua), feeding chicks at Brown Bluff near the Antarctic Peninsula, Southern Ocean, Polar Regions

Tabular icebergs in and around the Weddell Sea during the summer months, Antarctica, Southern Ocean, Polar Regions

Adult gentoo penguins (Pygoscelis papua), squabble at Booth Island, Antarctica, Southern Ocean, Polar Regions

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

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

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

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

Southern elephant seals (Mirounga leonina), hauled out for their annual catastrophic molt (moult) on the beach at Snow Island, Antarctica, Polar Regions

Adult leopard seal (Hydrurga leptonyx), hauled out on ice floe at Dorian Bay near the Antarctic Peninsula, Southern Ocean, Polar Regions

Southern elephant seals (Mirounga leonina), hauled out for their annual catastrophic molt (moult) on the beach at Snow Island, Antarctica, Polar Regions

Adult gentoo penguin (Pygoscelis papua), leaping off ice shelf at Cuverville Island, Antarctica, Southern Ocean, Polar Regions

View of the Argentine base Almirante Brown, named after Guillermo Brown of the Argentine Navy, Paradise Bay, Antarctica, Polar Regions

Adult gentoo penguin (Pygoscelis papua), returning from the sea at Booth Island, Antarctica, Southern Ocean, Polar Regions

Adult gentoo penguins (Pygoscelis papua), returning and coming from the sea at Booth Island, Antarctica, Southern Ocean, Polar Regions

Weddell Seal (Leptonychotes weddellii), hauled out on ice at Half Moon Island, Antarctica, Southern Ocean, Polar Regions

Adult gentoo penguins (Pygoscelis papua), returning and coming from the sea at Booth Island, Antarctica, Southern Ocean, Polar Regions

Adult gentoo penguins (Pygoscelis papua), returning and coming from the sea at Booth Island, Antarctica, Southern Ocean, Polar Regions

Adult gentoo penguin (Pygoscelis papua), feeding chicks at Brown Bluff near the Antarctic Peninsula, Southern Ocean, Polar Regions

A dawn view of Boatswain Bird Island just off Ascension Island in the southern tropical Atlantic Ocean, South Atlantic Ocean

A dawn Zodiac tour of Boatswain Bird Island just off Ascension Island in the southern tropical Atlantic Ocean, South Atlantic Ocean

Flying fish from the family Exocoetidae take flight as the ship flushes them just off Ascension Island in the southern tropical Atlantic Ocean, South Atlantic Ocean

Flying fish from the family Exocoetidae take flight as the ship flushes them just off Ascension Island in the southern tropical Atlantic Ocean, South Atlantic Ocean

View of massive die-off of black triggerfish on the beach on Ascension Island in the southern tropical Atlantic Ocean, South Atlantic Ocean

Antarctic fur seal pup (Arctocephalus gazella) on Prion Island in the Bay of Isles on South Georgia, Southern Ocean, Polar Regions

Leucistic caused by lack of melanin, or blond Antarctic fur seal pup (Arctocephalus gazella) on South Georgia, Southern Ocean, Polar Regions

Antarctic fur seal pup (Arctocephalus gazella) near the abandoned whaling station at Stromness Bay on South Georgia, Polar Regions

Antarctic fur seal pups (Arctocephalus gazella) playing in Fortuna Bay on South Georgia, Southern Ocean, Polar Regions

Antarctic fur seal pups (Arctocephalus gazella) playing in Fortuna Bay on South Georgia, Southern Ocean, Polar Regions

Antarctic fur seal pups (Arctocephalus gazella) playing in Fortuna Bay on South Georgia, Southern Ocean, Polar Regions

Antarctic fur seal pup (Arctocephalus gazella) playing in Fortuna Bay on South Georgia, Southern Ocean, Polar Regions

King penguin (Aptenodytes patagonicus) breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions

King penguin (Aptenodytes patagonicus) breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions

King penguin (Aptenodytes patagonicus) with skua at breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions

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

King penguin (Aptenodytes patagonicus) 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

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

King penguin (Aptenodytes patagonicus) breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions

King penguin (Aptenodytes patagonicus) breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions

King penguin (Aptenodytes patagonicus) detail at breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions

King penguin (Aptenodytes patagonicus) mating behavior at breeding and nesting colony at St. Andrews Bay on South Georgia, Southern Ocean, Polar Regions

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

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

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

King penguins (Aptenodytes patagonicus) swimming near 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

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

Adult macaroni penguin (Eudyptes chrysolophus) porpoising for speed while traveling to their breeding colony on South Georgia, Southern Ocean, Polar Regions

King penguins (Aptenodytes patagonicus) at breeding and nesting colony at Right Whale Bay, South Georgia, Polar Regions

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

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

Views of the glaciers and mountains of Drygalski Fjord on the southeast side of South Georgia, Southern Ocean, Polar Regions

Views of the glaciers and mountains of Drygalski Fjord on the southeast side of South Georgia, Southern Ocean, Polar Regions

Adult brown Skua (Catharacta antarctica), in flight near the Antarctic peninsula in the Southern Ocean, Antarctica, Polar Regions

Adult brown skuas, working together to steal a penguin egg near the Antarctic peninsula in the Southern Ocean, Antarctica, Polar Regions

Views of a waterfall in Fortuna Bay on the northern coast of South Georgia, Southern Ocean, Polar Regions

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