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Guest from the Lindblad Expeditions ship National Geographic Sea Bird on path beside a skull in Southeast Alaska, United States of America, North America
Polar bear (Ursus Maritimus) on Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Dramatic clouds, Devon island, Nunavut, Canadian Arctic, Canada, North America
Pinnacle Rock on Bartolome Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Antarctic fur seal pups (Arctocephalus gazella) near the abandoned whaling station at Stromness Bay on South Georgia, Polar Regions
Adelie penguins (Pygoscelis adeliae), at breeding colony at Brown Bluff on the eastern side of the Antarctic Peninsula, Antarctica, Polar Regions
Adult Commerson's dolphin (Cephalorhynchus commersonii) surfacing, Carcass Island in the Falkland Islands, South America
Adelie penguins (Pygoscelis adeliae) hauled out onto the ice near Adelaide Island, Antarctica, Polar Regions
Expedition ship Expedition operating from Ushuaia, Argentina to the Antarctic Peninsula in Antarctica, Southern Ocean, Polar Regions
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) on Espanola Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Magdalena Island, Magallanes Region, Punta Arenas, Chile, South America
Adult female leopard seal (Hydrurga leptonyx) hauled out on an ice floe in Kayak Cove on Brabant Island, Antarctica, Polar Regions
Adelie penguin (Pygoscelis adeliae) on ice near Devil Island in the Weddell Sea near the Antarctic Peninsula, Antarctica, Polar Regions
Antarctic fur seal bull (Arctocephalus gazella) on South Georgia, Southern Ocean, Polar Regions
King penguins (Aptenodytes patagonicus) in downy plumage (okum boys) on South Georgia Island, Polar Regions
Cultivated fields adjoining the Obo Natural Park, Sao Tome Island, Republic of Sao Tome and Principe, Africa
Young whale shark (Rhincodon typus), filter feeding near snorkeler at El Mogote, Baja California Sur, Mexico, North America
A rare melanistic king penguin (Aptenodytes patagonicus), feeding its okum boy chick at Fortuna Bay, South Georgia Island, Polar Regions
Adelie penguin (Pygoscelis adeliae), at breeding colony at Brown Bluff on the eastern side of the Antarctic Peninsula, Antarctica, Polar Regions
Adelie penguins (Pygoscelis adeliae), with chinstrap penguins (Pygoscelis antarctica), on ice at Booth Island, Antarctica, Polar Regions
Views of the abandoned whaling station in Stromness Bay on South Georgia in the Southern Ocean, Polar Regions
A large pod of Gerlache Strait type B killer whales (Orcinus orca), traveling and socializing in Gerlache Strait, Antarctica, Polar Regions
Adult cape petrels (Daption capense), in flight near Deception Island, Antarctica, Southern Ocean, Polar Regions
Brunnich's guillemot (Uria lomvia) in flight near breeding and nesting site at Cape Fanshawe in Svalbard, Norway, Arctic, Europe
A juvenile polar bear (Ursus maritimus) skull, possibly predated by adult polar bear, in the Svalbard Archipelago, Norway, Arctic, Europe
Lava lizard (Microlophus spp) in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America
Blue-footed booby (Sula nebouxii) courtship behavior in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Adult gentoo penguin (Pygoscelis papua), porpoising for swimming speed near the Antarctic Peninsula, Southern Ocean, Polar Regions
Mountainous landscape, Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Polar bear (Ursus Maritimus) on Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Polar bear tracks, Baffin island, Nunavut, Canadian Arctic, Canada, North America
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
Adelie penguins (Pygoscelis adeliae), in snow storm at breeding colony at Brown Bluff, Antarctic Peninsula, Antarctica, Polar Regions
A small group of introduced reindeer (Rangifer tarandus) before eradication in Stromness Bay, South Georgia, Polar Regions
Black-browed albatross (Thalassarche melanophrys) adult feeding chick at nesting site on West Point Island, Falkland Islands, South America
Dead Adelie penguin (Pygoscelis adeliae) attacked and killed, but not eaten, by an Antarctic fur seal at Brown Bluff, Antarctica, Polar Regions
Argentine ship the Puerto Deseado operating from Ushuaia, Argentina to the Antarctic Peninsula in Antarctica, Southern Ocean, Polar Regions
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) on Espanola Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Guest from the Lindblad Expedition ship National Geographic Endeavour in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Baleen whale skeleton, most likely a young Bryde's whale, on lava flow in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
A small pod of Type B killer whales (Orcinus nanus) just outside Duse Bay in the Weddell Sea, Antarctica, Polar Regions
Adult male Magellan goose (upland goose) (Chloephaga picta), on New Island in the Falkland Islands, South Atlantic Ocean, South America
Adult bull southern elephant seal (Mirounga leonina) with females and pups at Gold Harbour on South Georgia Island, Polar Regions
Southern elephant seal (Mirounga leonina) pup interacting with curious king penguin at Gold Harbour on South Georgia, Polar Regions
Southern elephant seal (Mirounga leonina) weaner pup eye detail on the beach at Gold Harbour on South Georgia, Polar Regions
Adelie penguin (Pygoscelis adeliae), feeding chick at breeding colony at Brown Bluff, Antarctic Peninsula, Antarctica, Polar Regions
Common guillemot (Uria aalge) nesting on Bear Island (Bjornoya) in the Svalbard Archipelago, Norway, Arctic, Europe
Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station, Galapagos, UNESCO World Heritage Site, Ecuador, South America
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
By-the-wind sailors (Velella velella), floating by the hundreds on the surface of the sea outside Newport Beach, California, United States of America, North America
Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Adult black-browed albatross (Thalassarche melanophrys), in flight returning to nesting site on West Point Island, Falklands, South America
Views of the Chilean inactive research base Gonzalez Videla on Waterboat Point in Paradise Bay, Antarctica, Polar Regions
Views of the Vasilievbreen (Vasiliev Glacier), in Isbukta (Ice Bay) near the island of Spitsbergen in Svalbard, Norway, Arctic, Europe
Polar bear (Ursus Maritimus) on Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Adult Commerson's dolphin (Cephalorhynchus commersonii), surfacing in Stanley Harbor in the Falkland Islands, South America
Adult Commerson's dolphin (Cephalorhynchus commersonii) surfacing, Carcass Island in the Falkland Islands, South America
Adult female leopard seal (Hydrurga leptonyx) stalking juvenile Adelie penguins at Brown Bluff near the Antarctic Peninsula, Antarctica, Polar Regions
Dead Adelie penguin (Pygoscelis adeliae) attacked and killed, but not eaten, by an Antarctic fur seal at Brown Bluff, Antarctica, Polar Regions
Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Crabeater seal (Lobodon carcinophaga) hauled out on ice floe near the Antarctic Peninsula, Antarctica, Polar Regions
Captive Galapagos giant tortoises (Chelonoidis spp), Charles Darwin Research Station, Santa Cruz Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Macaroni penguins (Eudyptes chrysolophus) scrambling up steep cliffs at Hercules Bay on South Georgia Island, Polar Regions
British Antarctic Survey (BAS) research plane landing at the Chilean Research base Frei on King George Island, Antarctica, Polar Regions
An adult polar bear (Ursus maritimus) swimming and hauling itself onto ice floe in the Svalbard Archipelago, Norway, Arctic, Europe
Lava lizard (Microlophus spp) in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America
A small pod of killer whales (Orcinus orca) off Ascension Island in the Tropical Atlantic Ocean, South Atlantic Ocean
Adult Weddell seal (Leptonychotes weddellii) hauled out on ice near the Antarctic Peninsula, Southern Ocean, Polar Regions
Antarctic tern (Sterna vittata) in brash ice near the Antarctic Peninsula, Antarctica, Southern Ocean, Polar Regions
Former British Base A, now a museum and post office at Port Lockroy on tiny Goudier Island, Antarctica, Polar Regions
Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Lava lizard (Microlophus spp) in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America
Crabeater seal (Lobodon carcinophaga) swimming near iceberg at Booth Island near the Antarctic Peninsula, Antarctica, Polar Regions
Adult king penguins (Aptenodytes patagonicus) returning from sea to the nesting colony at Salisbury Plain, South Georgia, Polar Regions
Lava lizard (Microlophus spp) in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America
Adult Swallow-tailed gull (Creagrus furcatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Killer whale pod (Orcinus orca), beside tourists in inflatables off Punta Colorada, Isla San Jose, Baja California Sur, Mexico, North America
Captive Galapagos giant tortoises (Chelonoidis spp), Charles Darwin Research Station, Santa Cruz Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Captive Galapagos giant tortoise (Chelonoidis spp), Charles Darwin Research Station, Santa Cruz Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Gentoo penguin (Pygoscelis papua), breeding colony at the Chilean Research Station Base Gonzalez Videla, Antarctica, Polar Regions
Gonzalez Videla Base, a Chilean Research Station in Paradise Bay, Antarctica, Polar Regions
Captive Galapagos giant tortoise (Chelonoidis spp), Charles Darwin Research Station, Santa Cruz Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Captive Galapagos giant tortoises (Chelonoidis spp), Charles Darwin Research Station, Santa Cruz Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Close-up of foot of captive Galapagos giant tortoise (Chelonoidis spp), Charles Darwin Research Station, Santa Cruz Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Monkey Island research park, Hainan Province, China, Asia
Monkey Island research park, Hainan Province, China, Asia
Adult killer whales (Orcinus orca) near research boat in the Monterey Bay National Marine Sanctuary, California, United States of America, North America
Killer whales (Orcinus Orca) research, wintertime, Tysfjord, Arctic, Norway, Scandinavia, Europe
A grey wolf radio collared as part of a tracking program on the tundra in autumn in Denali National Park, Alaska, United States of America, North America
A grey wolf radio collared as part of a tracking program on the tundra in autumn in Denali National Park, Alaska, United States of America, North America
Researcher Stephanie Martin takes a blubber biopsy using an arrow fired from a crossbow of an adult blue whale (Balaenoptera musculus), South Orkney islands, Antarctica, Southern Ocean
Captive Galapagos giant tortoise (Geochelone elephantopus) with photographer at the Charles Darwin Research Station on Santa Cruz Island in the Galapagos Island Archipelago, Ecuador
Young Captive Galapagos giant tortoise (Geochelone elephantopus) being fed at the tortuguero breeding station, Puerto Villamil on Isabela Island in the Galapagos Island Archipelago, Ecuador
Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station on Santa Cruz Island in the Galapagos Island Archipelago, Ecuador
Whale shark researcher and Whale Shark , Rhincodon typus, Mahe, Seychelles, Indian Ocean
Whale shark researcher snorkelling underwater with Whale Shark
Research diver approaching manta birostris to record detail in research program, Project Elasmo. Pacific Ocean, Ecuador
Research diver approaching manta birostris to record detail in research program, Project Elasmo. Pacific Ocean, Ecuador
Giant manta ray, Isla de la Plata Ecuador. Portrait shot of Manta birostris approaching camera. Pacific Ocean, Ecuador