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Scarlet Macaw (Ara macao) in flight, Corcovado National Park, Osa Peninsula, Costa Rica
Military macaw (Ara militaris) feathers, close-up, Costa Rica, Central America
Military macaw (Ara militaris) feathers, close-up, Costa Rica, Central America
Red eyed tree frog (Agalychins callydrias) climbing green stem, Sarapiqui, Costa Rica
The grassland prairie near Dead Wash in Petrified Forest, Arizona, United States of America
Pieces of petrified wood on hills overlooking Dead Wash, Petrified Forest National Park, Arizona, United States of America
Desert Spiny Lizard (Sceloporus magister) in Sand Hollow State Park near St. George, Utah, United States of America
O'Leary Peak, Coconino National Forest, Arizona, USA
Single Variable Oystercatcher Probing Sand with Beak in Shallow Water, Abel Tasman, New Zealand
Black Oystercatcher Digging in Orange Sand for Food Near Shoreline at Abel Tasman National Park, New Zealand
Chestnut-mandibled Toucan (Ramphastos swainsonii) feeding on a smaller bird, Sarapiqui, Costa Rica
Feathers of a blue and gold macaw (Ara ararauna), Costa Rica, Central America
Collared Aracari (Pteroglossus torquatus), Costa Rica, Central America
Collared Aracari (Pteroglossus torquatus), Costa Rica, Central America
Scarlet Macaws (Ara macao) perching on a tree, Corcovado National Park, Osa Peninsula, Costa Rica
Scarlet Macaw (Ara macao) perching on a tree, Corcovado National Park, Osa Peninsula, Costa Rica
Blue jeans dart frogs (Dendrobates pumilio) on a leaf, Costa Rica, Central America,
Scarlet Macaws (Ara macao) perching on a tree, Corcovado National Park, Osa Peninsula, Costa Rica
Blue jeans dart frogs (Dendrobates pumilio) on a leaf, Costa Rica
Rufous-tailed hummingbird (Amazilia tzacatl) on branch, Sarapiqui, Costa Rica
Green Iguana (Iguana Iguana), La Fortuna, Costa Rica, Central America
Chestnut-mandibled Toucan (Ramphastos swainsonii) perching on a tree, Corcovado National Park, Osa Peninsula, Costa Rica
Red eyed tree frog (Agalychins callydrias) on yellow flower, Costa Rica
Rufous-tailed hummingbird (Amazilia tzacatl) on branch, Sarapiqui, Costa Rica, Central America
Red-eyed Tree frogs (Agalychins callydrias) together, Costa Rica
Iguana at Edzna Archaeological Site, Campeche State, Mexico
Crab, Tsarabanjina island, Mitsio archipelago, Republic of Madagascar, Indian Ocean
Boa, Acrantophis madagascariensis, Strict Nature Reserve of Lokobe, National Park, Nosy Be island, Republic of Madagascar, Indian Ocean
A long-beaked common dolphin (Delphinus capensis), surfacing off Gorda Banks, Baja California Sur, Mexico, North America
Adult brown pelican (Pelecanus occidentalis), in flight, Isla Carmen, Baja California Sur, Mexico, North America
Chameleon, Nosy Be island, Republic of Madagascar, Indian Ocean
Tree detail, Scotland
Stag, Rannoch Moor, Scotland
Stag, Rannoch Moor, Scotland
Stag, Rannoch Moor, Scotland
Stag, Rannoch Moor, Scotland
Dunes at Souss-Massa National Park, Atlantic coast, Morocco
Adult Imperial Shag (Phalacrocorax (atriceps) atriceps) exhibiting intense breeding plumage, New Island, Falkland Islands
Southern Right Whale (Eubalaena australis) adult surfacing near Puerto Pyramides, Peninsula Valdez, Argentina
Peaceful Deer in the Forest, Nara, Honshu, Japan
Female Great Curassow (Crax rubra) walking on grass, Costa Rica
Ruddy Turnstone (Arenaria Interpres), a small cosmopolitan wading bird, Bermuda
Nurse sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Adult brown bear (Ursus arctos) feeding on humpback whale carcass in Glacier Bay National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
American Crocodiles (Crocodylus acutus) bathing, Tarcoles river, Jaco, Costa Rica
Black spiny tailed Iguana (Ctenosaur similis) crawling, Manuel Antonio National Park, Puntarenas Province, Costa Rica
Green and Black poison dart frog, (Dendrobates auratus), Costa Rica
Sand dunes, Nagliai Nature Reserve, Curonian Spit, Lithuania, Baltic States, North Europe
Adult black-browed albatross (Thalassarche melanophrys), trio in courtship display at nesting site on New Island, Falklands, South America
Adult black-browed albatross (Thalassarche melanophrys), pair in courtship display at nesting site on New Island, Falklands, South America
Creative motion blur image of adult king penguins (Aptenodytes patagonicus) returning to the sea on South Georgia, Polar Regions
Adult king penguins (Aptenodytes patagonicus) amongst chicks at breeding colony at Gold Harbour, South Georgia Island, Polar Regions
Macaroni penguins (Eudyptes chrysolophus) scrambling up steep cliffs at Hercules Bay on South Georgia Island, Polar Regions
A small group of reindeer (Rangifer tarandus) near the abandoned whaling station in Stromness Bay, South Georgia, Polar Regions
Penguins, Gansbaai, Western Cape, South Africa, Africa
Antarctic shag (Phalacrocorax atriceps bransfieldensis), in flight with nesting material in its beak at Jougla Point, Antarctica, Polar Regions
Three Blue-headed parrots (Pionus menstruus) perching on tree, Tambopata National Reserve, Puerto Maldonado, Tambopata Province, Madre de Dios, Peru, South America
Adelie penguins (Pygoscelis adeliae), with chinstrap penguins (Pygoscelis antarctica), on ice at Booth Island, Antarctica, Polar Regions
Adelie penguins (Pygoscelis adeliae), with chinstrap penguins (Pygoscelis antarctica), on ice at Booth Island, Antarctica, Polar Regions
Adult beachmaster bull southern elephant seal (Mirounga leonina) challenging another male at Gold Harbour, South Georgia, Polar Regions
Southern elephant seal (Mirounga leonina) weaner pups sleeping on the beach at Gold Harbour on South Georgia, Polar Regions
Seal pup, Outer Hebrides, Scotland, United Kingdom, Europe
Adelie penguin (Pygoscelis adeliae), feeding chick at breeding colony at Brown Bluff, Antarctic Peninsula, Antarctica, Polar Regions
A rare sighting of an adult female sea otter (Enhydra lutris kenyoni) hauled out on land in Inian Pass, Southeastern Alaska, Pacific Ocean, United States of America, North America
A large stand of Arctic cotton (Eriophorum callitrix) in Franz Josef Land, Russia, Arctic Ocean, Eurasia
A newly discovered ivory gull (Pagophila eburnea) breeding colony on Alexander Island in Franz Josef Land, Russia, Eurasia
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 chinstrap penguin (Pygoscelis antarctica), at breeding colony at Half Moon Island, Antarctica, Polar Regions
Adult black-legged kittiwakes (Rissa tridactyla) resting on ice in the Svalbard Archipelago, Barents Sea, Norway, Arctic, Europe
Brunnich's guillemot (Uria lomvia) breeding and nesting site at Cape Fanshawe in the Svalbard Archipelago, Norway, Arctic, Europe
An adult polar bear (Ursus maritimus) swimming and hauling itself onto ice floe in the Svalbard Archipelago, Norway, Arctic, Europe
Lava lizard (Microlophus spp) courtship behavior in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Adult great blue heron (Ardea herodias cognata) feeding on green sea turtle hatchlings, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Greater flamingo (Phoenicopterus ruber) foraging for small pink shrimp in saltwater lagoon in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Adult red-footed booby (Sula sula) returning to the nest site with nest building material in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Adult red-footed booby (Sula sula) returning to the nest site with nest building material in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Adult red-footed booby (Sula sula) returning to the nest site in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Young Galapagos sea lion bulls (Zalophus wollebaeki) mock-fighting in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
A myriad of hard and soft corals, as well as tropical reef fish at Vatu-I-Ra Conservation Park on Viti Levu, Fiji, South Pacific, Pacific
Adult gentoo penguin (Pygoscelis papua), porpoising for swimming speed near the Antarctic Peninsula, Southern Ocean, Polar Regions
White-faced heron (Egretta novaehollandiae), looking for insects at the Volivoli Resort grounds on Viti Levu, Fiji, South Pacific, Pacific
Polar bear (Ursus Maritimus) on Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Polar bear (Ursus Maritimus) on Axel Heiberg island, Nunavut, Canadian Arctic, Canada, North America
Adult wandering albatross (Diomedea exulans) in flight near the Tristan da Cunha Group, South Atlantic Ocean
Views of visitor lodging on Ile des Oiseaux (Bird Island) in the Parc National du Delta du Saloum, UNESCO World Heritage Site, Senegal, West Africa, Africa
Adult South Georgia Pipit (Anthus antarcticus) feeding at low tide on Prion Island, Bay of Isles, South Georgia, Polar Regions
Antarctic fur seal pup (Arctocephalus gazella) near the abandoned whaling station at Stromness Bay on South Georgia, Polar Regions
Antarctic fur seal pup (Arctocephalus gazella) near the abandoned whaling station at Stromness Bay on South Georgia, Polar Regions
Leucistic caused by lack of melanin, or blond Antarctic fur seal pup (Arctocephalus gazella) on South Georgia, 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
Adelie penguins (Pygoscelis adeliae), in snow storm at breeding colony at Brown Bluff, Antarctic Peninsula, Antarctica, Polar Regions
Adult Commerson's dolphin (Cephalorhynchus commersonii) surfacing, Carcass Island in the Falkland Islands, South America
Adult black-crowned night-heron (Nycticorax nycticorax falklandicus) on Carcass Island in the Falkland Islands, South America