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

Galapagos Giant Tortoise (Chelonoidis chathamensis), can live for over 100 years, on San Cristobal island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Adult Sally lightfoot crab (Grapsus grapsus), preparing to molt on Fernandina Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

African sacred ibis (Threskiornis aethiopicusi), in flight inside Ngorongoro Crater, UNESCO World Heritage Site, Tanzania, East Africa, Africa

Adult American flamingo (Phoenicopterus ruber) feeding on artesmia shrimp, Rabida Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

A sally lightfoot molt on a pyroclastic bomb in the eruption tuff on Isabela Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

An invasive paper wasp colony growing at the Granja Integral Ochoa hydroponics farm, Santa Cruz Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Pronghorn antelope (Antilocapra americana) in Lamar Valley, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Pinnacle Rock, a volcanic plug on Bartolome Island, one of the most spectacular features of the Galapagos islands, UNESCO World Heritage Site, Ecuador, South America

Tufted gray langurs (Semnopithecus priam), grooming each other in Polonnaruwa, UNESCO World Heritage Site, Sri Lanka, Asia

Gharial (Gavialis gangeticus) (gavial) in the water, a Critically Endangered species, Crocodylidae Family, Chitwan National Park, UNESCO World Heritage Site, Nepal, Asia

Greater Flamingo (Phoenicopterus roseus), Lake Ndutu, Ngorongoro Conservation Area, UNESCO World Heritage Site, Tanzania, East Africa, Africa

Plains zebras (Equus quagga), inside Ngorongoro Crater, UNESCO World Heritage Site, Tanzania, East Africa, Africa

Adult green sea turtle (Chelonia mydas), feeding on algae near Fernandina Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

A pair of American flamingo (Phoenicopterus ruber) feeding on artesmia shrimp, Rabida Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult flightless cormorant (Nannopterum harris), Isabela Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

An adult Galapagos bullhead shark (Heterodontus quoyi), Buccaneer Cove, Santiago Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

An adult Sally lightfoot crab (Grapsus grapsus), in Baltra, Bacha Beach on Santa Cruz Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Red footed booby and chick, Isla Genovesa, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Black bear (Ursus americanus) cub of the year in the fall, Jasper National Park, UNESCO World Heritage Site, Alberta, Canada, North America

Adult Nazca booby (Sula granti), at Punta Suarez, Isla Espanola, Galapagos, UNESCO World Heritage Site, Ecuador, South America

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

Adult spotted hyena (Crocuta crocuta), with wildebeests in Serengeti National Park, UNESCO World Heritage Site, Tanzania, East Africa, Africa

Bull Elk (Wapiti), Banff National Park, UNESCO World Heritage Site, Alberta, Canadian Rockies, Canada, North America

Adult male Galapagos lava lizard (Microlophus albemarlensis), on Fernandina Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Galapagos marine iguana (Amblyrhynchus cristatus), Galapagos lava lizard (Microlophus albemarlensis), Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult Galapagos marine iguana (Amblyrhynchus cristatus), basking on Fernandina Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult American flamingo (Phoenicopterus ruber) feeding on artesmia shrimp, Rabida Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

An adult Galapagos penguin (Spheniscus mendiculus), on the rocks in Urbina Bay, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Galapagos sea lion (Zalophus wollebaeki) adult bull, Fernandina Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Snow covered bison (Bison bison), Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Opuntia (Prickly Pear) cacti on South Plaza island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

River otter (Lontra canadensis), peering over ice, with reflection, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

A tufted gray langur (Semnopithecus priam), in Polonnaruwa, UNESCO World Heritage Site, Sri Lanka, Asia

Bison (Bison bison) in fog, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Bull elk (Cervus canadensis) licking his nose in the fall, Banff National Park, UNESCO World Heritage Site, Alberta, Canada, North America

Common zebras (Equus quagga) crossing Lake Ndutu, Serengeti, UNESCO World Heritage Site, Tanzania, East Africa, Africa

A group of adult Antarctic shags (Leucocarbo bransfieldensis), at breeding site on Booth Island, Antarctica, Polar Regions

Adult Atlantic puffins (Fratercula arctica), gathering above the nest site on Grimsey Island, Iceland, Polar Regions

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 an adult Galapagos land iguana (Conolophus subcristatus), foot detail, on North Seymour Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult American flamingo (Phoenicopterus ruber) feeding on artesmia shrimp, Rabida Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

A pair of American flamingo (Phoenicopterus ruber) feeding on artesmia shrimp, Rabida Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult Blue-footed booby (Sula nebouxii) on egg on North Seymour Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

An adult giant hawkfish (Cirrhitus rivulatus), on the reef at Buccaneer Cove, Santiago Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Greater flamingos (Phoenicopterus ruber) on Lake Ndutu, Ngorongoro Conservation Area, UNESCO World Heritage Site, Serengeti, Tanzania, East Africa, Africa

Great frigate bird (Frigata minor), Isla Genovesa, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Huge numbers of Indian hog deer (Hyelaphus porcinus), Kaziranga National Park, UNESCO World Heritage Site, Assam, India, Asia

Rock covered in barnacles, First Beach at dawn, Olympic National Park, UNESCO World Heritage Site, Washington State, United States of America, North America

Adult humpback whales (Megaptera novaeangliae), surfacing in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America

Curious Steller sea lions (Eumetopias jubatus), South Marble Islands, Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America

Chinstrap penguin (Pygoscelis antarcticus), nesting site high on the hill in Orne Harbor, Antarctica, Polar Regions

Adult female Galapagos sea lion (Zalophus wollebaeki), face detail on Rabida Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

An adult pronghorn (Antilocapra americana), in sagebrush in Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Adult bison (Bison bison) crossing the highway in Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Frozen bison (Bison bison), in snowy field, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Two river otters (Lontra canadensis), running on snow and ice, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Adult red-billed tropicbird (Phaethon aethereus) in flight at nest site on Isla San Pedro Martir, Baja California, Mexico, North America

Opuntia (Prickly Pear) cacti on South Plaza island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Frozen bison (Bison bison), sticking out tongue, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

River otter (Lontra canadensis), standing on ice, with reflection, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Giant tortoise (Geochelone elephantopus vandenburghi), Isla Sant Cruz, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

A young tufted gray langur (Semnopithecus priam), in Polonnaruwa, UNESCO World Heritage Site, Sri Lanka, Asia

Adult imperial shag (Phalacrocorax atriceps) landing at nest site on New Island, Falkland Islands, U.K. Overseas Protectorate, South America

Adult yellow-rumped cacique (Cacicus cela), at nest site on Belluda Cano, Amazon Basin, Loreto, Peru.

African elephant (Loxodonta africana), Seronera, Serengeti National Park, UNESCO World Heritage Site, Tanzania, East Africa, Africa

Common zebras (Equus quagga) in the Ngorongoro Crater, Ngorongoro Conservation Area, UNESCO World Heritage Site, Tanzania, East Africa, Africa

Common zebras (Equus quagga) in the Ngorongoro crater, Ngorongoro Conservation Area, UNESCO World Heritage Site, Tanzania, East Africa, Africa

Adult Atlantic puffins (Fratercula arctica), returning to the nest site with fish (sand eels) for its chick on Grimsey Island, Iceland, Polar Regions

Adult green sea turtle (Chelonia mydas), feeding on algae near Fernandina Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

An adult Galapagos racer (Pseudalsophis biserialis), at Punta Pitt, San Cristobal Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult Galapagos marine iguana (Amblyrhynchus cristatus), basking on North Seymour Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Galapagos marine iguana (Amblyrhynchus cristatus), Galapagos lava lizard (Microlophus albemarlensis), Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Juvenile brown pelicans (Pelecanus occidentalis), in Buccaneer Cove, Santiago Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

A pair of adult Galapagos penguins (Spheniscus mendiculus), on the rocks in Urbina Bay, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Close up of Puffins, Puffin bird viewing site in Elliston, Bonavista Peninsula, Newfoundland, Canada, North America

Adult common guillemot (Uria aalge) taking flight at nesting site on the cliffs at Bjornoya, Svalbard, Norway, Europe

Giant tortoise (Geochelone elephantopus vandenburghi), Isla Sant Cruz, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Giant tortoise (Geochelone elephantopus vandenburghi), Isla Sant Cruz, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Snow covered bison (Bison bison), Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Adult imperial shag (Phalacrocorax atriceps) landing at nest site on New Island, Falkland Islands, U.K. Overseas Protectorate, South America

Migrating plains zebras (Equus quagga) and wildebeests (Connochaetes taurinus), crossing Lake Ndutu, Serengeti, UNESCO World Heritage Site, Tanzania, East Africa, Africa

African elephant (Loxodonta africana), Seronera, Serengeti National Park, UNESCO World Heritage Site, Tanzania, East Africa, Africa

Plains zebras (Equus quagga) in Serengeti National Park, UNESCO World Heritage Site, Tanzania, East Africa, Africa

Wild Galapagos giant tortoise (Chelonoidis spp), found in Urbina Bay, Isabela Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Galapagos marine iguana (Amblyrhynchus cristatus), Galapagos lava lizard (Microlophus albemarlensis), Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult Blue-footed booby (Sula nebouxii), in flight on North Seymour Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Juvenile brown pelican (Pelecanus occidentalis), in Buccaneer Cove, Santiago Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult Blue-footed boobies (Sula nebouxii) pair on egg on North Seymour Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult brown noddies (Anous stolidus), on rocky outcropping on Isabela Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult flightless cormorant (Nannopterum harris), underwater at Fernandina Island, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Close up of a Puffin, Puffin bird viewing site in Elliston, Bonavista Peninsula, Newfoundland, Canada, North America

Close up of a Puffin, Puffin bird viewing site in Elliston, Bonavista Peninsula, Newfoundland, Canada, North America