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Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Green sea turtle (Chelonia mydas), feeding on the sand near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
Green sea turtle (Chelonia mydas), surfacing for air near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
Adult male green iguana (Iguana iguana), on New River near Lamanai, Belize
Adult male green iguana (Iguana iguana), on New River near Lamanai, Belize
Adult male green iguana (Iguana iguana), on New River near Lamanai, Belize
A pair of Mesoamerican sliders (Trachemys venusta), on New River near Lamanai, Belize
Northern (Steller) sea lion (Eumetopias jubatus) close-up eating a halibut in Southeastern Alaska, United States of America
Adult sea otter (Enhydra lutris kenyoni) mother and pup in Inian Pass, Southeastern Alaska, United States of America
Adult bald eagle (Haliaeetus leucocephalus) perched in Sitka spruce tree, Southeast Alaska, United States of America
African forest elephant (Loxodonta cyclotis), Dzanga Bai, Dzanga Sangha National Park, UNESCO, Central African Republic
African forest elephant (Loxodonta cyclotis), Dzanga Bai, Dzanga Sangha National Park, UNESCO, Central African Republic
African forest elephant (Loxodonta cyclotis), Dzanga Bai, Dzanga Sangha National Park, UNESCO, Central African Republic
African forest elephant (Loxodonta cyclotis), Dzanga Bai, Dzanga Sangha National Park, UNESCO, Central African Republic
Johns Hopkins Glacier, Glacier Bay National Park in Southeast Alaska, United States of America
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Southeast Alaska, United States of America
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Southeast Alaska, United States of America
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Southeast Alaska, United States of America
Dead and dying pink salmon (Oncorhynchus gorbuscha) gathering after the spawn just outside of Sitka, Alaska, United States of America
Dead and dying pink salmon (Oncorhynchus gorbuscha) gathering after the spawn just outside of Sitka, Alaska, United States of America
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Southeast Alaska, United States of America
Adult humpback whales (Megaptera novaeangliae) co-operatively bubble-net feeding in Southeast Alaska, United States of America
Adult brown bears (Ursus arctos) feeding on humpback whale carcass, Scidmore Cut, Glacier Bay National Park, Alaska, United States of America
Adult brown bear pair (Ursus arctos) exhibiting courtship behavior at Scidmore Cut in Glacier Bay National Park, Alaska, United States of America
Adult brown bear pair (Ursus arctos) mock-fighting at Scidmore Cut in Glacier Bay National Park, Alaska, United States of America
Adult brown bear (Ursus arctos) feeding on salmon at Iyoukeen Cove on Chichagof Island, Alaska, United States of America
Adult brown bear (Ursus arctos) feeding on humpback whale carcass in Glacier Bay National Park, Alaska, United States of America
Adult brown bear pair (Ursus arctos) mock-fighting at Scidmore Cut in Glacier Bay National Park, Alaska, United States of America
A small pod of killer whales (Orcinus orca) encountered in Glacier Bay National Park, Southeast Alaska, United States of America
Harbor seal (Phoca vitulina) hauled out on submerged log in Misty Fjords National Monument, Southeast Alaska, United States of America
Harbor seals (Phoca vitulina) hauled out on submerged log in Misty Fjords National Monument, Southeast Alaska, United States of America
Harbor seal (Phoca vitulina) hauled out on submerged log in Misty Fjords National Monument, Southeast Alaska, United States of America
An adult Pacific white-sided dolphin (Lagenorhynchus obliquidens) leaping in Johnstone Strait, British Columbia, Canada
An adult Pacific white-sided dolphin (Lagenorhynchus obliquidens) bow-riding in Johnstone Strait, British Columbia, Canada
Adult bearded seal (Erignathus barbatus) swimming amongst the ice in the Svalbard Archipelago, Norway
Adult polar bear (Ursus maritimus) in Holmabukta on the northwest coast of Spitsberge, Svalbard Archipelago, Norway
Seagulls nesting on a rocky cliff in Staithes, North Yorkshire, England, United Kingdom
Kori Bustard (Ardeotis kori ) flying, Chobe River, Botswana
African Dusky Flycatcher (Muscicapa adusta), Dinokeng Game Reserve, South Africa
Adult Atlantic puffin (Fratercula arctica) during breeding season on tiny Grimsey Island, Iceland
Adult Atlantin puffin (Fratercula arctica) during breeding season on Sumburgh Head, Shetlands, Scotland, United Kingdom
Northern gannet (Morus bassanas) breeding colony at the cliffs of Noss, Shetland Islands, Scotland, United Kingdom
Adult whooper swan (Cygnus cygnus), pair on nest near Lake Myvatn, Iceland
Adult Eurasian Wigeon (Anas penelope) in breeding plumage on Lake Myvatn, Iceland
Adult razorbills (Alca torda), along the Atlantic coast of Iceland
Adult male hooded seal (Cystophora cristata) hauled out on pack-ice in seasof Denmark Strait, between Iceland and Greenland
Adult harlequin duck (Histrionicus histrionicus) in full breeding plumage in the calm waters of Lake Myvatn, Iceland
Adult humpback whale (Megaptera novaeangliae), surfacing near researchers in Zodiac at sunset, Iceland
Adult humpback whale (Megaptera novaeangliae), breaching in the fjord of Isfjardardjup, Iceland
Group of at least eight killer whales (Orcinus orca) surfacing off the coast of the island of Surtsey, southern Iceland
Group of at least eight killer whales (Orcinus orca) surfacing off the coast of the island of Surtsey, southern Iceland
Harp seal (Pagophilus groenlandicus), hauled out on the pack-ice in between Iceland and Greenland in the Denmark Strait, Denmark
Adult red-necked phalarope (Phalaropus lobatus) in breeding plumage on Flatey Island, Iceland
Adult red-necked phalarope (Phalaropus lobatus) in breeding plumage on Flatey Island, Iceland
Curious harbor seal (Phoca vitulina), approaches Zodiac at Vigur Island, Iceland
Curious harbor seal (Phoca vitulina), approaches Zodiac at Vigur Island, Iceland
Skull of an adult female leopard seal (Hydrurga leptonyx), on display at the Natural History Museum in Stanley, Falkland Islands, South America
Adult Peale's Dolphin (Lagenorhynchus australis), bow-riding near New Island in the Falkland Islands, South America
Female southern elephant seals (Mirounga leonina) showing slight aggression at Moltke Harbor on South Georgia, Polar Regions
Adult Commerson's dolphins (Cephalorhynchus commersonii) surfacing, Carcass Island in the Falkland Islands, South America
Northern giant petrels (Macronectes halli) fighting over the scavenging rights to a dead fur seal pup at St. Andrews Bay, South Georgia
Pregnant female southern elephant seal (Mirounga leonina) giving birth on the beach in Stromness Bay, South Georgia Island
Pregnant female southern elephant seal (Mirounga leonina) giving birth on the beach in Stromness Bay, South Georgia Island
Bull southern elephant seal (Mirounga leonina) on South Georgia Island, Southern Ocean
Bull southern elephant seal (Mirounga leonina) on South Georgia Island, Southern Ocean
Southern elephant seal (Mirounga leonina) pup, called weaners once their mothers stop nursing them, South Georgia Island, Southern Ocean
Southern elephant seal (Mirounga leonina) pup, called weaners once their mothers stop nursing, South Georgia Island, Southern Ocean
Young adult bull southern elephant seal (Mirounga leonina) holding young pup's head underwater trying to kill it, South Georgia Island, Southern Ocean
Dead southern elephant seal (Mirounga leonina) pup being eaten by an Antarctic skua on South Georgia Island, Southern Ocean
Chinstrap penguin (Pygoscelis antarctica) porpoising in Cooper Bay, South Georgia
Adult gentoo penguin (Pygoscelis papua) with minutes-old newly hatched chick at Gold Harbor on South Georgia
Juvenile Yellow Crowned Night Heron (Nyctanassa Violacea), wading bird found in the Americas that feeds on crustacea, Bermuda, Atlantic
Female mantled howler monkey (Alouatta palliata) eating tree leaves in a north Pacific coast forest, Esperanza, Nosara, Guanacaste, Costa Rica
Spotted sandpiper (Actitis macularius) non-breeding plumage, common shorebird in the Americas, Nosara River, Nosara, Guanacaste, Costa Rica
Blue footed booby (sula nebouxii) nest, Punta Pitt, San Cristobal island, Galapagos, UNESCO, Ecuador
Close-up portrait of a parrot, Macaw, The Maldives, Indian Ocean
Woman responsible for ensuring visitor safety and good behavior at the Viewpoint, Harrat volcanic plateau, AlUla, Medina Province, Saudi Arabia
Woman responsible for ensuring visitor safety and good behavior at the Viewpoint, Harrat volcanic plateau, AlUla, Medina Province, Saudi Arabia
Adult Magellanic snipe (Gallinago paraguaiae magellanica) 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) in flight on New Island in the Falkland Islands
Southern Right Whale (Eubalaena australis) adult surfacing near Puerto Pyramides, Peninsula Valdez, Argentina
Portrait of a Deer in Autumn, Nara, Honshu, Japan
West Indian manatee (Trichechus manatus), on the sand near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
West Indian manatee (Trichechus manatus), on the reef near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
Caribbean land hermit crab (Coenobita clypeatus), Half Moon Caye, UNESCO, Mesoamerican Barrier Reef, Belize
Caribbean land hermit crab (Coenobita clypeatus), Half Moon Caye, UNESCO, Mesoamerican Barrier Reef, Belize
Northern (Steller) sea lions, (Eumetopias jubatus), hauled out on South Marble Island, Glacier Bay National Park, Alaska, United States of America
Northern (Steller) sea lion (Eumetopias jubatus) fishing on the flood tide in Inian Pass, Southeastern Alaska, United States of America
Northern (Steller) sea lion (Eumetopias jubatus) close-up eating a halibut in Southeastern Alaska, United States of America
Adult sea otter (Enhydra lutris kenyoni) in kelp bed in Inian Pass, Southeastern Alaska, United States of America
Adult bald eagle (Haliaeetus leucocephalus) with dead salmon in Inian Pass, Southeast Alaska, United States of America
Northern (Steller) sea lions, (Eumetopias jubatus), hauled out on South Marble Island, Glacier Bay National Park, Alaska, United States of America
Northern (Steller) sea lions (Eumetopias jubatus) hauled out on South Marble Island, Glacier Bay National Park, Alaska, United States of America
African forest elephant (Loxodonta cyclotis), Dzanga Bai, Dzanga Sangha National Park, UNESCO, Central African Republic
African forest elephant (Loxodonta cyclotis), Dzanga Bai, Dzanga Sangha National Park, UNESCO, Central African Republic
African forest elephant (Loxodonta cyclotis), Dzanga Bai, Dzanga Sangha National Park, UNESCO, Central African Republic
African forest elephant (Loxodonta cyclotis), Dzanga Bai, Dzanga Sangha National Park, UNESCO, Central African Republic
Adult humpback whale (Megaptera novaeangliae) breaching along the west side of Chatham Strait in Alaska, United States of America