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Magellanic penguin (Spheniscus magellanicus) at a breeding and molting site in Estancia San Lorenzo, Argentina
Southern right whale (Eubalaena australis) mother and calf being harassed by kelp gull, Peninsula Valdez, Argentina
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Underwater view of the reef along the circumference of the Great Blue Hole on Lighthouse Reef, UNESCO, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Nurse sharks (Ginglymostoma cirratum), being fed in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Nurse shark (Ginglymostoma cirratum), with boat in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Nurse shark (Ginglymostoma cirratum), on the sand in Hol Chan Marine Preserve, inside the Mesoamerican Barrier Reef, Belize
Southern stingray (Hypanus americanus) with snorkeler 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 stingray (Hypanus americanus) over sand in shark and ray alley, Caye Caulker, Mesoamerican Barrier Reef, Belize
Tourists hand-feeding tarpon (Megalops atlaticus), at feeding station 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), with snorkeler near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize
Oasis with palm grove, Tigui, Tibesti Mountains, Chad
Tiny melons, Tibesti Mountains, Chad
Aerial of the rocky mountains around Zouar, Tibesti Mountains, Chad
Aerial of beautiful rock formations at sunset around Zouar, Tibesti Mountains, Chad
Aerial of a beautiful sand dune in the Tibesti Mountains, Chad
Lake in the Tibesti Mountains, Tigui, Chad
View of swans and ducks with Iceland model building in the city centre of Reykjavik in winter, Reykjavik, Iceland
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) mother and pup in Inian Pass, Southeastern Alaska, United States of America
Adult sea otter (Enhydra lutris kenyoni) mother and pup in Inian Pass, Southeastern 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
Locals in a canoe, Sangha River, Dzanga Sangha National Park, UNESCO, Central African Republic
Sangha river, 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
Scenic view from Tracy Arm-Fords Terror Wilderness area 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) mock-fighting at Scidmore Cut in Glacier Bay National Park, Alaska, United States of America
Adult coyote (Canis latrans) in Denali National Park, Alaska, United States of America
A large stand of Arctic cotton (Eriophorum callitrix) in Denali National Park, Alaska, United States of America
A large stand of Arctic cotton (Eriophorum callitrix) in Denali National Park, Alaska, United States of America
Adult snowshoe hare (Lepus americanus dalli) in Denali National Park, Alaska, United States of America
View of swans and ducks with Lutheran Free Church in background in the city centre of Reykjavik at dusk in winter, Reykjavik, Iceland
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai 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
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai 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
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai 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
Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
View from Park Service platform where adult brown bears (Ursus arctos) forage for salmon, Katmai National Park, Alaska, United States of America
View from Park Service platform where adult brown bears (Ursus arctos) forage for salmon, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai 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
Adult brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
View from Park Service platform where adult brown bears (Ursus arctos) forage for salmon, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bear sow (Ursus arctos) watching human activities at the Brooks River, Katmai 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
Young brown bear (Ursus arctos) foraging for salmon at the Brooks River, Katmai National Park, Alaska, United States of America
Adult brown bears (Ursus arctos) disputing fishing rights for salmon in the Brooks River, Katmai National Park, Alaska, United States of America
Alaskan brown bears (Ursus arctos) sow and cubs foraging for salmon in the Brooks River, Katmai National Park, Alaska, United States of America
Adult bearded seal (Erignathus barbatus) hauled out on the ice in the Svalbard Archipelago, Norway
Adult white-beaked dolphin (Lagenorhynchus albirostris) surfacing in the Svalbard Archipelago, Norway
A view of the tidewater glacier in Isbukta (Ice Bay) on the western side of Spitsbergen Island, Svalbard Archipelago, Norway
Adult Svalbard reindeer (Rangifer tarandus platyrhynchus) grazing within the town limits of Longyearbyen, Svalbard, Norway
An adult ivory gull (Pagophila eburnea) on ice near Monaco Glacier on the north side of SpitsBergen, Vestland, Norway
House at the foot of Djebel Kissane, near Agdz, Mount Kissane (Jbel Kissane), Draa-Tafilet region, Morocco
Road along the Ounila River valley, Ouarzazate Province, region of Draa-Tafilalet, Morocco
Adult Atlantin puffin (Fratercula arctica) during breeding season on Sumburgh Head, Shetlands, Scotland, United Kingdom
Adult Atlantin puffin (Fratercula arctica) during breeding season on Sumburgh Head, Shetlands, 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 Eurasian oystercatcher (Haematopus ostralegus ostralegus) in full breeding plumage at Isfjardardjup, Iceland
Adult humpback whale (Megaptera novaeangliae), breaching in the fjord of Isfjardardjup, Iceland
Adult humpback whale (Megaptera novaeangliae), head-lunging in the fjord of Isfjardardjup, Iceland
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
An Icelandic horse portrait in winter, Iceland, Polar Regions
strawberry tree, Arbutus unedo, Orbetello, Province of Grosseto, Tuscany, Italy
Adult killer whale (Orcinus orca) surfacing with kelp on its flukes in Chatham Strait, Southeast Alaska, United States of America, Pacific Ocean, North America
Landscape at the north of Lettermore island, west coast, Connemara, County Galway, Connacht, Republic of Ireland
Clown Anemonefish, Indonesia.
A tube anemone (Cerianthid sp.) feeds on planktonic organisms on a sand slope in Indonesia.
A lionfish (Pterois volitans) displays its venomous spines in Komodo National Park, Indonesia. This tropical area in the western Pacific harbors an extraordinary array of marine organisms.
Colorful lily pads grow along the shallow edge of a freshwater lake in New England. Aquatic vegetation, which thrives during summer months, provides vital habitat for many fish, amphibians, and reptiles.
A sleek blue shark (Prionace glauca) cruises through the cold waters off Cape Cod, Massachusetts, in the Atlantic Ocean. These beautiful elasmobranchs are found throughout the world in both temperate and tropical seas and are a species listed as Near Thre
A snorkeler swims above a beautiful reef near Alor in the Lesser Sunda Islands of Indonesia.
Colorful reef fish, mainly Scalefin anthias (Pseudanthias squamipinnis), swim in a strong current near Alor in the Lesser Sunda Islands of Indonesia.
A beautiful coral reef thrives in a remote part of Raja Ampat, Indonesia.
A false clownfish, Amphiprion ocellaris, swims among the tentacles of its host anemone in Raja Ampat, Indonesia.
A beautiful coral reef thrives in Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for both its amazing marine biodiversity as well its infamous dragons.
A beautiful nudibranch, Bornella anguilla, crawls over black sand in Komodo National Park, Indonesia. This rare nudibranch can swim over short distances quite well.
A beautiful bouquet of tunicates and cnidarians grows on a reef in Komodo National Park, Indonesia. This tropical area in the Lesser Sunda Islands is known for both its amazing marine biodiversity as well its infamous dragons.
A healthy and colorful coral reef thrives among the scenic islands of Raja Ampat, Indonesia.
Sunlight shines on beautiful corals thriving among the scenic islands of Raja Ampat, Indonesia.
Several anemonefish wait outside while their anemone host closes up to feed, Raja Ampat, Indonesia.
Several pink anemones cluster on top of a coral outcropping providing homes for several anemone fish, Maldives.
Adult Peale's Dolphin (Lagenorhynchus australis), bow-riding near New Island in the Falkland Islands, South America
Adult Peale's Dolphin (Lagenorhynchus australis), bow-riding near New Island in the Falkland Islands, South America
Adult Peale's Dolphin (Lagenorhynchus australis), bow-riding near New Island in the Falkland Islands, South America
Adult southern rockhopper penguins (Eudyptes chrysocome), at breeding colony on West Point Island, Falklands, South America
Rock shag (Phalacrocorax magellanicus), pair exhibiting courtship behavior near New Island in the Falkland Islands, South America