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Black-browed albatross (Thalassarche melanophrys) close-up at breeding colony on Carcass Island in the Falkland Islands

Southern right whale (Eubalaena australis) mother being harassed by kelp gull, near Puerto Pyramides, Argentina

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

Southern right whale (Eubalaena australis) calf surfacing near Puerto Pyramides, Golfo Nuevo, Peninsula Valdez, Argentina

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

Green sea turtle (Chelonia mydas), feeding on the sand near Caye Caulker, inside the Mesoamerican Barrier Reef, Belize

Northern (Steller) sea lion (Eumetopias jubatus) fishing on the flood tide in Inian Pass, Southeastern Alaska, United States of America

Adult humpback whale (Megaptera novaeangliae) tail throw among feeding whales in Southeast 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 (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

View from Park Service platform where adult brown bears (Ursus arctos) forage for salmon, Katmai National Park, Alaska, United States of America

A shoal of Yellowback Fusiliers (Caesio teres) swim around Acropora species hard corals, Gaafu Dhaalu atoll, The Maldives, Indian Ocean, Asia

Western Screech-Owl (Megascops kennicottii) in captivity, Arizona Sonora Desert Museum, Tucson, Arizona, United States of America, North America

A hairy frogfish (Antennarius striatus) uses its incredible camouflage to successfully capture prey in Lembeh Strait, Indonesia.

A spine-cheeked anemonefish (Premnas biaculeatus) swims among the tentacles of its host anemone in Wakatobi National Park, Indonesia.

A colorful set of gorgonians, reef-building corals, and other invertebrates grow on a diverse reef in the Caribbean Sea.

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 banded sea snake (Laticauda colubrina) swims at the surface in Wakatobi National Park, Indonesia. This is one of the most venomous snakes in the world.

A colorful flamboyant cuttlefish, Metasepia pfefferi, crawls across the sandy seafloor in Lembeh Strait, Indonesia.

A colorful soft coral adorns a giant clam, Tridacna sp., growing on a healthy reef in Raja Ampat, Indonesia.

This fish is having its gills cleaned by a cleaner wrasse so it opens wide allowing the fish to come in and feed on parasites, Raja Ampat, Indonesia.

Adult Commerson's dolphin (Cephalorhynchus commersonii), surfacing in Stanley Harbor in the Falkland Islands, South America

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

King penguin (Aptenodytes patagonicus) chicks (okum boys) at nesting colony at Salisbury Plain, South Georgia, Polar Regions

Brown capuchin monkey (Cebus apella) (Sapajus apella) on tree, Tambopata National Reserve, Puerto Maldonado, Tambopata Province, Madre de Dios, Peru, South America

Brown capuchin monkey (Cebus apella) (Sapajus apella) on tree, Tambopata National Reserve, Puerto Maldonado, Tambopata Province, Madre de Dios, Peru, South America

Brown capuchin monkey (Cebus apella) (Sapajus apella) on tree, Tambopata National Reserve, Puerto Maldonado, Tambopata Province, Madre de Dios, Peru, South America

Southern yellow billed hornbill, Pilanesberg National Park, North West Province, South Africa, Africa

Adult gentoo penguin (Pygoscelis papua), feeding chicks at Brown Bluff near the Antarctic Peninsula, Southern Ocean, Polar Regions

Southern right whale (Eubalaena australis) flukes-up dive near whale watching boat in Puerto Pyramides, Argentina, South America

Southern right whale (Eubalaena australis) mother and calf near whale watching boat in Puerto Pyramides, Argentina, South America

Adult Magellanic penguin (Spheniscus magellanicus) at a breeding site on Peninsula Valdez, Patagonia, Argentina, South America

Chinstrap penguin (Pygoscelis antarctica), leaping at breeding colony at Half Moon Island, Antarctica, Southern Ocean, Polar Regions

A close up view of a beetle on hogweed (Heracleum spp) found in the Solovetsky Islands, Arkhangelsk Oblast, White Sea, Russia, Arctic, Europe

Adult glaucous gull (Larus hyperboreus) eating common eider duckling (Somateria mollissima) in Svalbard, Norway, Arctic, Europe

Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe

Adult bull walrus (Odobenus rosmarus rosmarus) hauled out on the beach in the Svalbard Archipelago, Norway, Arctic, Europe

Lava lizard (Microlophus spp) in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America

Floss silk tree (Ceiba speciosa), Botanical Garden on El Nabatat Island (Kitchener's Island), Aswan, Egypt, North Africa, Africa

Galapagos penguin (Spheniscus mendiculus) feeding underwater on small baitfish in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Adult Nazca booby (Sula grantii) pair in courtship in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Nazca booby (Sula grantii) downy chick stretching its wings to gather strength for flight in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Galapagos penguin (Spheniscus mendiculus) feeding underwater on small baitfish in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Galapagos sea lion mother nursing pup (Zalophus wollebaeki) in the Galapagos Island Archipelago, 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

Adult gentoo penguins (Pygoscelis papua), returning and coming from the sea at Booth Island, Antarctica, Southern Ocean, Polar Regions

Clownfish (Amphiprion species) guarding their sea anemone home; on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

A Ctenocella species octocoral sea fan, surrounded by an assortment of hard corals, on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

Staghorn scleractinic hard corals (Acropora species), on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

A growth of Acropora species, and one Goniastrea species (centre) scleractinic hard corals, on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

Mushroon Leather Coral (Sarcophyton species), a soft coral, growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

A mixture of Acropora species scleractinic hard corals, growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

Acropora species 'plate' corals, growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

A mixture of Acropora species scleractinic hard corals, growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

Acropora species scleractinic hard corals, showing some bleaching, growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

A mix of Acropora species scleractinic hard corals growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

A mix of Acropora species scleractinic hard corals growing on a coral reef in Gaafu Dhaalu atoll, in the far south of the Maldives, Indian Ocean.

King penguin (Aptenodytes patagonicus) adult and chick at breeding and nesting colony at Salisbury Plain, South Georgia, Polar Regions

Adult light-mantled sooty albatrosses (Phoebetria palpebrata) on the wing in Elsehul on South Georgia, Southern Ocean, Polar Regions

Adult striated caracara (Phalcoboenus australis), close-up, on Carcass Island in the Falkland Islands, South Atlantic Ocean, South America

Adult black-crowned night-heron (Nycticorax nycticorax falklandicus) on Carcass Island in the Falkland Islands, South America

Black-browed albatross (Thalassarche melanophrys) chick on the nest at nesting site on New Island, Falklands, South America

Black-browed albatross (Thalassarche melanophrys) adult feeding chick at nesting site on West Point Island, Falkland Islands, South America

Black-browed albatross (Thalassarche melanophrys) adult feeding chick at nesting site on West Point Island, Falkland Islands, South America

African openbill (Anastomus lamelligerus), Zimanga Game Reserve, KwaZulu-Natal, South Africa, Africa

Anhinga (Anhinga anhinga) perching on branch on Lake Sandoval, Tambopata National Reserve, Peru, South America

Chinstrap penguin (Pygoscelis antarctica) breeding colony at Baily Head on Deception Island, Antarctica, Southern Ocean, Polar Regions

Lava Lizard (microlophus) on Floreana island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Young Galapagos hawk (Buteo galapagoensis) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Captive Galapagos giant tortoise (Geochelone elephantopus) at the Charles Darwin Research Station, Galapagos, UNESCO World Heritage Site, Ecuador, South America

The endemic Opuntia cactus (Opuntia echios) cactus growing in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Tourist photographing a wild Galapagos giant tortoise (Geochelone elephantopus) feeding on the upslope grasslands of Santa Cruz Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Juvenile Galapagos brown pelican (Pelecanus occidentalis urinator), smallest species of pelican worldwide, feeding in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America