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Adult gentoo penguin (Pygoscelis papua) with minutes-old newly hatched chick at Gold Harbor on South Georgia
Adult Grey-headed Albatross (Thalassarche chrysostoma) in flight near nesting site at Elsehul, South Georgia
Female mantled howler monkey (Alouatta palliata) known for its loud call, eating in Pacific coast forest, Esperanza, Nosara, Guanacaste, Costa Rica
Palm plantation colonized by invasive Sodom apple plant (Calotropis procera), Sharaan Nature Reserve, AlUla, Medina Province, Saudi Arabia
Nurse sharks (Ginglymostoma cirratum), massing 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
Adult male green iguana (Iguana iguana), on New River near Lamanai, 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 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 Dall sheep (Ovis dalli) in Denali National Park, Alaska, United States of America
A small pod of killer whales (Orcinus orca) encountered off West Craycroft Island in Blackfish Sound, British Columbia, Canada
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
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 male polar bear (Ursus maritimus), on multi-year ice floes off the eastern coast of Spitsbergen in the Svalbard, Norway
Two young polar bears (Ursus maritimus), disputing feeding rights on a fresh bearded seal kill near Spitsbergen, Svalbard, Norway
Young male polar bear (Ursus maritimus), feeding on a fin whale carcass in Holmabukta in the Svalbard Archipelago, Norway
Young curious female polar bear (Ursus maritimus), on fast ice near Hinlopen Strait in the Svalbard Archipelago, Norway
Young curious female polar bear (Ursus maritimus), on fast ice near Hinlopen Strait in the Svalbard Archipelago, Norway
An adult polar bear (Ursus maritimus) guarding a caribou kill in Holmabukta in the Svalbard Archipelago, Norway
Adult Atlantic puffin (Fratercula arctica) during breeding season on tiny Grimsey Island, Iceland
Blue-footed booby (Sula nebouxii) newly hatched chick in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
A small pod of Type B killer whales (Orcinus nanus) just outside Duse Bay in the Weddell Sea, Antarctica, Polar Regions
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
Wood storks (Mycteria americana) big wading bird of the south Americas, scavenging on black sand turtle beach, Ostional, Guanacaste, Costa Rica
Tropical Kingbird (Tyrannus melancholicus) large tyrant flycatcher, common in the southern Americas, Esperanza, Nosara, Guanacaste, Costa Rica
Broad-winged hawk (Buteo platypterus) small raptor, common in the Americas as far south as Brazil, Playa Garza, Nosara, Guanacaste, Costa Rica
Spotted sandpiper (Actitis macularius) non-breeding plumage, common shorebird in the Americas, Nosara River, Nosara, Guanacaste, Costa Rica
Adult male kelp goose (Chloephaga hybrida) in the Falkland Islands
Adult rockhopper penguins (Eudyptes chrysocome chrysocome) at breeding and molting colony on New Island, Falkland Islands
Falkland Steamerduck (Tachyeres brachypterus) pair on New Island in the Falkland Islands
Black-browed albatross (Thalassarche melanophrys) breeding colony on Steeple Jason Island in the Falkland Islands
Black-browed albatross (Thalassarche melanophrys) 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
Male and female Red-legged Honeycreeper (Cyanerpes cyaneus) on a branch, Costa Rica
Highland Eyelash pit viper (Bothriechis schlegelii) head emerging between flower leaves, Costa Rica
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
Adult sea otter (Enhydra lutris kenyoni) in kelp bed in Inian Pass, Southeastern Alaska, United States of America
Adult sea otter (Enhydra lutris kenyoni) in kelp bed in Inian Pass, Southeastern Alaska, United States of America
Female mantled howler monkey (Alouatta palliata) eating tree leaves in a north Pacific coast forest, Esperanza, Nosara, Guanacaste, Costa Rica
Southern Right Whale (Eubalaena australis) mother and calf being harassed by kelp gull, Peninsula Valdez, Argentina
Tiny Red Goby (Pleurosicya sp) Two resting on coral.
Mabul Island, Borneo, Malaysia
(RR)
Needle cuttlefish, Sepia aculeata, front view at night, Dumaguete, Negros Island, Philippines.
Nudibranch, Atlantis house reef, Dumaguete, Negros Island, Philippines.
Nudibranch, Jorunna funebris, feeding on blue sponge, Haliclona sp., Monkey beach, Puerto Galera, Mindoro, Philippines.
Soft coral, Dendronephthya sp., Lapus Lapus Island marine park, Malapascua, Cebu, Philippines.
Reef octopus, Octopus cyanea, eye and siphon detail, Rongelap, Marshall Islands, Micronesia
Clark's anemonefish, Amphiprion clarkii, unusual color variant, male, Dauin, Negros, Philippines..
Common lionfish, Pterois volitans, blends in with a variety of soft corals and sponges, Cars, Dumaguete, Negros Island, Philippines.
Pink hydrocoral (lace coral), Stylaster sp., Namu atoll, Marshall Islands (N. Pacific).
Family of false clown anemone fish, Amphiprion ocellaris, seeking refuge in sea anemone, Masaplod, Dumaguete, Negros Island, Philippines.
Pleurobranch sidegill slug, Berthella martensi, mantle detail, Puerto Galera, Mindoro, Philippines.
Mandarinfish, Synchiropus splendidus, male, Malapascua, Cebu, Philippines, Visayan Sea.
Nudibranch, Chromodoris magnifica, Dumaguete, Negros Island, Philippines.
Bluefin trevally, Caranx melampygus, Ailuk atoll, Marshall Islands, Pacific
Horseshoe clam, Hippopus hippopus, Rongelap, Marshall Islands, Micronesia
Saddled butterflyfish, Chaetodon ephippium, Namu atoll, Marshall Islands (N. Pacific).
Split image of Smallspotted dart, Trachinotus baillonii, swimming along the sandy shore at dusk, Rongelap, Marshall Islands, Micronesia
Ornate ghost pipefish, Solenostomus paradoxus, Dumaguete, Negros Island, Philippines.
Dorid nudibranch, Glossodoris averni, La Laguna, Puerto Galera, Mindoro, Philippines.
Broadband cuttlefish, Sepia latimanus, in sandy bottom, Gato Island, Cebu, Philippines.
Mushroom coral, Ctenactis sp., night, Dumaguete, Negros Island, Philippines.
Polycerid nudibranch, Nembrotha cristata, external gill detail, Puerto Galera, Mindoro, Philippines..
Common lionfish, Pterois volitans, close-up, Sabang wreck, Puerto Galera, Mindoro, Philippines.
Whitetip reef shark, Triaenodon obesus, Namu atoll, Marshall Islands (N. Pacific).
Red (Lace) coral, Distichopora violacea, feather stars, and juvenile gray reef shark, Carcharhinus amblyrhynchos, Ailuk atoll, Marshall Islands, Pacific
Fluted giant clam, Tridacna squamosa, siphon detail, Namu atoll, Marshall Islands (Pacific).
Giant clam, Tridacna gigas, siphon detail, Rongelap, Marshall Islands, Micronesia
Pink anemone fish, Amphiprion periderion, on magnificent sea anemone, Heteractis magnifica, Dumaguete, Negros, Philippines.
Pair of wire coral gobies, Bryaninops yongei, on wire coral, Cirripathes anguina,Ailuk atoll, Marshall Islands, Pacific
Fan coral, Subergorgia sp., and diver silhouette against he sun, Namu atoll, Marshall Islands (N. Pacific).
Anemone fish, Amphiprion sp., Dumaguete, Negros Island, Philippines.
False clown anemone fish, Amphiprion ocellaris, Dauin, Dumaguete, Negros Island, Philippines.
Family of false clown anemone fish, Amphiprion ocellaris, seeking refuge in sea anemone, Dumaguete, Negros Island, Philippines.
Ascidian, Didemnum molle, oscule detail, Dauin, Negros, Philippines.
Family of false clown anemone fish, Amphiprion ocellaris, seeking refuge in sea anemone, Masaplod, Dumaguete, Negros Island, Philippines.
Reef wall covered with soft corals and gorgonians, mainly orange cup coral, Tubastrea faulkneri, Verde Island, Philippines.
Pair of false clown anemonefish, Amphiprion ocellaris, in anemone, Daiun, Negros, Philippines.
Feather star, possibly Oxycomanthus bennetti, West Escarceo, Puerto Galera, Mindoro, Philippines.
Proboscis Monkey and young, Labuk Bay Sabah Borneo Malaysia
Alpine Ibex female and young, Alps Valais Switzerland
Pale Chanting-Goshawk (Melierax canorus) standing on a log isolated in white background in Kgalagadi transfrontier park, South Africa
Greater Flamingo (Phoenicopterus roseus), adult cleaning its feet, Campania, Italy
Pale Chanting-Goshawk Melierax canorus standing on a log isolated in white background in Kgalagadi transfrontier park, South Africa
Greater Flamingo (Phoenicopterus roseus), side view of an adult standing in a swamp, Campania, Italy
African Spoonbill (Platalea alba), resting on one leg near a waterhole, dry shrubby savannah, Laikipia County, Kenya, East Africa, Africa
Alpine Ibex young on rock, Alps Valais Switzerland
Red squirrel between two trunks, Ile-de-France France
Alpine Ibex female and young, Alps Valais Switzerland
Alpine Ibex young on rock, Alps Valais Switzerland