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Elephant's Foot Plant (Pachypodium densiflorum) endemic, on granite massifs, Andringitra, south central Madagascar





Humpback Whale (Megaptera novaeangliae) traveling group of over 30 whales, not a mating group, Maui, Hawaii Notice must accom...
Humpback Whale (Megaptera novaeangliae) traveling group of over 30 whales, not a mating group, Maui, Hawaii Notice must accompany published photo - photo obtained under NMFS permit #987





Timber Wolf (Canis lupus) submissive individual showing affection toward dominant male, Minnesota





Adelie Penguin (Pygoscelis adeliae) rookery, Petermann Island, Antarctic Peninsula, Antarctica





Galapagos Giant Tortoise (Geochelone nigra) mating during rainy season, Alcedo Volcano, Isabella Island, Galapagos Islands, E...
Galapagos Giant Tortoise (Geochelone nigra) mating during rainy season, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador





Polar Bear (Ursus maritimus) paw of three to four month old cub, vulnerable, Wapusk National Park, Manitoba, Canada





Southern Elephant Seal (Mirounga leonina) yearling calling, Tucker Cove, Campbell Island, sub-Antarctica New Zealand





Brown Capuchin (Cebus apella) stabilizes itself with its prehensile tail while using a heavy rock hammer to crack open palm n...
Brown Capuchin (Cebus apella) stabilizes itself with its prehensile tail while using a heavy rock hammer to crack open palm nuts placed in small pits in the anvil rock surface, Cerrado habitat, Brazil





Andean Flamingo (Phoenicopterus andinus) flock nesting in their breeding grounds, Laguna Colorada, Eduardo Avaroa Faunistic R...
Andean Flamingo (Phoenicopterus andinus) flock nesting in their breeding grounds, Laguna Colorada, Eduardo Avaroa Faunistic Reserve, Andes Mountains, Southwestern Bolivia





Waved Albatross (Phoebastria irrorata) guarding young chick, Punta Cevallos, Espanola Island, Galapagos Islands, Ecuador





Mountain Gorilla (Gorilla gorilla beringei) mother with 10 month old infant, endangered, Parc National Des Volcans, Rwanda





Volcan Alcedo Giant Tortoise (Geochelone nigra vandenburghi) group in wallow, Alcedo Volcano crater floor, Isabella Island, G...
Volcan Alcedo Giant Tortoise (Geochelone nigra vandenburghi) group in wallow, Alcedo Volcano crater floor, Isabella Island, Galapagos Islands, Ecuador





Bigeye Thresher Shark (Alopias superciliosus) probably caught in gill nets, offloaded from fishing boats, Santa Rosa Fishing ...
Bigeye Thresher Shark (Alopias superciliosus) probably caught in gill nets, offloaded from fishing boats, Santa Rosa Fishing Village, Santa Elena Peninsula, Ecuador





Adelie Penguin (Pygoscelis adeliae) crowding on melting summer ice floe, Possession Island, Ross Sea, Antarctica





Mountain Gorilla (Gorilla gorilla beringei) five year old baby, endangered, Parc National Des Volcans, Rwanda





King Penguin (Aptenodytes patagonicus) couple silhouetted with austral summer sunset, Volunteer Point, Falkland Islands





Polar Bear (Ursus maritimus) researcher Nick Lunn holds three to four month old cub by the scruff while administering an anes...
Polar Bear (Ursus maritimus) researcher Nick Lunn holds three to four month old cub by the scruff while administering an anesthetic, vulnerable, Wapusk National Park, Manitoba, Canada





Wild Turkey (Meleagris gallopavo) male in forest, Serranias del Burro, Coahuila state, Mexico





Brown Capuchin (Cebus apella) stabilizes itself with its prehensile tail while using a heavy rock hammer to crack open palm n...
Brown Capuchin (Cebus apella) stabilizes itself with its prehensile tail while using a heavy rock hammer to crack open palm nuts placed in small pits in the anvil rock surface, Cerrado habitat, Brazil





Green Tree Ant (Oecophylla smaragdina) workers guard Gossamer-winged Butterfly (Lycaenidae) caterpillar rear awaiting honeyde...
Green Tree Ant (Oecophylla smaragdina) workers guard Gossamer-winged Butterfly (Lycaenidae) caterpillar rear awaiting honeydew, Australia





Humpback Whale (Megaptera novaeangliae) mother and calf, Maui, Hawaii Notice must accompany published photo - photo obtained ...
Humpback Whale (Megaptera novaeangliae) mother and calf, Maui, Hawaii Notice must accompany published photo - photo obtained under NMFS permit #987





Bear Cuscus (Ailurops ursinus) an endemic marsupial feeding on False Banyon (Ficus altissima) fruit, Tangkoko-Dua Saudara Nat...
Bear Cuscus (Ailurops ursinus) an endemic marsupial feeding on False Banyon (Ficus altissima) fruit, Tangkoko-Dua Saudara Nature Reserve, Sulawesi, Indonesia





Red-eyed Tree Frog (Agalychnis callidryas) series of early induced hatching, five day old egg clutch, by manual touch, Sobera...
Red-eyed Tree Frog (Agalychnis callidryas) series of early induced hatching, five day old egg clutch, by manual touch, Soberania National Park, Panama





Cape Buffalo (Syncerus caffer) herd walking across grassland, Petit Loango National Park, Gabon, western Africa





Ring-tailed Lemur (Lemur catta) walking towards camera, near Andringitra Mountains, vulnerable, south central Madagascar





Bottlenose Dolphin (Tursiops truncatus) group with tourists in shallow water, Monkey Mia, Australia





Golden-headed Lion Tamarin (Leontopithecus chrysomelas) emerging from its sleep den in the trunk of a tree, Bahia, Brazil





Fishtail Palm (Caryota mitis) and Woka Palms (Livingstonia rotundifolia) in small forest floor sun gap, Tangkoko-Dua Saudara ...
Fishtail Palm (Caryota mitis) and Woka Palms (Livingstonia rotundifolia) in small forest floor sun gap, Tangkoko-Dua Saudara Reserve, Sulawesi, Indonesia





Spotted Hyena (Crocuta crocuta) mother and 8 to 10 week old cub chewing on wildebeest skull that was brought back to communal...
Spotted Hyena (Crocuta crocuta) mother and 8 to 10 week old cub chewing on wildebeest skull that was brought back to communal den, Masai Mara National Reserve, Kenya





Military Macaw (Ara militaris) portrait, feeding on palm fruit, Amazon rainforest, Ecuador





Ruppell's Griffon (Gyps rueppellii) and White-backed Vulture (Gyps africanus) group feeding on Zebra carcass, Tanzania, east ...
Ruppell's Griffon (Gyps rueppellii) and White-backed Vulture (Gyps africanus) group feeding on Zebra carcass, Tanzania, east Africa





King Penguin (Aptenodytes patagonicus) colony, with one erecting itself to get better view, Volunteer Point, East Falkland Is...
King Penguin (Aptenodytes patagonicus) colony, with one erecting itself to get better view, Volunteer Point, East Falkland Island, Falkland Islands





Lesser Flamingo (Phoenicopterus minor) flock in lagoon along Skeleton Coast, Namib Desert, Namibia





North Island Kokako (Callaeas cinerea wilsoni) endemic plant eater, forest to canopy, threatened by introduced predators, Oto...
North Island Kokako (Callaeas cinerea wilsoni) endemic plant eater, forest to canopy, threatened by introduced predators, Otorohanga Breeding Center, New Zealand





Harpy Eagle (Harpia harpyja) female on nest attending juvenile chick, Ese'eja Native Lands, Tambopata River, Amazonian Peru





Gentoo Penguin (Pygoscelis papua) 2-4 week old chick waiting for parent to regurgitate food, Gold Harbor, South Georgia





Giant Walking Stick (Megaphasma dentricus) camouflaged among dry prairie grasses, North Dakota





Lantern Bug (Enchophora rosacea) expelling droplets of honeydew, La Selva Biological Research Station, Costa Rica





Rockhopper Penguin (Eudyptes chrysocome) with pebble in beak to add to nest, Pebble Island, Falkland Islands





Chimpanzee (Pan troglodytes) rescued sub-adult female grooming caretaker Bruce Ainebyona, Ngamba Island Chimpanzee Sanctuary,...
Chimpanzee (Pan troglodytes) rescued sub-adult female grooming caretaker Bruce Ainebyona, Ngamba Island Chimpanzee Sanctuary, Uganda





Waved Albatross (Phoebastria irrorata) in tall grass, Hood Island, Galapagos Islands, Ecuador





Autumn colors on burned hills along the Top of the World Highway between Dawson City, Yukon, and Tok, Alaska





Blue Wildebeest (Connochaetes taurinus) leaping into the Mara River during migration, Masai Mara National Reserve, Kenya





Mountain Gorilla (Gorilla gorilla beringei) mother with 10 month old infant, endangered, Parc National Des Volcans, Rwanda





Bottle Tree (Pachypodium sp) growing out of rocks, Montagne des Francais Reserve, Antsiranana, northern Madagascar





Harpy Eagle (Harpia harpyja) mother with five month old chick on nest in Kapok or Ceibo tree (Ceiba trichistandra), Aguarico ...
Harpy Eagle (Harpia harpyja) mother with five month old chick on nest in Kapok or Ceibo tree (Ceiba trichistandra), Aguarico River drainage, Amazon rainforest, Ecuador





Sea Otter (Enhydra lutris) bachelor male chasing mother with three to six month old pup, Monterey Bay, California





Tourist on suspension bridge in rainforest, Danum Valley Conservation Area, Borneo, Malaysia





Galapagos Land Iguana (Conolophus subcristatus) rare social group basking together, Fernandina Island, Galapagos Islands, Ecu...
Galapagos Land Iguana (Conolophus subcristatus) rare social group basking together, Fernandina Island, Galapagos Islands, Ecuador





Galapagos Sea Lion (Zalophus wollebaeki) in deep offshore waters, Bolivar Channel, Isabella Island, Galapagos Islands, Ecuado...
Galapagos Sea Lion (Zalophus wollebaeki) in deep offshore waters, Bolivar Channel, Isabella Island, Galapagos Islands, Ecuador





Algae in tidal pool at Windy Harbour, close-up, D'entrecasteaux National Park, Western Australia





Northern Elephant Seal (Mirounga angustirostris) bulls fighting, San Benito Island, Baja California, Mexico





Alexander Blanco descending a Kapok tree with a captured seven month old wild Harpy Eagle (Harpia harpyja) chick, Cuyabeno Re...
Alexander Blanco descending a Kapok tree with a captured seven month old wild Harpy Eagle (Harpia harpyja) chick, Cuyabeno Reserve, Amazon rainforest, Ecuador





Brunnich's Guillemot (Uria lomvia) breeding colony on cliff face, Spitsbergen, Svalbard, Norway





Beluga (Delphinapterus leucas) whales harassing a Bowhead Whale (Balaena mysticetus), Baffin Island, Canada





Huli man wearing a headdress made with feathers from Papuan Lorikeets (Charmosyna papou) and Birds-of-paradise, Papua New Gui...
Huli man wearing a headdress made with feathers from Papuan Lorikeets (Charmosyna papou) and Birds-of-paradise, Papua New Guinea





Striated Caracara (Phalcoboenus australis) trying to open penguin egg, New Island, Falkland Islands





Spotted Hyena (Crocuta crocuta) 34 day old cub playfully chewing on mother in den, Masai Mara National Reserve, Kenya





Cheetah (Acinonyx jubatus) mother and 7 to 9 month old cub, Masai Mara National Reserve, Kenya





Split Rock Creek flowing over rounded quartzite boulders, Palisades State Park, South Dakota





Australian Pelican (Pelecanus conspicillatus) feeding on beach, North Stradbroke Island, Australia





Humpback Whale (Megaptera novaeangliae) group photographed by BBC film crew with remote camera mounted on air ship, Southeast...
Humpback Whale (Megaptera novaeangliae) group photographed by BBC film crew with remote camera mounted on air ship, Southeast Alaska





Lantern Bug (Fulgora laternaria) camouflaged on tree trunk showing false eye spots on wings, Amazon rainforest, Ecuador





African Lion (Panthera leo) adult male mating with female, vulnerable, Masai Mara National Reserve, Kenya





Yunnan Snub-nosed Monkey (Rhinopithecus bieti) in tree, Weixi County, Yunnan Province, China





North Island Brown Kiwi (Apteryx australis mantelli) biologist, Eric Fox, removing egg shell from a newly-hatched chick in in...
North Island Brown Kiwi (Apteryx australis mantelli) biologist, Eric Fox, removing egg shell from a newly-hatched chick in incubator, Otorohanga Breeding Center, New Zealand





King Penguin (Aptenodytes patagonicus) adult landing on beach, Gold Harbor, South Georgia Island





Nazca Booby (Sula granti) large fledgling being fed by parent near nest site, Genovesa Tower Island, Galapagos Islands, Ecuad...
Nazca Booby (Sula granti) large fledgling being fed by parent near nest site, Genovesa Tower Island, Galapagos Islands, Ecuador





Painted Stork (Mycteria leucocephala) on nest with chicks in a village near the salt pans of Rann of Kutch, Gujarat, India





Brown Pelican (Pelecanus occidentalis) pair greeting display at nest change-over in shoreline Mangrove (Avicennia sp), Turtle...
Brown Pelican (Pelecanus occidentalis) pair greeting display at nest change-over in shoreline Mangrove (Avicennia sp), Turtle Bay, Santa Cruz Island, Galapagos Islands, Ecuador





Scarlet Macaw (Ara macao) pair perched on tree limb, originally hand raised by the research center, they are now living in th...
Scarlet Macaw (Ara macao) pair perched on tree limb, originally hand raised by the research center, they are now living in the rainforest canopy, Tambopata-Candamo Reserve, Amazon Basin, Peru





Light-demanding pioneer species colonize a gap soon after it opens in rainforest, Panama, sequence 2 of 3





Brown Capuchin (Cebus apella) stabilizes itself with its prehensile tail while using a heavy rock hammer to crack open palm n...
Brown Capuchin (Cebus apella) stabilizes itself with its prehensile tail while using a heavy rock hammer to crack open palm nuts placed in small pits in the anvil rock surface, Cerrado habitat, Brazil





Greater Rhea (Rhea americana) in savannah grassland habitat, Caiman Ecological Refuge, Pantanal, Brazil





Spotted Hyena (Crocuta crocuta) mother and 9 to 11 week old cub playing, Masai Mara National Reserve, Kenya





Monarch (Danaus plexippus) butterfly group resting on Thickspike Gayfeather (Liatris pycnostachya) flowers, North America





Weaver Ant (Oecophylla longinoda) two workers killing a worker Harvester Ant (Pheidole sp), Guinea





El Elegante Crater is 1400 meters wide and 140 meters deep, El Pinacate, Gran Desierto de Altar Biosphere Reserve, Sonora, Me...
El Elegante Crater is 1400 meters wide and 140 meters deep, El Pinacate, Gran Desierto de Altar Biosphere Reserve, Sonora, Mexico





Salmon (Oncorhynchus sp) farmed fry in pen at Tofino hatchery, for eventual release to enhance wild populations, Tofino, Vanc...
Salmon (Oncorhynchus sp) farmed fry in pen at Tofino hatchery, for eventual release to enhance wild populations, Tofino, Vancouver Island, British Columbia, Canada





Blue Whale (Balaenoptera musculus) researcher Richard Sears photographing a spouting whale near boat, Sea of Cortez, Baja Cal...
Blue Whale (Balaenoptera musculus) researcher Richard Sears photographing a spouting whale near boat, Sea of Cortez, Baja California, Mexico





Saddle-back Tamarin (Saguinus fuscicollis) resting on liana, Pacaya Samiria National Park, Peru





American Alligator (Alligator mississippiensis) floating at water surface, Everglades National Park, Florida





Black Stilt (Himantopus novaezealandiae) one of New Zealand's rarest birds, feeding in shallows of glacially fed Tasman River...
Black Stilt (Himantopus novaezealandiae) one of New Zealand's rarest birds, feeding in shallows of glacially fed Tasman River, Lake Pukaki, South Island, New Zealand





Red-billed Tropicbird (Phaethon aethereus) flying, approaching nesting cliff, Tower Island, Galapagos Islands, Ecuador

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