Joel Sartore / Photo Ark / Red-crested turaco (Tauraco erythrolophus) looking around and raising crest, Tracy Aviary. Captive.
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Joel Sartore / Photo Ark / Madagascan fish eagle (Haliaeetus vociferoides) flaring its head feathers, Madagascar's Tsimbazaza Botanical and Zoological Park. Captive.
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Joel Sartore / Photo Ark / Great green macaw (Ara ambiguus) turning its head and moving tongue, Tracy Aviary. Captive.
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Vishal Jadhav / Indian jackal (Canis aureus indicus) female grooming male's head, Maharashtra, India, September.
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David Pattyn / Pair of Great crested grebes (Podiceps cristatus) performing courtship dance, The Netherlands, Europe. March.
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Joel Sartore / Photo Ark / African wood owl (Strix woodfordii) looking around and towards camera, Monticello Cente, Monticello Grosseto. Captive.
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Joel Sartore / Photo Ark / Common Bay Owl (Phodilus badius) looking around, Penang Bird Park, Seberang Perai, Pulau Pinang. Captive.
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Mateusz Piesiak / Bramblings (Fringilla montifringilla) feeding on sunflower seeds in a field that could not be cut due to high water levels, Lower Silesia, Poland. Emotion'Ailes Photography Competition 2021, Categ...
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Uri Golman / Close up of a silverback Mountain gorilla (Gorilla beringei beringei) face with eyes closed, and hand / fingers, Virunga National Park, Democratic Republic of Congo.
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Klein & Hubert / Cape buffalo (Syncerus caffer) with Yellow-billed oxpckers (Buphagus africanus) drinking at waterhole in dry season, South Luangwa National Park, Zambia, Africa.
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Joel Sartore / Photo Ark / A black phase critically endangered Indochinese leopard (Panthera pardus delacouri) snarling, Zoo Taiping, Malaysia. Captive.
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Danny Green / European badger (Meles meles) in woodland in late evening light. Scotland, UK, August.
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Danny Green / European badger (Meles meles) in late evening light, Scotland, UK, August.
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Eric Baccega / Giant panda (Ailuropoda melanoleuca) female, Huan Huan, holding cub aged one month, Beauval ZooPark, France. 9 September 2021.
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Eric Baccega / Giant panda (Ailuropoda melanoleuca) female, Huan Huan, holding cub aged one month, Beauval ZooPark, France. 9 September 2021.
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Eric Baccega / Giant panda (Ailuropoda melanoleuca) female, Huan Huan, holding cub aged one month, Beauval ZooPark, France. 9 September 2021.
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Eric Baccega / Giant panda (Ailuropoda melanoleuca) female, Huan Huan, holding cub aged one month, Beauval ZooPark, France. 9 September 2021.
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Robert Thompson / African golden emperor moth (Gonimbrasia krucki), close up of male head , Kenya, Africa Controlled conditions.
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Pal Hermansen / Pygmy owl (Glaucidium passerinum) looking directly at camera as it peers out of nest hole in dead tree trunk, Viken, Norway.
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Guy Edwardes / Evening sunlight illuminating Wasdale Head and Wast Water from Great Gable, Lake District National Park, Cumbria, England, UK. December 2020
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Guy Edwardes / Rain storm over Wasdale Head and Wast Water from Great Gable, Lake District National Park, Cumbria, England, UK. December 2020
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Theo Bosboom / Long line of walking people with headlights, heading back at night from visiting Fagradalsfjall volcano on Iceland, photographed around half an hour after sunset. The eruption draws large numbers of v...
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Theo Bosboom / Long line of people, mainly local, walking with headlights, heading back from a visit to the Fagradalsfjall volcano, Iceland. Long exposure showing direction of movement. 2 April 2021
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Solvin Zankl / Scaleless black dragonfish (Melanostomias biseriatus) appearing out of the darkness and swimming towards the camera, Atlantic Ocean close to Cape Verde.
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Solvin Zankl / Portrait of Scaleless black dragonfish (Melanostomias biseriatus), Atlantic Ocean close to Cape Verde.
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Doug Gimesy / Portrait of Emu (Dromaius novaehollandiae).
Kangaroo Island, South Australia, Australia.
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Richard Du Toit / Yellow mongoose (Cynictis penicillata) resting, Kgalagadi Transfrontier Park, Northern Cape Province, South Africa.
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Andy Murch / Spiny dogfish (Squalus acanthias) portrait. Rhode Island, New England, USA. August.
Andy Rouse / Roe deer (Capreolus capreolus) amongst dandelion seed heads at sunset, UK. May.
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Andy Rouse / RF - Roe deer (Capreolus capreolus) feeding on dandelion seed heads at sunset, UK. May. UK. (This image may be licensed either as rights managed or royalty free.)
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George Sanker / Blue jay (Cyanocitta cristata) flying, head on, Acadia National Park, Maine, USA. May.
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Danny Green / Arctic fox (Vulpes lagopus) cub in meadow, portrait. Hornstrandir Nature Reserve, Iceland, July.
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Brandon Cole / Giant moray eel (Gymnothorax javanicus), peering up from inside colony of Plate Fire Coral (Millepora platyphylla). Egypt, Red Sea.
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Nick Upton / Greylag goose (Anser anser) landing with its wings and head raised to chase off another from its territory in a marshland pool, Gloucestershire, UK, January.
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Tui De Roy / Alcedo giant tortoise (Chelonoidis vandenburghi), Alcedo Volcano, Isabela Island, Galapagos
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Marie Read / Northern Cardinals (Cardinalis cardinalis) male and female in the snow, photographed from low angle, Freeville, New York, USA. April 2020.
Claudio Contreras / Desmarest's hutia (Capromys pilorides doceleguas), Jardines de la Reina / Gardens of the Queen National Park, Caribbean Sea, Ciego de Avila, Cuba.
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Nick Hawkins / Head of a North Atlantic right whale (Eubalaena glacialis) emerges from the water, Gulf of Saint Lawrence, Canada. July.