Joel Sartore / Photo Ark / Painted stork (Mycteria leucocephala) snapping towards the camera, Tracy Aviary. Captive.
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Bence Mate / Two Great white egret (Ardea alba) in winter, Kiskunsag National Park, Hungary. December.
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Joel Sartore / Photo Ark / Screaming hairy armadillo (Chaetophractus vellerosus) sniffing while looking at camera before approaching it, Parque de Las Leyendas in Lima, Peru. Captive.
Joel Sartore / Photo Ark / Mentanani scops owl (Otus mantananensis rombloni) juvenile looking towards camera, Semirara Island Aviary. Captive.
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Joel Sartore / Photo Ark / Collared Scops Owl (Otus lettia) looking around, Angkor Centre for Conservation of Biodiversity, Cambodia. 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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David Pattyn / Great white egret (Ardea alba) fishing in shallow pond, with Grey heron (Ardea cinerea) and other Great white egrets in background, Valkenhorst Nature Reserve, The Netherlands, August.
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Erlend Haarberg / White wagtail (Motacilla alba) reflected in water. Pasvik, Norway. May.
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Oliver Wright / Marbled white butterfly (Melanargia galathea) photographed in early morning light. Ledston, Yorkshire, June. Focus stacked image.
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Markus Varesvuo / Great Grey Owl (Strix nebulosa) flying directly overhead, Kuhmo Finland February.
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David Pattyn / Scarlet Macaw (Ara macao) couple fighting in a tree Corcovado National Park, Osa peninsula, Costa Rica
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Carol Walker / RF - Percheron horse trotting through snow. Alberta, Canada. Febraury. (This image may be licensed either as rights managed or royalty free.)
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Nick Upton / White-lipped snail (Cepaea hortensis) crawling over an oak sleeper retaining a garden lawn with a greenhouse in the background, Wiltshire, UK, April.
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Danny Green / RF - Polar bear (Ursus maritimus) male walking through snow covered landscape, mountains in background. Svalbard, Norway, April (This image may be licensed either as rights managed or royalty free.)
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Morley Read / Slow motion clip of a Leaf frog (Cruziohyla craspedopus) walking, Ecuador.
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Morley Read / Slow motion clip of a Leaf frog (Cruziohyla craspedopus) turning around, Ecuador.
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Morley Read / Slow motion clip of a Leaf frog (Cruziohyla craspedopus) leaping, Ecuador.
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Marie Read / Baltimore oriole (Icterus galbula) male perched in pear (Pyrus sp.) blossom, eastern redbud in background, New York, USA. May.
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Shane Gross / Larval flounder (possibly Laeops Kitahara) in the open ocean at night off Anilao, Philippines.
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Ernie Janes / Bald eagle (Haliaeetus leucocephalus) portrait, captive, occurs in North America.
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Clay Bolt / Composite image of Wallace's giant bee (Megachile pluto) with European honey bee (Apis melifera). This is the world's largest bee, which is approximately 4 times larger than a European honey bee. One...
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MYN / Paul Marcellini / Sequence of an American alligator (Alligator mississippiensis) hatching from its egg, Palmdale, Florida, USA. Digital composite.
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Terry Whittaker / Arctic fox (Vulpes lagopus) feeding in snow, blue colour morph, Hornstrandir Nature Reserve, Iceland, March.
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Terry Whittaker / Arctic fox (Vulpes lagopus) feeding and digging in snow whilst hunting, blue colour morph, Hornstrandir Nature Reserve, Iceland, March.
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MTA / Timelapse of silver tabby Maine Coon cat growing from kitten to adult over a period of 10 months. Images taken about 2 or 3 days apart to begin with, increasing to 10 to 15 days by the end. Morphing s...
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Tony Wu / Asian sheepshead wrasse (Semicossyphus reticulatus), male in white breeding colouration. Niigata Prefecture, Honshu, Japan. June.
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Danny Green / Bald eagle (Haliaeetus leucocephalus) in flight, Alaska, USA, February
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Danny Green / Bald eagle (Haliaeetus leucocephalus) in flight, Alaska, USA, February
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Theo Bosboom / Common blue damselflies (Enallagma cyathigerum) group gathering over water, Hondenven, Tubbergen, Netherlands, July.
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Seth Patterson / A compilation of items found washed up along a half mile stretch of the high tide line of South Padre Island, Texas. October 2016. Some of the plastic bottles and bags of signs of nip marks from hun...
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Ingo Arndt / Land snail / Brown-lipped snail (Cepaea nemoralis) crawling over a razor blade. The constantly produced mucus is a protection shield between the sole of the snail and the razor blade whilst the snail...
