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Mexican free-tailed bats (Tadarida brasiliensis) emerging from Bracken Cave, Texas. Over 15 million bats are thought to live in this cave, making it the greatest concentration of mammals on the planet... - Huw Cordey
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Huw Cordey / Mexican free-tailed bats (Tadarida brasiliensis) emerging from Bracken Cave, Texas. Over 15 million bats are thought to live in this cave, making it the greatest concentration of mammals on the planet...
Wild pinto Mustang mare and foal running in Sand Wash Basin, Colorado, USA. - Carol Walker
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Carol Walker / Wild pinto Mustang mare and foal running in Sand Wash Basin, Colorado, USA.
Gannet (Morus bassanus) coming in to land in the colony in evening light, Great Saltee, Saltee Islands, County Wexford, Ireland, June - David  Pattyn
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David Pattyn / Gannet (Morus bassanus) coming in to land in the colony in evening light, Great Saltee, Saltee Islands, County Wexford, Ireland, June
Zanzibar red colobus monkey (Procolobus kirkii) crossing the main road through the Reserve, Jozani forest,  Jozani Chwaka Bay NP, Zanzibar, Tanzania, August. - David  Pattyn
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David Pattyn / Zanzibar red colobus monkey (Procolobus kirkii) crossing the main road through the Reserve, Jozani forest, Jozani Chwaka Bay NP, Zanzibar, Tanzania, August.
Violet-tailed sylph hummingbird (Aglaiocercus coelestis) hummingbird adult male,   approaching flower to feed, Tandayapa,  Ecuador - Melvin Grey
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Melvin Grey / Violet-tailed sylph hummingbird (Aglaiocercus coelestis) hummingbird adult male, approaching flower to feed, Tandayapa, Ecuador
Otter (Lutra lutra) running through snow, Southern Estonia, January. - Sven  Zacek
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Sven Zacek / Otter (Lutra lutra) running through snow, Southern Estonia, January.
Woman with basket on her head picking tea (Camellia sinensis), Assam, North East India, October 2014. - Pete Oxford
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Pete Oxford / Woman with basket on her head picking tea (Camellia sinensis), Assam, North East India, October 2014.
White-tailed sea eagle (Haliaeetus albicilla) flying, and hunting over sea, Norway, July. - Sven  Zacek
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Sven Zacek / White-tailed sea eagle (Haliaeetus albicilla) flying, and hunting over sea, Norway, July.
Steller's sea eagle (Haliaeetus pelagicus) in flight, Japan, February - Danny Green
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Danny Green / Steller's sea eagle (Haliaeetus pelagicus) in flight, Japan, February
Hiker crossing  Newton Creek, Elk Meadows Trail, Mount Hood Wilderness.  Oregon, USA, July 2014.  Model released. - Kirkendall-Spring
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Kirkendall-Spring / Hiker crossing Newton Creek, Elk Meadows Trail, Mount Hood Wilderness. Oregon, USA, July 2014. Model released.
Polar bear (Ursus maritimus) young bear rolling around in the snow, on newly formed pack ice during autumn freeze up, Beaufort Sea, off Arctic coast, Alaska - Steven Kazlowski
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Steven Kazlowski / Polar bear (Ursus maritimus) young bear rolling around in the snow, on newly formed pack ice during autumn freeze up, Beaufort Sea, off Arctic coast, Alaska
Golden-mantled ground squirrel (Callospermophilus lateralis) feeding on flowers, Yellowstone National Park, Wyoming, USA, June. - George  Sanker
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George Sanker / Golden-mantled ground squirrel (Callospermophilus lateralis) feeding on flowers, Yellowstone National Park, Wyoming, USA, June.
White-vented storm petrel (Oceanites gracilis galapagoensis) 'walking' on surface of water whilst foraging, Galapagos - Tui De Roy
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Tui De Roy / White-vented storm petrel (Oceanites gracilis galapagoensis) 'walking' on surface of water whilst foraging, Galapagos
Tana mangabey (Cercocebus galeritus) female grooming a juvenile. Tana River Forest, South eastern Kenya. - Fiona Rogers
01493585
Fiona Rogers / Tana mangabey (Cercocebus galeritus) female grooming a juvenile. Tana River Forest, South eastern Kenya.
Black necked grebe (Podiceps nigricollis) adult bird diving for food while foraging. The Netherlands.April 2014 - David  Pattyn
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David Pattyn / Black necked grebe (Podiceps nigricollis) adult bird diving for food while foraging. The Netherlands.April 2014
Black guillemot (Cepphus grylle) taking off, Denmark, May - Hanne & Jens Eriksen
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Hanne & Jens Eriksen / Black guillemot (Cepphus grylle) taking off, Denmark, May
White-tailed Eagle (Haliaeetus albicilla) landing on snowy rock, Norway, November - Markus Varesvuo
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Markus Varesvuo / White-tailed Eagle (Haliaeetus albicilla) landing on snowy rock, Norway, November
Two male Thomson's gazelles (Eudorcas thomsonii) fighting, Masai-Mara game reserve, Kenya. - Denis-Huot
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Denis-Huot / Two male Thomson's gazelles (Eudorcas thomsonii) fighting, Masai-Mara game reserve, Kenya.
Black-striped capuchin (Sapajus libidinosus) using rock as a tool to break open palm nut Parnaiba Headwaters National Park, Piaui, Brazil.  July. - Ben  Cranke
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Ben Cranke / Black-striped capuchin (Sapajus libidinosus) using rock as a tool to break open palm nut Parnaiba Headwaters National Park, Piaui, Brazil. July.
Black-striped capuchin (Sapajus libidinosus) using rock as a tool to break open palm nut, Parnaiba Headwaters National Park, Piaui, Brazil.  July. - Ben  Cranke
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Ben Cranke / Black-striped capuchin (Sapajus libidinosus) using rock as a tool to break open palm nut, Parnaiba Headwaters National Park, Piaui, Brazil. July.
Musk ox (Ovibos moschatus) portrait, Wrangel Island, Far Eastern Russia, March. - Sergey  Gorshkov
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Sergey Gorshkov / Musk ox (Ovibos moschatus) portrait, Wrangel Island, Far Eastern Russia, March.
Golden-crowned Sifaka (Propithecus tattersalli) leaping through forest canopy. Forests adjacent to the village of Andranotsimaty, near Daraina, northern Madagascar. Critically endangered species. - Nick Garbutt
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Nick Garbutt / Golden-crowned Sifaka (Propithecus tattersalli) leaping through forest canopy. Forests adjacent to the village of Andranotsimaty, near Daraina, northern Madagascar. Critically endangered species.
Toco Toucan (Ramphastos toco) beak open with tongue visible while feeding on mango, Brazil - Angelo Gandolfi
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Angelo Gandolfi / Toco Toucan (Ramphastos toco) beak open with tongue visible while feeding on mango, Brazil
Great Grey Owl (Strix nebulosa) diving for prey, southern Finland, April. - Jussi  Murtosaari
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Jussi Murtosaari / Great Grey Owl (Strix nebulosa) diving for prey, southern Finland, April.
Ibex (Capra ibex) males fighting, Jura, Switzerland, captive - Eric  Medard
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Eric Medard / Ibex (Capra ibex) males fighting, Jura, Switzerland, captive
Salt pans with high salt concentration. Salin de Giraud, Camargue, France, June 2013. - Jean E. Roche
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Jean E. Roche / Salt pans with high salt concentration. Salin de Giraud, Camargue, France, June 2013.
Salt pans with high salt concentration. Salin de Giraud, Camargue, France, June 2013. - Jean E. Roche
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Jean E. Roche / Salt pans with high salt concentration. Salin de Giraud, Camargue, France, June 2013.
Red wood ant (Formica rufa) carrying construction material to anthill (fir needles), Germany. - Ingo Arndt
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Ingo Arndt / Red wood ant (Formica rufa) carrying construction material to anthill (fir needles), Germany.
Redpoll (Carduelis flammea) male landing on Alder (Alnus glutinosa) Surrey, England. February - Kim Taylor
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Kim Taylor / Redpoll (Carduelis flammea) male landing on Alder (Alnus glutinosa) Surrey, England. February
Young Chimpanzee in fruiting fig tree (Pan troglodytes schweinfurthii) Tongo, Virunga National Park, Kivu, Democratic Republic of Congo - Jabruson
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Jabruson / Young Chimpanzee in fruiting fig tree (Pan troglodytes schweinfurthii) Tongo, Virunga National Park, Kivu, Democratic Republic of Congo
Sandhill crane (Grus canadensis) landing in icy pond filled with snow geese  (Chen caerulescens) Bosque del Apache, New Mexico.  January 2013 - Jack Dykinga
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Jack Dykinga / Sandhill crane (Grus canadensis) landing in icy pond filled with snow geese (Chen caerulescens) Bosque del Apache, New Mexico. January 2013
Guillemot (Uria aalge) landing, Vardo, Norway, March. - Markus Varesvuo,Markus Varesvuo
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Markus Varesvuo,Markus Varesvuo / Guillemot (Uria aalge) landing, Vardo, Norway, March.
Gannet (Morus bassanus) adult, backlit by the morning sun, coming in to land in colony, Shetland Islands, Scotland, UK. September - Andrew Parkinson
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Andrew Parkinson / Gannet (Morus bassanus) adult, backlit by the morning sun, coming in to land in colony, Shetland Islands, Scotland, UK. September
Great Skua (Stercorarius skua) in flight low over water, Fetlar, Shetland, June - David Tipling
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David Tipling / Great Skua (Stercorarius skua) in flight low over water, Fetlar, Shetland, June
Indian Flying Fox (Pteropus giganteus), flying, India - Axel Gomille,Axel  Gomille
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Axel Gomille,Axel Gomille / Indian Flying Fox (Pteropus giganteus), flying, India
Barn Owl (Tyto alba) in hovering hunting flight. UK, February. - Andy Rouse,Andy  Rouse
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Andy Rouse,Andy Rouse / Barn Owl (Tyto alba) in hovering hunting flight. UK, February.
Perspective of mountain biker over handlebars, Taylor Canyon, Island In The Sky District. Canyonlands National Park, Utah, October 2012. Model released. - Kirkendall-Spring
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Kirkendall-Spring / Perspective of mountain biker over handlebars, Taylor Canyon, Island In The Sky District. Canyonlands National Park, Utah, October 2012. Model released.
Great Tit (Parus major) in flight. Southern Estonia, December. - Sven Zacek,Sven  Zacek
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Sven Zacek,Sven Zacek / Great Tit (Parus major) in flight. Southern Estonia, December.
Arial view of coloured salt pans, colour is determined by the concentration of various elements, Salins de Giraud, Camargue, Southern France - Jean E. Roche
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Jean E. Roche / Arial view of coloured salt pans, colour is determined by the concentration of various elements, Salins de Giraud, Camargue, Southern France
Kingfisher (Alcedo atthis) diving into water to catch a fish, Hessen, Germany, sequence 7/9 - Ingo Arndt
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Ingo Arndt / Kingfisher (Alcedo atthis) diving into water to catch a fish, Hessen, Germany, sequence 7/9
Herring gull (Larus argentatus) in flight with others on water, Norway, July - Roy Mangersnes
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Roy Mangersnes / Herring gull (Larus argentatus) in flight with others on water, Norway, July
Sanje Mangabey Monkey (Cercocebus galeritus sanjei) selecting leaves to feed on. Mizimu area, Sonjo Valley, Udzungwa Mountains National Park, Tanzania. Endangered species - Tom Struhsaker
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Tom Struhsaker / Sanje Mangabey Monkey (Cercocebus galeritus sanjei) selecting leaves to feed on. Mizimu area, Sonjo Valley, Udzungwa Mountains National Park, Tanzania. Endangered species
Brown Trout (Salmo trutta) juvenile jumping through the water surface to take a hoverfly. Surrey, UK. - Kim Taylor
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Kim Taylor / Brown Trout (Salmo trutta) juvenile jumping through the water surface to take a hoverfly. Surrey, UK.
Wilson's Storm-petrel (Oceanites oceanicus) hovering whilst feeding in calm conditions. Cuverville Island, Antarctic Peninsula, Antarctica, December. - Brent Stephenson
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Brent Stephenson / Wilson's Storm-petrel (Oceanites oceanicus) hovering whilst feeding in calm conditions. Cuverville Island, Antarctic Peninsula, Antarctica, December.
Magpie (Pica pica) in flight, Sweden October - Markus Varesvuo
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Markus Varesvuo / Magpie (Pica pica) in flight, Sweden October
Adult Fossa (Crytoprocta ferox) female portrait. Kirindy Forest, western Madagascar, November. Not available for ringtone/wallpaper use. - Nick Garbutt
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Nick Garbutt / Adult Fossa (Crytoprocta ferox) female portrait. Kirindy Forest, western Madagascar, November. Not available for ringtone/wallpaper use.
Filming on the Antarctic sea-ice at the edge of a small hole. A cameraman gets a shock when a Killer whale (Orcinus orca) mother and calf explode out of the water in front of his face.  Taken on locat... - Chadden Hunter
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Chadden Hunter / Filming on the Antarctic sea-ice at the edge of a small hole. A cameraman gets a shock when a Killer whale (Orcinus orca) mother and calf explode out of the water in front of his face. Taken on locat...
Photographers photographing Moulton Barn, rear view, Grand Teton National Park, Wyoming, USA, September 2008 - Peter Cairns
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Peter Cairns / Photographers photographing Moulton Barn, rear view, Grand Teton National Park, Wyoming, USA, September 2008
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