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Burrowing owl (Athene cunicularia) at sunset, standing on one leg, Marana, Sonoran Desert, Arizona, USA. October.  -  Jack Dykinga
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Jack Dykinga / Burrowing owl (Athene cunicularia) at sunset, standing on one leg, Marana, Sonoran Desert, Arizona, USA. October.
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
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