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    • Alertness
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Portrait of a wild female Bobcat (Lynx rufus) kitten playing, Texas, USA. September.  -  Karine Aigner
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Karine Aigner / Portrait of a wild female Bobcat (Lynx rufus) kitten playing, Texas, USA. September.
Northern wheatear (Oenanthe oenanthe) Arcos de la Frontera, southern Spain. April  -  Andres M. Dominguez
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Andres M. Dominguez / Northern wheatear (Oenanthe oenanthe) Arcos de la Frontera, southern Spain. April
European hare (Lepus europaeus), Danube Delta, Romania. July.  -  Andres M. Dominguez
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Andres M. Dominguez / European hare (Lepus europaeus), Danube Delta, Romania. July.
Ural owl (Strix uralensis) female watching fledgling learning to climb and balance on branch. Owlet's first day out of nest. Tartumaa County, Southern Estonia. June.  -  Sven  Zacek
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Sven Zacek / Ural owl (Strix uralensis) female watching fledgling learning to climb and balance on branch. Owlet's first day out of nest. Tartumaa County, Southern Estonia. June.
Alpine marmot (Marmota marmota) carrying grass and other nesting material across snow to its nest while another one is on the lookout, Gran Paradiso National Park, Aosta Valley, Italy, April  -  David  Pattyn
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David Pattyn / Alpine marmot (Marmota marmota) carrying grass and other nesting material across snow to its nest while another one is on the lookout, Gran Paradiso National Park, Aosta Valley, Italy, April
Red fox (Vulpes vulpes) cub looking at camera, in morning. Sheffield, England, UK. June.  -  Paul Hobson
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Paul Hobson / Red fox (Vulpes vulpes) cub looking at camera, in morning. Sheffield, England, UK. June.
Emperor penguin (Aptenodytes forsteri) walking with young chick at Snow Hill Island rookery, Antarctica. October.  -  Sue Flood
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Sue Flood / Emperor penguin (Aptenodytes forsteri) walking with young chick at Snow Hill Island rookery, Antarctica. October.
Meerkat (Suricata suricatta) three one-month old pups playing on the burrow under a watchful adult 'babysitter', Kalahari Desert, Botswana.  -  Klein & Hubert
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Klein & Hubert / Meerkat (Suricata suricatta) three one-month old pups playing on the burrow under a watchful adult 'babysitter', Kalahari Desert, Botswana.
Meerkat (Suricata suricatta) baby, age one month, looking up to 'babysitting' adult, Kalahari Desert, Botswana.  -  Klein & Hubert
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Klein & Hubert / Meerkat (Suricata suricatta) baby, age one month, looking up to 'babysitting' adult, Kalahari Desert, Botswana.
Meerkat (Suricata suricatta) 'babysitter' with three pups about one month old on the burrow, Kalahari Desert, Botswana.  -  Klein & Hubert
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Klein & Hubert / Meerkat (Suricata suricatta) 'babysitter' with three pups about one month old on the burrow, Kalahari Desert, Botswana.
Meerkat (Suricata suricatta) two 'babysitters' with three pups, age one month, playing on burrow, Kalahari Desert, Botswana.  -  Klein & Hubert
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Klein & Hubert / Meerkat (Suricata suricatta) two 'babysitters' with three pups, age one month, playing on burrow, Kalahari Desert, Botswana.
Meerkat (Suricata suricatta) baby, age one month, on den with adult 'babysitter', Kalahari Desert, Botswana.  -  Klein & Hubert
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Klein & Hubert / Meerkat (Suricata suricatta) baby, age one month, on den with adult 'babysitter', Kalahari Desert, Botswana.
Meerkat (Suricata suricatta) three pups, age one month, on den with adult 'babysitter', Kalahari Desert, Botswana.  -  Klein & Hubert
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Klein & Hubert / Meerkat (Suricata suricatta) three pups, age one month, on den with adult 'babysitter', Kalahari Desert, Botswana.
Meerkat (Suricata suricatta) alarmed group standing on hind legs watching jackal pass by, Kalahari, Botswana  -  Klein & Hubert
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Klein & Hubert / Meerkat (Suricata suricatta) alarmed group standing on hind legs watching jackal pass by, Kalahari, Botswana
Meerkat (Suricata suricatta) standing on burrow at sunset, Kalahari, Botswana  -  Klein & Hubert
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Klein & Hubert / Meerkat (Suricata suricatta) standing on burrow at sunset, Kalahari, Botswana
Red fox (Vulpes vulpes) feeding from a bowl in a garden, Birmingham, England, UK, April.  -  Steve Downer
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Steve Downer / Red fox (Vulpes vulpes) feeding from a bowl in a garden, Birmingham, England, UK, April.
Alpine marmot (Marmota marmota) standing alert outside burrow, takes fright and runs inside, Rhone-Alpes, France, July.  -  Stephane Granzotto
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Stephane Granzotto / Alpine marmot (Marmota marmota) standing alert outside burrow, takes fright and runs inside, Rhone-Alpes, France, July.
Wild Apennine wolf (Canis lupus italicus) in snowy landscape. Central Apennines, Abruzzo, Italy. February. Italian endemic subspecies.  -  Bruno D'Amicis
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Bruno D'Amicis / Wild Apennine wolf (Canis lupus italicus) in snowy landscape. Central Apennines, Abruzzo, Italy. February. Italian endemic subspecies.
Meerkats (Suricata suricatta), Kgalagadi Transfrontier Park, Northern Cape, South Africa, January.  -  Ann  & Steve Toon
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Ann & Steve Toon / Meerkats (Suricata suricatta), Kgalagadi Transfrontier Park, Northern Cape, South Africa, January.
Meerkats (Suricata suricatta) with young, Kgalagadi Transfrontier Park, Northern Cape, South Africa, January.  -  Ann  & Steve Toon
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Ann & Steve Toon / Meerkats (Suricata suricatta) with young, Kgalagadi Transfrontier Park, Northern Cape, South Africa, January.
Red squirrel (Sciurus vulgaris) male standing upright in alert pose,Cairngorms National Park, Highlands, Scotland, UK, May 2016.  -  SCOTLAND: The Big Picture
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SCOTLAND: The Big Picture / Red squirrel (Sciurus vulgaris) male standing upright in alert pose,Cairngorms National Park, Highlands, Scotland, UK, May 2016.
Red Squirrel (Sciurus vulgaris) male standing alert, Cairngorms National Park, Highlands, Scotland, UK, May.  -  SCOTLAND: The Big Picture
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SCOTLAND: The Big Picture / Red Squirrel (Sciurus vulgaris) male standing alert, Cairngorms National Park, Highlands, Scotland, UK, May.
Red squirrel (Sciurus vulgaris) with  autumn colours, Cairngorms National Park, Highlands, Scotland, UK. October.  -  SCOTLAND: The Big Picture
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SCOTLAND: The Big Picture / Red squirrel (Sciurus vulgaris) with autumn colours, Cairngorms National Park, Highlands, Scotland, UK. October.
Red Squirrel (Sciurus vulgaris) standing alert amongst heather, Cairngorms National Park, Highlands, Scotland, UK, March.  -  SCOTLAND: The Big Picture
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SCOTLAND: The Big Picture / Red Squirrel (Sciurus vulgaris) standing alert amongst heather, Cairngorms National Park, Highlands, Scotland, UK, March.
Red Squirrel (Sciurus vulgaris)  close-up portrait of red squirrel sniffing. Cairngorms National Park, Highlands, Scotland, UK, March.  -  SCOTLAND: The Big Picture
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SCOTLAND: The Big Picture / Red Squirrel (Sciurus vulgaris) close-up portrait of red squirrel sniffing. Cairngorms National Park, Highlands, Scotland, UK, March.
RF - European ground squirrel / Souslik (Spermophilus citellus) in grass with daisies, Gerasdorf, Austria. April. (This image may be licensed either as rights managed or royalty free.)  -  Edwin Giesbers
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Edwin Giesbers / RF - European ground squirrel / Souslik (Spermophilus citellus) in grass with daisies, Gerasdorf, Austria. April. (This image may be licensed either as rights managed or royalty free.)
Meerkat (Suricata suricatta) standing alert, Kalahari Desert, South Africa.  -  Klein & Hubert
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Klein & Hubert / Meerkat (Suricata suricatta) standing alert, Kalahari Desert, South Africa.
Meerkats (Suricata suricatta)  on den, warming up before starting to forage, Kalahari Desert, South Africa.  -  Klein & Hubert
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Klein & Hubert / Meerkats (Suricata suricatta) on den, warming up before starting to forage, Kalahari Desert, South Africa.
Meerkat (Suricata suricatta) standing sentry on a dead tree in Kalahari Desert, South Africa  -  Klein & Hubert
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Klein & Hubert / Meerkat (Suricata suricatta) standing sentry on a dead tree in Kalahari Desert, South Africa
Meerkat (Suricata suricatta) standing sentry on a dead tree, Kalahari Desert, South Africa.  -  Klein & Hubert
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Klein & Hubert / Meerkat (Suricata suricatta) standing sentry on a dead tree, Kalahari Desert, South Africa.
Arctic tern (Sterna paradisaea) with sandeel. Inner Farne, Northumberland, UK. July.  -  Ann  & Steve Toon
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Ann & Steve Toon / Arctic tern (Sterna paradisaea) with sandeel. Inner Farne, Northumberland, UK. July.
Yellow mongoose (Cynictis penicillata), Kgalagadi transfrontier park, South Africa, June  -  Ann  & Steve Toon
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Ann & Steve Toon / Yellow mongoose (Cynictis penicillata), Kgalagadi transfrontier park, South Africa, June
Rabbit (Oryctolagus cuniculus) juvenile Burgundy, France.  -  Cyril Ruoso
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Cyril Ruoso / Rabbit (Oryctolagus cuniculus) juvenile Burgundy, France.
Female Grizzly bear (Ursus arctos horribilis) looking around and grooming, with four cubs playing nearby, Naknek Lake, Katmai National Park, Alaska, USA, July.  -  Eric Baccega
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Eric Baccega / Female Grizzly bear (Ursus arctos horribilis) looking around and grooming, with four cubs playing nearby, Naknek Lake, Katmai National Park, Alaska, USA, July.
Steenbok (Raphicerus campestris) female standing framed by a fallen tree, Mapungubwe National Park, Limpopo Province, South Africa.  -  Neil Aldridge
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Neil Aldridge / Steenbok (Raphicerus campestris) female standing framed by a fallen tree, Mapungubwe National Park, Limpopo Province, South Africa.
Pine marten (Martes martes) portrait, Ardnamurchan Peninsula, Scotland, August. Highly commended in the Portrait category of the BWPA (British Wildlife Photography Awards) Competition 2016.  -  Danny Green
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Danny Green / Pine marten (Martes martes) portrait, Ardnamurchan Peninsula, Scotland, August. Highly commended in the Portrait category of the BWPA (British Wildlife Photography Awards) Competition 2016.
Tricolour merle Collie puppy, Indie, age 10 weeks.  -  Mark Taylor
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Mark Taylor / Tricolour merle Collie puppy, Indie, age 10 weeks.
Red squirrel (Sciurus vulgaris) standing on hind legs looking alert. Southern Norway. November.  -  Andy Trowbridge
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Andy Trowbridge / Red squirrel (Sciurus vulgaris) standing on hind legs looking alert. Southern Norway. November.
Group of four Giraffes (Giraffa camelopardalis) Mkuze, South Africa  -  Bence  Mate
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Bence Mate / Group of four Giraffes (Giraffa camelopardalis) Mkuze, South Africa
Little bittern (Ixobrychus minutus) watching Great warbler (Acrocephalus arundinaceus) with prey, Lake Csaj, Kiskunsagi National Park, Hungary.  -  Bence  Mate
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Bence Mate / Little bittern (Ixobrychus minutus) watching Great warbler (Acrocephalus arundinaceus) with prey, Lake Csaj, Kiskunsagi National Park, Hungary.
Great capricorn beetle (Cerambyx cerdo) on Oak tree (Quercus sp) Niedersachsische Elbtalaue Biosphere Reserve, Lower Saxonian Elbe Valley, Germany, July.  -  Solvin Zankl
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Solvin Zankl / Great capricorn beetle (Cerambyx cerdo) on Oak tree (Quercus sp) Niedersachsische Elbtalaue Biosphere Reserve, Lower Saxonian Elbe Valley, Germany, July.
Blue wildebeest (Connochaetes taurinus) herd silhouetted against the rising sun with clouds in the background. Greater Kruger National Park, South Africa  -  Wim van den Heever
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Wim van den Heever / Blue wildebeest (Connochaetes taurinus) herd silhouetted against the rising sun with clouds in the background. Greater Kruger National Park, South Africa
Leopard (Panthera pardus) cub looking up at birds (out of frame) with mother in background,  Khwai River, Botswana. Highly commended in the Mammals category of the Asferico Photography Competition 201...  -  Wim van den Heever
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Wim van den Heever / Leopard (Panthera pardus) cub looking up at birds (out of frame) with mother in background, Khwai River, Botswana. Highly commended in the Mammals category of the Asferico Photography Competition 201...
Female Black grouse (Tetrao / Lyrurus tetrix) perched in tree covered in snow, Inari Kiilopaa, Finland, January.  -  Markus Varesvuo
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Markus Varesvuo / Female Black grouse (Tetrao / Lyrurus tetrix) perched in tree covered in snow, Inari Kiilopaa, Finland, January.
Hippopotamus (Hippopotamus amphibius) with head raised above water surface, Bijagos Archipelago Biosphere Reserve, Guinea Bissau,  -  Pedro  Narra
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Pedro Narra / Hippopotamus (Hippopotamus amphibius) with head raised above water surface, Bijagos Archipelago Biosphere Reserve, Guinea Bissau,
Pinocchio lizard (Anolis proboscis) male, Mindo, Ecuador. Controlled conditions.  -  Melvin Grey
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Melvin Grey / Pinocchio lizard (Anolis proboscis) male, Mindo, Ecuador. Controlled conditions.
Eastern cottontail (Sylvilagus floridanus) portrait, Laredo Borderlands, Texas, USA. April  -  Claudio  Contreras
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Claudio Contreras / Eastern cottontail (Sylvilagus floridanus) portrait, Laredo Borderlands, Texas, USA. April
Close up of horse wearing bridle, Sierra de Gredos, Avila, Castile and Leon, Spain.  -  Juan  Carlos Munoz
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Juan Carlos Munoz / Close up of horse wearing bridle, Sierra de Gredos, Avila, Castile and Leon, Spain.
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