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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Danny Green / RF - Arctic fox (Alopex lagopus) in winter pelage, camouflaged in snow. Svalbard, Norway, April (This image may be licensed either as rights managed or royalty free.)
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Danny Green / Arctic fox (Alopex lagopus) camouflaged in winter pelage. Svalbard, Norway, April.
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Danny Green / Arctic fox (Alopex lagopus) in snow. Svalbard, Norway. April.
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Gary Bell/ Oceanwide / Leopard Flounder (Bothus pantherinus) camouflaged on ocean floor, Anilao, Philippines
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Alex Mustard / Portrait of a Giant frogfish (Antennarius commersoni) on a large Yellow elephant ear sponge (Ianthella basta). Bitung, North Sulawesi, Indonesia. Lembeh Strait, Molucca Sea.
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Lucas Bustamante / Lichen Katydid (Markia hystrix) camouflage in lichens. Sumaco National Park, Napo, Ecuador
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Lucas Bustamante / Zigzag Heron (Zebrilus undulatus) camouflaged in branches while nesting. Yasuni National Park, Ecuador
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Nick Upton / Juvenile Goldenrod spider (Misumena vatia) camouflaged on a Common hogweed (Heracleum sphondylium) flowerhead, reacting to and catching a fly (Muscidae), Wiltshire, England, UK, June.
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John Shaw / Western screech owl (Megascops kennicottii) is camouflaged as it looks from a tree cavity. Bosque del Apache National Wildlife Refuge, New Mexico, USA, January.
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Shane Gross / Pygmy seahorse (Hippocampus bargibanti) holding on to a branch of a sea fan coral. Malapascua, Philippines.
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Georgette Douwma / Shortfin lionfish (Dendrochirus brachypterus). Lembeh Strait, North Sulawesi, Indonesia.
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David Pattyn / Common Potoo (Nyctibius griseus) camouflaged on tree with a young juvenile opposite it, Mindo cloud forest area, Ecuador, July
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Alex Hyde / Group of Tissue moths (Triphosa dubitata) hibernating in a limestone cave. Peak District National Park, Derbyshire, UK. November.
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Sven Zacek / Ural owl (Strix uralensis) female on nest after snowfall. Tartumaa, Southern Estonia. March.
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Robert Thompson / Herald moth (Scoliopteryx libatrix) camouflaged in leaf litter, Gosford Forest Park, Co. Armagh, Northern Ireland. September
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Andy Rouse / Bengal tiger (Panthera tigris) peering through leaves of bushes, Ranthambhore, India. December
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Andy Rouse / Bengal tiger (Panthera tigris) peering through leaves of bushes, Ranthambhore, India. December
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Ingo Arndt / Guanaco (Lama guanicoe) herd grazing in winter, Torres del Paine National Park, Patagonia, Chile
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David Fleetham / Bargibant's pygmy seahorse (Hippocampus bargibanti) wrapped around Eye fan coral (Cnidaria sp). Philippines.
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Michael Quinton / Northern Hawk Owl (Surnia ulula) peering from nest, Alaska
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Michael Quinton / Snowshoe Hare (Lepus americanus) browsing on a Pussy Willow (Salix discolor) twig in winter, Alaska
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Michael Quinton / Snowshoe Hare (Lepus americanus) browsing on a Pussy Willow (Salix discolor) twig in winter, Alaska
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Michael Quinton / Snowshoe Hare (Lepus americanus) browsing on a Pussy Willow (Salix discolor) twig in winter, Alaska
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Chien Lee / Rough Tree Frog (Theloderma horridum) camouflaged on bark, Kuching, Sarawak, Borneo, Malaysia
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David Fleetham / Crinoid shrimp (Periclimenes amboinensis) on matching Feather star (Comanthus bennetti) Philippines.
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Chien Lee / Ecuadorian Toad-headed Pit-viper (Bothrocophias campbelli) in rainforest, Mashpi Amagusa Reserve, Pichincha, Ecuador
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Murray Cooper / Swallow-tailed Nightjar (Uropsalis segmentata) female in defensive posture on nest, South America
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Andy Rouse / Polar bear (Ursus maritimus) standing on pack ice at the water's edge, Svalbard, Norway. June.
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Chien Lee / Common Potoo (Nyctibius griseus) mimicking branch, Utria National Park, Colombia
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Chien Lee / Amazon Horned Frog (Ceratophrys cornuta) camouflaged in leaf litter, Yasuni National Park, Ecuador
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Emanuele Biggi / Predatory bush cricket (Saga pedo) waiting for prey on Eryngium, Italy. June. Vulnerable species.
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Paul Bertner / Fantastic Leaf-tail Gecko (Uroplatus phantasticus) mother and young, Ranomafana National Park, Madagascar
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Paul Bertner / Fantastic Leaf-tail Gecko (Uroplatus phantasticus) male camouflaged amongst leaves, Ranomafana National Park, Madagascar
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Paul Bertner / Moth (Macrocilix maia), with false fly spots, Danum Valley Conservation Area, Sabah, Borneo, Malaysia
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Paul Bertner / Dead Leaf Katydid (Orophus tessellatus) camouflaged in leaf litter, Hitoy Cerere Biological Reserve, Costa Rica
SCOTLAND: The Big Picture / Mountain hare (Lepus timidus) resting in a snowhole, with windblown snow, Cairngorms National Park, Scotland, UK, January.
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Eric Dragesco / Wild Snow leopard (Uncia uncia) feeding on a kill hidden behind a rock, with a Eurasian magpie (Pica pica) in the foreground, Altai Mountains, Mongolia, February.
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Eric Dragesco / Wild Snow leopard (Uncia uncia) climbing among rocks on a mountainside, Altai Mountains, Mongolia, August.
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Eric Dragesco / Wild Snow leopard (Uncia uncia) climbing among rocks on a mountainside, Altai Mountains, Mongolia, August.
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Sue Daly / Brill (Scophthalmus rhombus) camouflaged on the seabed, Sark, British Channel Islands, UK, August.
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Francois Savigny / Rear view of Leopard walking in grass {Panthera pardus} Moremi National Park, Botswana
Ingo Arndt / Looking down on European edible frog in pond weed (Rana esculenta) Germany
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Pete Oxford / Spotted Scorpionfish (Scorpaena plumieri) camouflaged in rocks near King Angelfish (Holacanthus passer), Tower Island, Galapagos Islands, Ecuador
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Peter Schwarz/ BIA / Yellow Crab Spider (Thomisus onustus) camouflaged on flower, Dalmatia, Croatia
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Chien Lee / Fantastic Leaf-tail Gecko (Uroplatus phantasticus) female mimicking wilting leaf, Ranomafana National Park, Madagascar
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Chien Lee / Asian Horned Frog (Megophrys nasuta) female, Gunung Penrissen, Sarawak, Borneo, Malaysia
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Alex Mustard / Warty / Clown frogfish (Antennarius maculatus) male portrait, Anilao, Batangas, Luzon, Philippines, March
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Markus Varesvuo / Snowy owl (Bubo scandiaca) female sitting among snow covered vegetation on ground, Canada February
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Nick Hawkins / Ocelot (Leopardus pardalis) camera trap image, Nicoya Peninsula, Costa Rica.
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Nick Hawkins / Neotropical river otter (Lontra longicaudis) in water, Nicoya Peninsula, Costa Rica, March 2015.
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Neil Aldridge / Leopard (Panthera pardus) male in vegetation, Chief's Island, Okavango Delta, Botswana. Vulnerable species.
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Alex Hyde / Spined glassfrog (Teratohyla spinosa) Central Caribbean foothills, Costa Rica.
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Mark Hamblin / Mountain hare (Lepus timidus) in white winter coat camouflaged in snow, Scotland, UK. Commended in the Asferico Competition 2016.
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Floris van Breugel / Horned lark (Eremophila alpestris) wanders through spring wildflowers of the Anza-Borrego desert, California, USA March
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Denis-Huot / Masai giraffe (Giraffa camelopardalis tippelskirchi) baby standing below female, Maasai Mara Game Reserve, Kenya
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David Pattyn / Reticulated giraffe (Giraffa camelopardalis reticulata) young standing close to its mother, Samburu Game Reserve, Kenya, Africa, August.
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Matthias Breiter / Polar Bear (Ursus maritimus) male resting on ice, Hudson Bay, Manitoba, Canada
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Matthias Breiter / Polar Bear (Ursus maritimus) male resting on ice, Hudson Bay, Manitoba, Canada
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Markus Varesvuo / Male Willow grouse / Ptarmigan (Lagopus lagopus) portrait, Inari Kiilopaa, Finland, February.
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Wim van den Heever / Great potoo (Nyctibius grandis) perched, Pantanal Brazil.
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Pete Oxford / Osborne's Lancehead (Bothrops osbornei) juvenile showing differently colored tail tip used for caudal luring, native to South America
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Robert Thompson / Woodcock (Scolopax rusticola) camouflaged and resting in leaf litter, Huntly Wood, Banbridge, County Down, Northern Ireland, December.
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Roland Seitre / Svalbard Reindeer (Rangifer tarandus platyrhynchus) male and females running, Spitsbergen, Svalbard, Norway
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Neil Aldridge / Knysna turaco (Tauraco corythaix) in tree, Kariega Game Reserve, Eastern Cape, South Africa.
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Alex Mustard / Reef octopus (Octopus cyanea) portrait near wreck. Gubal Island, Egypt. Red Sea.
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Pete Oxford / Green Sea Turtle (Chelonia mydas), Hol Chan Marine Reserve, Belize
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Solvin Zankl / Sargassum fish (Histrio histrio) in Broad-toothed gulfweed (Sargassum fluitans) Sargassum Community. Sargasso Sea, Bermuda
Danny Green / Mountain Hare (Lepus timidus) resting with ears back, Scotland, March. Highly Commended in the Animal Portrait Category of the BWPA Competition 2015.
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Danny Green / Mountain hare (Lepus timidus) in snow, Scotland, March
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Danny Green / Japanese cranes (Grus japonensis) displaying in snow, Hokkaido, Japan, February
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Alan Murphy / Snowy Owl (Nyctea scandiaca) male flying, Ontario, Canada
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Krista Schlyer / Green lynx spider (Peucetia viridans) on Yellow pitcher plant (Sarracenia flava) Green Swamp, North Carolina, USA. September.
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Donald M. Jones / White-tailed Jack Rabbit (Lepus townsendii) in winter, central Montana
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Donald M. Jones / White-tailed Jack Rabbit (Lepus townsendii) running in snow, central Montana
Andy Rouse / Mountain hares (Lepus timidus) boxing in snow, Scotland, UK, December.
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Andy Rouse / Mountain hare (Lepus timidus) in snow cave, Scotland, UK, December.
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Constantinos Petrinos / Yellow stripe clingfish (Diademichthys lineatus) living in association with the Fire Urchin (Astropyga radiata) Lembeh Strait, North Sulawesi, Indonesia.
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Alex Hyde / Goldenrod crab spider (Misumena vatia) camouflaged on yellow flower. Nordtirol, Austrian Alps, July.