Heather Angel / Giant panda (Ailuropoda melanoleuca) sliding down slope on back after losing footing. Panda Breeding Centre, Wolong, Sichuan, China. January 1987.
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Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...
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Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...
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Steven Kazlowski / Young Polar bear (Ursus maritimus) standing and trying to balance in shallow water along the Bernard Spit, 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Oc...
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Steven Kazlowski / Two curious young Polar bears (Ursus maritimus), Barter Island, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, October 2011
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Danny Green / RF - Reindeer (Rangifer tarandus) walking up slope in snow. Svalbard, Norway, April. (This image may be licensed either as rights managed or royalty free.)
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David Pattyn / Alpine ibex (Capra ibex) struggling in deep snow on a steep slope, Valsavarenche, Gran Paradiso National Park, Aosta Valley, Italy, January
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Stefan Christmann / Emperor penguin (Aptenodytes forsteri) group clambering up slope during journey to bring back food for young. Atka Bay, Antarctica. September.
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Nick Garbutt / RF - Skull of a male Himalayan ibex (Capra sibirica) (killed by a snow leopard) lying on steep rocky slope. Himalayas, Ladakh, northern India. (This image may be licensed either as rights managed or r...
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Andrew Parkinson / Mountain hare (Lepus timidus) three adults on a snow slope high in the Cairngorm Mountains, Cairngorms National Park, Scotland, UK, February. Finalist in the Mammals category of the Wildlife Photogra...
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Wim van den Heever / Snow Leopard (Panthera uncia) climbing up mountain slope, Hemis National Park, India, February.
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Erlend Haarberg / Woman pulling a sledge up a slope, Rapadalen, Sarek National Park, Laponia, Sweden, March 2015.