Sven Zacek / Large herd of Roe Deer (Caperolus capreolus) running across snow. Virumaa, Estonia, Europe, March.
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Jeff Vanuga / Horse and dog silhouetted at dusk. Bighorn Basin, Wyoming, USA. Model released
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Tim Laman / Boy (six years) skiing downhill, Vermont, USA, February 2007, Model released
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Bryan and Cherry Alexander / Bands of sorted stones running downhill, caused by frost and solifluction. Hurry Inlet, East Greenland, September 2005.
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Tim Laman / Boy (5 years) downhill skiing, Vermont, USA, Model released
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Robert Thompson / Ballymaclary sand dunes, Downhill, County Londonderry, Northern Ireland, UK, July 1994
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Kristel Richard / A wild Misaki-uma breeding stallion (Equus ferus caballus) walks downhill, Cape Toi Reserve, Miyazaki Prefecture, Kyushu Island, Japan.
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Carol Walker / RF- Mustangs run at Return to Freedom Sanctuary, Lompoc, California, USA. (This image may be licensed either as rights managed or royalty free.)
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Tony Heald / RF- Jackass / Black footed penguin (Spheniscus demersus) group on rocks, South Africa. (This image may be licensed either as rights managed or royalty free.)
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Philippe Clement / Lynx {Lynx lynx} walking downhill on snowy slope, captive, Bavarian Forest, Germany.
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Philippe Clement / Lynx {Lynx lynx} walking downhill on snowy slope, captive, Bavarian Forest, Germany.
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Philippe Clement / Two Lynx {Lynx lynx} walking downhill on snowy slope, captive, Bavarian Forest, Germany.
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Carol Walker / Mustang / wild horse mare and colt running downhill, Montana, USA. Pryor mountains HM
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Onne van der Wal / Katabatic winds with strong gusts of up to 40-60 knots hitting the water.
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Onne van der Wal / Katabatic winds with strong gusts of up to 40-60 knots hitting the water.