Lynn M Stone / Yellow Labrador retriever in fresh snow, Clinton, Connecticut, USA
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Sven Zacek / Frozen Birch trees (Betula sp) in a grove, Tartumaa, Estonia, January 2013.
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Sven Zacek / Pink algae in fresh snow on the coast of the Baltic Sea, Lahemaa National Park, Northern Estonia. December 2012.
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Ole Jorgen Liodden / Polar bear (Ursus maritimus) footprints in snow, on cracked ice, Svalbard, Norway, September.
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Pal Hermansen / Aerial view of crater lake in snowy mountain, near Landmannalaugar, Iceland, June 2014.
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Olga Kamenskaya / Ice formations in snow on Lake Baikal, Siberia, Russia, March 2007.
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Olga Kamenskaya / Ice formations on Lake Baikal, Siberia, Russia, March 2012.
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Olga Kamenskaya / Clear panes of ice on Lake Baikal, Siberia, Russia, March.
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Olga Kamenskaya / Clear pane of ice, Lake Baikal, Siberia, Russia, March.
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Andy Trowbridge / Arctic Fox cub (Alopex / Vulpes lagopus) standing in fresh snow, blue morph. Dovrefjell National Park, Norway, September.
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Andy Trowbridge / Arctic Fox (Alopex / Vulpes lagopus) hunting in fresh snow, during moult from grey summer fur to winter white. Dovrefjell National Park, Norway, September.
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Kirkendall-Spring / Snowboarders below Table Mountain in the Mount Baker Wilderness, Washington, USA. March 2013.