Pal Hermansen / Scattered conifers with long shadows in snow, aerial shot. Golsfjell, Norway. March 2018.
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Erlend Haarberg / Semi-domesticated reindeer (Rangifer tarandus) walking on snow-covered road in pine forest. Lapland, Sweden. February.
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Jack Dykinga / Aurora Borealis reflected in Polar Lake, conifers silhouetted at edge. Near Great Slave Lake, Northwest Territories, Canada. September 2018.
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Jack Dykinga / Aurora Borealis display above conifers and Polar Lake. Near Great Slave Lake, Northwest Territories, Canada. September 2018.
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Jack Dykinga / Aurora Borealis reflected in Polar Lake, wetland and conifers silhouetted along shore. Near Great Slave Lake, Northwest Territories, Canada. September 2018.
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Tim Fitzharris / Conifers and Lower Yellowstone Falls, Yellowstone River, Grand Canyon of Yellowstone, Yellowstone National Park, Wyoming
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Ashley Cooper / Needle ice on Holly leaves (Ilex europaeus) in a woodland in Ambleside Cumbria UK. December 2008
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Terry Whittaker / Red squirrel (Sciurus vulgaris) leaping between Scots pine tree (Pinus sylvestris)s, lands on camera, Black Isle, Ross and Cromarty, Scotland, February.
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SCOTLAND: The Big Picture / Close up of a Red deer (Cervus elaphus) stag feeding in snow, Cairngorms National Park, Scotland, UK, February.
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Ingo Arndt / Bark beetle (Scolytinae) galleries in dead spruce tree (Picea abies), Bayerischer Wald / Bavarian Forest National Park, Germany., June.
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Ingo Arndt / European Red Wood Ant (Formica polyctena) nests in pine forest, Hessen, Germany, July.
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Sandra Bartocha / European beech (Fagus sylvatica) and Pines, Schweingartensee, Serrahn, Muritz-National Park, World Natural Heritage site, Germany, Europe. November 2015.