SCOTLAND: The Big Picture / Red squirrel (Sciurus vulgaris) in summer coat on Scots pine tree trunk, Highlands, Scotland

SCOTLAND: The Big Picture / Scots pine (Pinus sylvestris) with Northern lights / Aurora borealis lighting up the night sky in background, Monadhliath Mountains, Cairngorms National Park, Scotland, UK, October 2015.

Niall Benvie / Scots pines (Pinus sylvestris) Torridon, Scotland, UK, November.

Andy Trowbridge / Capercaillie (Tetrao urogallus) male displaying in Scots pine tree (Pinus sylvestris) Southern Norway. May.

Erlend Haarberg / Siberian jay (Perisoreus infaustus) in Scots pine forest, near fallen tree, Stora Sjofallet National Park, Laponia World Heritage Site, Lapland, Sweden, October.

Sandra Bartocha / Scots pine (Pinus sylvestris) trees in snowy woodland in evening sunlight, Potsdam, Germany, January.

Sandra Bartocha / Silver birch (Betula pendula) and Scots pine (Pinus sylvestris) trunks in snow, Muritz-National Park, Germany, January.

Sandra Bartocha / Scots pine (Pinus sylvestris) forest in spring, Muritz-National Park, Germany, May.

Peter Cairns / 2020VISION / Two Scots pine trees (Pinus sylvestris) silhouetted at sunset, Glen Affric, Scotland, UK, October 2012. Did you know? The bark of a Scots pine tree can be up to 5 centimetres thick.

Peter Cairns / 2020VISION / Three Scots pine (Pinus sylvestris) trees, with conifer woodland in the background, Glen Affric National Nature Reserve, Scotland, UK, October 2012.

Sandra Bartocha / Scots Pine trees (Pinus sylvestris) in evening sunlight. January. Specially commended, Creative Visions category, Wildlife Photographer of the Year WPY 2012 competition.

Sandra Bartocha / Forest view of trunks of Scots Pine (Pinus sylvestris), Downy European white birch (Betula pubescens) and European Beech (Fagus sylvatica) trees, Muritz National Park, Germany, November