David Tipling / Grey Squirrel (Sciurus carolinensis) climbing on fence, St James Park, London, UK, October

Alex Hyde / Nine Stone Close stone circle, Peak District National Park, Derbyshire, UK. November.

Kevin Schafer / Larch (Larix sp) trees in autumn below Mount Assiniboine with Sunburst Lake, Mount Assiniboine Provincial Park, British Columbia, Canada

Floris van Breugel / Autumn colors along the shores of Pharaoh Lake in Adirondacks park, New York, USA. October

Floris van Breugel / Sub-alpine larches (Latrix sp.) in late autumn in North Cascades National Park, Washington, USA. October.

Steven Kazlowski / Polar bear (Ursus maritimus) adult walking over newly formed pack ice during fall freeze up, 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska, USA

Steven Kazlowski / Polar bear (Ursus maritimus) sow and cub sliding on their backs over the pack ice, much like ice skating, 1002 coastal plain of the Arctic National Wildlife Refuge, Alaska, USA

Sandra Bartocha / European Beech (Fagus sylvatica) tree in misty autumn forest, Muritz National Park, Serrahn, Germany UNESCO World Natural Heritage Site November

Sandra Bartocha / European Beech (Fagus sylvatica) woodland in the mist, Serrahn, Muritz National Park, Germany, World Natural Heritage Site, November

Sandra Bartocha / European Beech (Fagus sylvatica) woodland in the mist, Serrahn, Muritz National Park, Germany, World Natural Heritage Site, November

Sandra Bartocha / European Beech (Fagus sylvatica) forest, Naturpark Feldberger Seenlandschaft / Feldberger lake district nature park, Germany, November

Mark Hamblin / 2020VISION / Pine forest on misty autumn morning, Rothiemurchus Forest, Cairngorms National Park, Scotland