Peter Cairns / 2020VISION / Red deer (Cervus elaphus) stag in pine forest in snow blizzard, Alvie Estate, Cairngorms NP, Highlands, Scotland, UK, March. Photographer quote: "At times I couldn't see this red deer stag such was th...

Roy Mangersnes / Two Cape / Pintado Petrels (Daption capense) in flight over Point Wild on Elephant Island, Southern Ocean, November.

Jeff Vanuga / Bison herd grazing in spring with Grand Teton mountains in background, Grand Teton National Park, Wyoming, USA, April 2009

Wild Wonders of Europe / Zacek / View over snow covered trees, with decreasing snow cover as altitude drops to a frozen snow covered lake in the distance, Riisitunturi National Park, Finland, February 2009. WWE INDOOR EXHIBITION

Wild Wonders of Europe / Zacek / View over snow covered trees, with decreasing snow cover as altitude drops to a frozen snow covered lake in the distance, Riisitunturi National Park, Finland, February 2009

Jack Dykinga / Bryce Canyon National Park after winter snow storms caused heavy frost and snow to cover conifer trees. Bryce Canyon National Park, Utah, USA, January.

Nick Garbutt / Wild snow leopard (Panthera uncia) bursting from cover. Ladakh Range, Western Himalayas, Ladakh, India.

Guy Edwardes / Aerial view of Julian Alps with cloud cover, Slovenia, January 2014.

Ashley Cooper / Funicular railway, at Cairngorm Ski resort in Scotland UK. March 2009

Ashley Cooper / Member of the Scottish Avalanche Information Service looks at snow crystals to help assess avalanche risk on Cairngorm in the Cairngorm National Park, Scotland, UK. March 2009

Ashley Cooper / Member of the Scottish Avalanche Information Service looks at snow crystals to help assess avalanche risk on Cairngorm in the Cairngorm National Park, Scotland, UK. March 2009

Ashley Cooper / Member of the Scottish Avalanche Information Service demonstrates how to assess avalanche risk on Cairngorm in the Cairngorm National Park in Scotland UK. February 2009