Pal Hermansen / Avalanche on Gullemot (Uria aalge) nesting cliff on first day birds return to breed. Finnmark, Norway. March.

Peter Cairns / 2020VISION / Mist swirling around Coire an Lochain in winter, Cairngorm Mountains, Cairngorms NP, Highland, Scotland, UK, February 2011

Floris van Breugel / Avalanche lilies (Erythronium montanum) blooming in colourful alpine meadow, with glaciated Mount Olympus behind, Olympic National Park's backcountry Bailey Range, Washington, USA. July 2008.

Uri Golman / Snow avalanche falling into sea, Jakobshavn, Ilulissat, Kangia, Icefjord, Greenland. October 2008.

Andrew Walmsley / Kea (Nestor notabilis) on rock, summit of Avalanche Peak), Arthur's Pass, New Zealand, February 2009, Vulnerable species

Colin Monteath / Powder snow avalanche falling from Gasherbrum, Baltoro Glacier, Karakoram Mountains, Pakistan

David Pattyn / Remains from avalanches after the snow has melted with broken trees and masses of rocky debris remaining, Valsavarenche, Gran Paradiso National Park, Aosta Valley, Italy

David Pattyn / Snow masses from avalanches remaining well into spring in Valsavarenche after a winter with huge destructive avalanches, Valsavarenche, Gran Paradiso National Park, Aosta Valley, Italy

Jeff Foott / Cascade, Avalanche Creek, Glacier National Park, Montana

Jeff Foott / Cascade, Avalanche Creek, Glacier National Park, Montana

Jeff Foott / Tree and rock in creek, Avalanche Creek, Yosemite National Park, California

Ashley Cooper / Avalanche on Machapuchare or Fishtail Peak in the Annapurna Himalaya, Nepal. It was caused by a massive block of glacial ice detaching from the summit cliffs, 29th December 2012.