Bruno D'Amicis / Apennine chamois (Rupicapra pyrenaica ornata) herd resting on altitude plateau of Majella Massif, in moonlight with distant urban lights in the background. Endemic to the Apennine mountains. Majella N...

George Sanker / Black bear (Ursus americanus) female and cubs on rocky slope. Yellowstone National Park, Wyoming, USA. May.

Dong Lei / Alpine musk deer (Moschus chrysogaster) on scree slope. Jiudingshan Nature Reserve, Mao Country, Sichuan Province, China. July.

Nick Upton / Pica de Balbin and Pena Fresnidiello limestone peaks either side of the Canal de Lechangos scree-filled gulley above the Vega Fresnidiello, near Sotres, Picos de Europa, Asturias, Spain, August 2016.

Pal Hermansen / High Coast World Heritage Site from Slattdalsberget, Skuleskogen National Park, Vasternorrland, Sweden. August, 2018.

Pal Hermansen / High Coast World Heritage Site from Slattdalsberget, Skuleskogen National Park, Vasternorrland, Sweden. August, 2018.

Pal Hermansen / Rocks and pebble field in coniferous forest, view from Slattdalsberget, Skuleskogen National Park, High Coast World Heritage Site, Vasternorrland, Sweden. August, 2018.

Pal Hermansen / Rock outcrop, pebble field and coniferous forest with Gulf of Bothnia in background. View from Slattdalsberget, Skuleskogen National Park, High Coast World Heritage Site, Vasternorrland, Sweden. Augus...

Pal Hermansen / High Coast World Heritage Site from Slattdalsberget, Skuleskogen National Park, Vasternorrland, Sweden. August, 2018.

Pal Hermansen / High Coast World Heritage Site from Slattdalsberget, Skuleskogen National Park, Vasternorrland, Sweden. August, 2018.

Guy Edwardes / Skrlatica Mountain, Julian Alps, Triglav National Park, Slovenia. July 2016

Tony Heald / King penguin (Aptenodytes patagonicus) colony in Royal Bay, South Georgia. October 2017.

Dong Lei / Saw-wort / Snow lotus (Saussurea aster) Sanjiangyuan National Nature Reserve, Qinghai Hoh Xil UNESCO World Heritage Site, Qinghai-Tibet Plateau, Qinghai Province, China.

Dong Lei / Wild flower (Corydalis sp) on mountainside, Sanjiangyuan National Nature Reserve, Qinghai Hoh Xil UNESCO World Heritage Site, Qinghai-Tibet Plateau, Qinghai Province, China.

Dong Lei / Saw-wort / Snow lotus (Saussurea medusa) Sanjiangyuan National Nature Reserve, Qinghai Hoh Xil UNESCO World Heritage Site, Qinghai-Tibet Plateau, Qinghai Province, China.

Alex Hyde / Alpine toadflax (Linaria alpina) growing in scree slope on mountainside. Nordtirol, Austrian Alps, July.

Eric Dragesco / Wild Snow leopard (Uncia uncia) walking across a snow covered scree slope, Altai Mountains, Mongolia, February.

Eric Dragesco / Wild Snow leopard (Uncia uncia) climbing down a scree slope towards the camera, Altai Mountains, Mongolia, February.

SCOTLAND: The Big Picture / Fiacaill Coire an t-Sneachda in morning light with Loch Morlich in distance, Cairngorms National Park, Scotland, October 2016.

SCOTLAND: The Big Picture / Sron Riach and Carn Mhaim, Cairngorm Mountains, Cairngorms National Park, Scotland, UK, September 2016.

Graham Eaton / High Cup Valley, u-shaped valley with intrusive dolerites of Great Whin Sill exposed on both sides of valley, Appleby in Westmorland, Cumbria, England, March 2017.

Paul Harcourt Davies / Apennine gentian (Gentiana dinarica) growing on scree slope, Gran Sasso, Abruzzo, Italy. April.

Paul Harcourt Davies / Apennine gentian (Gentiana dinarica) growing on scree slope, Gran sasso, Abruzzo, Italy. April.

Espen Bergersen / Ptarmigans (Lagopus mutus) in white winter plumage, camouflaged against mountain scree with snow, Spitsbergen, Svalbard, Norway, April

SCOTLAND: The Big Picture / Lairig Ghru and Creag an Leth-choin / Lurcher's Crag, Cairngorms National Park, Scotland, UK, September 2013.

SCOTLAND: The Big Picture / Rain shower over Upper Loch Torridon, Wester Ross, Scotland, UK, October 2015.

Nick Upton / Limestone boulders and scree on the slopes of Mount Maglic, Bosnia's highest mountain, with a view to Velika Vitao peak in Montenegro across the nearby border, Sutjeska National Park, Bosnia and Herze...

Nick Upton / Viper's bugloss clump (Echium vulgare) flowering on Piva plateau among limestone scree, near Trsa, Montenegro, July.

Nick Upton / Limestone boulders and scree on the slopes of Mount Maglic, Bosnia's highest mountain, with a view to Velika Vitao peak in Montenegro across the nearby border, Sutjeska National Park, Bosnia and Herze...

Nick Upton / Rock Pink / Wood pink (Dianthus sylvestris) flowering among limestone scree on Mount Maglic, Sutjeska National Park, Bosnia and Herzegovina, July.

Wild Wonders of Europe / Widstrand / Central Apennines Rewilding Area, Lazio e Molise National Park, Abruzzo, Italy. June 2014.

Alex Hyde / Limestone cliffs and scree on Mala Mojstrovka. Triglav National Park, Julian Alps, Slovenia, July 2015.

Alex Hyde / Limestone cliffs and scree on Mala Mojstrovka. Triglav National Park, Julian Alps, Slovenia, July 2015.

Alex Hyde / Ash trees (Fraxinus excelsior) growing on limestone scree in Lathkill Dale, Peak District National Park, Derbyshire, UK. September.

Alex Hyde / Ash trees (Fraxinus excelsior) growing on limestone scree in Lathkill Dale, Peak District National Park, Derbyshire, UK. September.

Alex Hyde / Ash trees (Fraxinus excelsior) growing on limestone scree in Lathkill Dale, Peak District National Park, Derbyshire, UK. September.

Konstantin Mikhailov / Mountain pass across Gissarsky Range in Pamir-Alai Mountiand, Tajikistan. June 2014.

Dong Lei / Bharal sheep (Pseudois nayaur) on rocky mountain slope, Serxu, Shiqu county, Sichuan Province, Qinghai-Tibet Plateau, China, August.

Dong Lei / Bharal sheep (Pseudois nayaur) on rocky mountain slope, Serxu, Shiqu county, Sichuan Province, Qinghai-Tibet Plateau, China, August.

Mike Potts / Buller's albatross (Thalassarche bulleri) nesting on rocky scree slope. Over 8,000 pairs breed on the Snares Islands, New Zealand.

Bruno D'Amicis / Apennine chamois (Rupicapra pyrenaica ornata) herd resting on altitude plateau of Majella Massif, in moonlight with distant urban lights in the background. Endemic to the Apennine mountains. Majella N...

Nick Upton / Aftermath of a major forest fire within Corsica's National Park (Parc Naturel Regional de Corse), a year on, with large area of forest and maquis scrub destroyed and first flush of regrowth among bare...

Robert Thompson / Aerial view of the scree slopes of Slieve Muck, Derryveagh Mountains, County Donegal, Republic of Ireland, September 2009

Inaki Relanzon / Scree slopes in the Landmannalaugar highlands, central Iceland

Colin Monteath / Vegetable Sheep (Raoulia sp) member of daisy family, grows on dry rocky scree slopes, Craigieburn Range, Southern Alps, Canterbury, New Zealand

Colin Monteath / Vegetable Sheep (Raoulia sp) member of daisy family, grows on dry rocky scree slopes, Craigieburn Range, Southern Alps, Canterbury, New Zealand

Gertrud & Helmut Denzau / Scree slopes of Upper Indus river, Ladakh, North East India

Nick Upton / Scree covered slopes of Mount Hohuan east peak, Taiwan

Colin Monteath / Trekkers descend steep scree slopes from Santa Rosa Pass with Jurau Lake and peaks of Yerupaja and Siula Grande in clouds, Cordillera Huayhuash, Andes, Peru

Guy Edwardes / Sand dunes on volcanic black sand beach, Vestrahorn, Hofn, Iceland, September 2018.

Ross Hoddinott / Vestrahorn mountain at dawn, south-east Iceland, Atlantic Ocean. November.

Paul Harcourt Davies / Rock candytuft (Iberis saxatils) flowering on rocky scree, Gran Sasso, Abruzzo, Italy. May.

Paul Harcourt Davies / Dark red helleborine (Epipactis atrorubens) in flower at 1800m on Mount Terminillo, Lazio, Italy. July.

Paul Harcourt Davies / Rock soapwort (Saponaria ocymoides) in flower on rocky mountain scree, Sibillini mountains, Umbria, Italy. May.

Paul Harcourt Davies / Apennine woad (Isatis apennina) flowering on limestone scree above the snow line, Terminillo, Lazio, Italy. July.

Ashley Cooper / Limestone scree, Yorkshire Dales National Park, Yorkshire, UK. July, 2020.

Denis-Huot / Candytuft flowers (Iberis candolleana) in the rocky scree, peak of Mount Ventoux, Vaucluse, France, June.

Paul Harcourt Davies / Scree rich in alpine plants with the Fane Alps mountain range beyond including Marmolada, the highest peak in the Dolomites at 3343m. Underground tunnels built during the First World War lie in this a...

Enrique Lopez-Tapia / Tsarap River with pale blue water from glacial melt, and surrounding valley. Zanskar, Ladakh, India. September 2011.

Enrique Lopez-Tapia / Tsarap River with pale blue water from glacial melt, and surrounding valley. Zanskar, Ladakh, India. September 2011.

Enrique Lopez-Tapia / Scree slope and mountains. Photang River valley, Zanskar, Ladakh, India. September 2011.

Enrique Lopez-Tapia / Zanskar mountains, erosion on mountainside with peaks beyond. Near Sisir La mountain pass, at an altitude of 4720m. Ladakh, India. September 2011.

Erlend Haarberg / Arctic fox (Alopex lagopus), Svalbard, Norway, September.