Andy Rouse / Mountain gorilla (Gorilla beringei) silverback in Susa group, Parc National des Volcans, Rwanda

George Sanker / Ellis River high in White Mountain National Forest. New Hampshire, October 2012.

Gavin Hellier / Wenkchemna Peaks or Ten Peaks rising over Moraine lake in the snow, near Lake Louise, Banff National Park, Alberta, Canada, 2007

Gavin Hellier / Wenkchemna Peaks or Ten Peaks rising over Moraine lake in the snow, near Lake Louise, Banff National Park, Alberta, Canada, 2007

Gavin Hellier / Peyto Lake, coloured by glacial silt, Banff-Jasper National Parks, Alberta, Canada, 2007

Mark Hamblin / 2020VISION / Mountain bikers on upland path on route to Ben Macdui, Cairngorms National Park, Scotland, UK, August.

Ross Hoddinott / Derwent Water, fence, gate and flooding, looking to Catbells mountain, near Keswick, The Lake District, Cumbria, UK. October 2012.

Ben Hall / Chilean flamingos (Phoenicopterus chilensis) in flight over mountain peaks with glacier in the distance, Torres Del Paine National Park, Chile. Winner of Landscape category, Nature's Best / Windland S...

Ben Hall / Andean condor (Vultur gryphus) in flight over mountain peaks, Torres Del Paine National park, Chile.

Tim Fitzharris / Mount Rundle and Johnson Lake, Banff National Park, Alberta, Canada

Suzi Eszterhas / Mountain Gorilla (Gorilla gorilla beringei) silverback feeding, Parc National des Volcans, Rwanda

Suzi Eszterhas / Mountain Gorilla (Gorilla gorilla beringei) mother holding five month old twin babies, Parc National des Volcans, Rwanda

Suzi Eszterhas / Mountain Gorilla (Gorilla gorilla beringei) mother holding five month old twin babies, Parc National des Volcans, Rwanda

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

Oriol Alamany / Angel Glacier with morraine, Jasper National Park, Rocky Mountains, Alberta, Canada

Oriol Alamany / Nigel Creek with conifer forest at dusk, Banff National Park, Rocky Mountains, Alberta, Canada

Christophe Courteau / Mountain Gorilla (Gorilla beringei) female holding baby in dense vegetation in Volcanoes National Park, Rwanda, at an altitude of 3000m, short dry season, February

Christophe Courteau / Mountain gorilla (Gorilla beringei) baby in mother's arms. 3000 metres above sea level in Volcanoes National Park, Rwanda. Short dry season, February

Christophe Courteau / Mountain Gorilla (Gorilla beringei) dominant male silver back sitting amongst vegetation. 2700 metres above sea level in Volcanoes National Park, Rwanda. short dry season, February

Enrique Lopez-Tapia / Climber on Kala Pattar peak (5545m) with Buddhist prayer flags at sunset. Sagarmatha National Park UNESCO World Heritage Site, Khumbu/Everest Region, Nepal, Himalaya. October 2011. Winner of Mountain...

Alex Hyde / Yellow form of Mountain Pansy (Viola lutea) growing amongst purple form. Peak District National Park, Derbyshire, UK, May.

Christophe Courteau / Silverback Mountain gorilla (Gorilla beringei) in the bamboo forest, this is Munyinya the leader of Hirwa group, Sabyinyo volcano, Volcano National Park, Rwanda

Christophe Courteau / Mountain gorillas (Gorilla beringei) Hirwa group led by the silverback dominant male Munyinya, Volcanoes National Park, Rwanda, elevation 2610 m

Christophe Courteau / Mountain gorilla silverback, male called Munyinya, (Gorilla beringei) with tourist taking photo, part of Hirwa Group, Volcanoes National Park, Rwanda

Mark Hamblin / 2020VISION / Mountain Hare (Lepus timidus) in winter pelage, running across snow. Scotland. January 2010. Highly commended, 'Animal Behaviour' category, British Wildlife Photography Awards (BWPA) competition 2012.

Mark Hamblin / 2020VISION / Mountain Hares (Lepus timidus) boxing in winter. Cairngorms National Park, Scotland, UK, January. Did you know? Although they are normally solitary, Mountain hares can gather in groups of up to 20 dur...

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) in alert pose. Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) sub-adult leveret portrait. Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) against mountains. Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) sub-adult leveret yawning. Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) sub-adult leveret yawning. Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) sub-adult leveret. Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) sub-adult leveret in mid summer, Cairngorms National Park, Scotland, July.

Fergus Gill / 2020VISION / Snow Butning (Plectrophenax nivalis) Searching for food in a snow storm. Cairngorms National Park

Fergus Gill / 2020VISION / Mountain Hare (Lepus timidus) sub-adult leveret alert in mid summer, Cairngorms National Park, Scotland. July 2011

Eric Dragesco / Large male Argali sheep (Ovis ammon) standing on mountain side, Gobi National Park, Mongolia

Laurie Campbell / Mountain pansy (Viola lutea) flowers, Strathspey, Cairngorms National Park, Scotland, June

Donald M. Jones / Mountain Goat (Oreamnos americanus) mother and kid, Glacier National Park, Montana

Donald M. Jones / Mountain Goat (Oreamnos americanus) in alpine meadow, Glacier National Park, Montana

Graham Eaton / A low angle view of a waterfall, from within a mountain stream, Ogwen Cottage, Snowdonia NP, Gwynedd, Wales, UK, February

Graham Eaton / Underwater landscape within a mountain stream, showing water turbulence, Snowdonia NP, Gwynedd, Wales, UK, December

Graham Eaton / A split-level image of a mountain stream, in autumn, with water droplets on lens, Nant Ffrancon Valley, Snowdonia NP, Gwynedd, Wales, UK, October

Graham Eaton / Underwater view of a rapidly flowing mountain stream, Snowdonia NP, Gwynedd, Wales, UK, November

Graham Eaton / View of frozen Llynnau Mymbyr, a mountain lake, with fog partly revealing a mountain ridge, Snowdonia NP, Gwynedd, Wales, UK, December

Graham Eaton / Underwater view of a mountain lake, Llyn Idwal, Snowdonia NP, Gwynedd, Wales, UK, December

Graham Eaton / Underwater view of a mountain lake with frozen surface, Llyn Idwal, Snowdonia NP, Gwynedd, Wales, UK, December

Graham Eaton / Underwater view of a mountain lake, Llyn Idwal, Gwynedd, Snowdonia NP, Wales, UK, December

Luiz Claudio Marigo / Aterro do Flamengo, a park designed by Roberto Burle Marx, with Rio de Janeiro city and the Sugar Loaf mountain in the background, Rio de Janeiro State, Brazil, May 2011

Mark Hamblin / 2020VISION / Hill walker watching Mountain hare (Lepus timidus) in snow, Cairngorms NP, Scotland, March 2010 Model Released

Alex Hyde / Mountain Hare (Lepus timidus) on moorland with white winter coat, Kinder Scout, Peak District National Park, Derbyshire, UK, February.

Luis Quinta / Mountain rock thrush (Monticola saxatilis) female with lizard prey, Pitoes das Junias, Geres National Park, Portugal, June.

Mark Hamblin / 2020VISION / Cairngorm mountain landscape in winter, Cairngorms NP, Scotland, UK, February 2010

Mark Hamblin / 2020VISION / Mountain hare (Lepus timidus) sitting on a ridge, in winter coat in snow, Cairngorms NP, Scotland, UK, February

Mark Hamblin / 2020VISION / Two Mountain hares (Lepus timidus) in winter coats, running over snow, Cairngorms NP, Scotland, UK, February

Oriol Alamany / Chilean huemul or South Andean deer (Hippocamelus bisulcus), Torres del Paine National Park, Patagonia, Chile. Endangered species

Oriol Alamany / Cuernos del Paine at dawn seen from Pehoe lake, Torres del Paine National Park, Patagonia, Chile

Oriol Alamany / Grey glacier over Grey lake, Torres del Paine National Park, Patagonia, Chile

Ole Jorgen Liodden / Young Mountain Gorilla (Gorilla beringei beringei) portrait, looking thoughtful. Parc des Volcans National Park, Rwanda, December.

Inaki Relanzon / Blue ice melt pool in snow near the peak of La Munia Circo. The Pyrenees, Aragon, Spain, May 2011.

Kirkendall-Spring / Meadow flowers blooming on Mazama Ridge in Mount Rainier National Park with the Tatoosh Range in the distance, Washington, USA, August 2009

George Sanker / Limber Pine (Pinus flexilis) against high mountain peaks. Grand Teton National Park, Wyoming, USA. Autumn 2010.

Grzegorz Lesniewski / Dawn rising behind Polonina Carynska. Bieszczady National Park, the Carpathians, Poland, October 2009.

Radomir Jakubowski / Mountains and a freezing lake in Rondane National Park, Norway, September 2010. Winner, Fritz Polking Junior Award portfolio, GDT 2011 Competition.

Graham Eaton / Split level image of Cwm Idwal and Llyn Idwal showing lake and mountain habitat and lacustrine algae, Snowdonia NP, North Wales, UK, January 2010. Winner of the Living Landscape: Connectivity categor...

Mark Hamblin / 2020VISION / Mountain hare (Lepus timidus) in winter coat, running across snow, Cairngorms NP, Scotland, January 2010. Photographer quote: "After 4 hours of trudging through deep snow I was completely exhausted an...

Wild Wonders of Europe / Lesniewski / Roe Deer (Capreolus capreolus) in mountain meadow. Bieszczady, Carpathian Mountains, Poland, June.

Wild Wonders of Europe / Lesniewski / Wild Brown Bear (Ursus arctos) in mountain meadow. Bieszczady, Carpathian Mountains, Poland, May.

Inaki Relanzon / A snowy mountain peak lit by low crepuscular light before sunset. Ordesa National Park, Pyrenees, Aragon, Spain, February 2009.

Andy Rouse / Harvested potatoes in Virunga Volcanoes National Park with agricultural land behind and forest beyond where the mountain gorillas live, Rwanda, April 2010. Encroachment of the human population on habi...

Eric Dragesco / A view of the mountainous habitat of the Markhor. Naryn National Park, Kyrgyzstan, Central Asia, November 2009.

Peter Lewis / The Church Tower of Crickhowell with the snow covered "Table Mountain" beyond. Brecon Beacons National Park, Powys, Wales, January 2010.

Peter Cairns / 2020VISION / Rock ptarmigan (Lagopus mutus) tracks in snow, with low winter sun, Lochain Mountain, Cairngorms NP, Highlands, Scotland, UK, February 2010. 2020VISION Book Plate.

Peter Cairns / 2020VISION / Line of mountain walkers in winter, Lochain Mountains, Cairngorms NP, Highlands, Scotland, UK, February 2010. 2020VISION Exhibition. 2020VISION Book Plate.

Fergus Gill / Mountain hare (Lepus timidus) sheltering on a winter day. Cairngorms National Park, Scotland, March

Colin Monteath / Waterfall below Mount Fitzroy, Los Glaciares National Park, Patagonia, Argentina

Colin Monteath / Waterfall at dawn below Mount Fitzroy, Los Glaciares National Park, Patagonia, Argentina

Eric Baccega / Gros Morne mountain, with sun shining through clouds, Gros Morne National Park, Newfoundland, Canada, September 2010

Andy Rouse / Mountain gorilla (Gorilla beringei) silverback beating chest and charging, Susa group, Parc National des Volcans, Rwanda Not available for ringtone/wallpaper use.

Andy Rouse / Mountain gorilla (Gorilla beringei) silverback, Susa group, Parc National des Volcans, Rwanda

Andy Rouse / Mountain gorilla (Gorilla beringei) silverback charging forward, Susa group, Parc National des Volcans, Rwanda

Andy Rouse / Mountain gorilla (Gorilla beringei) silverback beating chest and charging forward, Susa group, Parc National des Volcans, Rwanda, HIGHLY COMMENDED, MAMMAL BEHAVIOUR, 2011 WILDLIFE PHOTOGRAPHER OF THE...

Andy Rouse / Mountain gorilla (Gorilla beringei) silverback beating chest and charging, Susa group, Parc National des Volcans, Rwanda

Andy Rouse / Mountain gorilla (Gorilla beringei) youngster with bad teeth in Susa group, Parc National des Volcans, Rwanda

Oriol Alamany / Peak and glaciers at Paine Grande (3050 m), Torres del Paine National Park, Patagonia, Chile, January 2006

Andrew Parkinson / Ptarmigan (Lagopus mutus) in white winter plumage framed by a walker passing by during a blizzard. Cairngorm Mountains, Scotland, UK. February (non-ex)

Andrew Parkinson / Ptarmigan (Lagopus mutus) male in flight over snow covered Cairngorm Mountains, Scotland, February. (non-ex)

John Waters / Golden eagle (Aquila chrysaetos) adult female taking off, flying over mountain landscape, trained bird photographed during filming in Glenveagh National Park, Donegal, Republic of Ireland. August 2010

John Waters / Golden eagle (Aquila chrysaetos) adult female taking off, flying over mountain landscape, trained bird photographed during filming in Glenveagh National Park, Donegal, Republic of Ireland. August 2010

Tim Fitzharris / Yosemite Falls, Yosemite National Park, California

Graham Eaton / An underwater view of a mountain stream showing internal reflections on the water surface, Snowdonia NP, Gwynedd, Wales, UK, December 2009.

Mark Hamblin / Mountain hare (Lepus timidus) running across wind swept snow field, near Carrbridge, Cairngorms National Park, Scotland, January 2010. Highly commended in the Habitat category of the BWPA competition...

David Noton / Emerald Lake at dawn with the peaks of the President Range beyond, Yoho National Park, British Columbia, Canada. September 2009

David Noton / Emerald Lake with the peaks of the President Range beyond, Yoho National Park, British Columbia, Canada. September 2009

David Noton / Pine trees by the Athabasca River near Jasper, Jasper National Park, Alberta, Canada. September 2009

David Noton / Athabasca River near Jasper, Jasper National Park, Alberta, Canada. September 2009

David Noton / Athabasca River with Dragon Peak and the Winston Churchill Range at dawn, Jasper National Park, Alberta, Canada. September 2009