Gavin Hellier / View over the Churches and cityscape of Reykjavik with a backdrop of snow capped mountains, Iceland 2006

Marie Read / Two Black-capped chickadees (Poecile atricapillus) in mid-air fight by a sunflower, New York, USA, February

Stefan Huwiler / Matterhorn at sunrise in autumn with reflection in the Riffelsee. Zermatt, Valais, Switzerland, Europe, October 2008.

Stefan Huwiler / Matterhorn at sunrise in autumn with reflection in the Riffelsee. Zermatt, Valais, Switzerland, Europe, October 2008.

George Sanker / Limber Pine (Pinus flexilis). Grand Teton National Park, Wyoming, USA, October 2010. Famous patriarch tree of the Grand Tetons just after fall snowstorm. Winner: World Landscapes category in the Outdo...

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

Andy Rouse / Lonnberg's / Subantarctic Skua (Stercoraius antarcticus lonnbergi) displaying aggressive behaviour, South Shetland Islands, Antarctica. (Non-ex)

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

Markus Varesvuo / Bearded vulture (Gypaetus barbatus) flying, Spain, November

Bernard Castelein / Herd of Tibetan Wild Ass (Equus kiang) with view of snow capped mountains behind, Tso Kar lake, Ladakh, India, June 2010

Bernard Castelein / Tso Kiagar lake and snow capped mountains, Ladakh, India, June 2010

Kevin Schafer / Edge of the Monaco Glacier, Leifdefjorden, Svalbard, Norway 2010

Steve Gettle / Black-capped Chickadee (Poecile atricapillus), Kellogg Bird Sanctuary, Michigan

Steve Gettle / Black-capped Chickadee (Poecile atricapillus), Kellogg Bird Sanctuary, Michigan

Steve Gettle / Black-capped Chickadee (Poecile atricapillus) on child's hand, Kensington Metropark, Michigan

Steve Gettle / Black-capped Chickadee (Poecile atricapillus), Huron Meadows Metropark, Michigan

Steve Gettle / Black-capped Chickadee (Poecile atricapillus) with berries, North America

Jeff Wilson / Aerial view of glaciated valley of Concordia, Karakoram Mountains, Himalayas, Pakistan. From Pakistani military helicopter for BBC series Planet Earth April 2005

Jeff Wilson / Aerial view of K2 and glaciated valley of Concordia, Karakoram Mountains, Himalayas, Pakistan. From Pakistani military helicopter for BBC series Planet Earth April 2005

Jeff Wilson / Aerial view of K2 and glaciated valley, Concordia, Karakoram Mountains, Himalayas, Pakistan. From Pakistani military helicopter for BBC series Planet Earth 2005

Aflo / N-20904 Cattle grazing in alpine meadow with snow capped mountains in distance, the Alps, France.

Eric Baccega / Cable car over Mer de Glace glacier, Mont Blanc, Alps, France, July 2001

Nick Upton / Common / Eurasian crane (Grus grus) flock in flight with snow topped Pyrenees mountains in the background, during southward migration period, Haute Pyrenees, Gascony, France. December 2009

Michael Hutchinson / Cerro Fitz Roy with clouds behind, seen across reed-filled lake, Los Glaciares National Park, Argentina February 2009

Gerry Ellis / Australian Sea Lion (Neophoca cinerea) female coming ashore, Kangaroo Island, Australia

Donald M. Jones / Black-capped Chichadee (Poecile atricapillus) in spring, western Montana

Donald M. Jones / Black-capped Chichadee (Poecile atricapillus) perching on snow-covered berries, western Montana

Mitsuaki Iwago / Australian Sea Lion (Neophoca cinerea) resting with seaweed on its head, Australia

Scott Leslie / Black-capped Chickadee (Poecile atricapillus) flying, Granville Beach, Nova Scotia, Canada

Anup Shah / Snow-capped Mount Kilimanjaro with Agave growing in foreground, Amboseli National Park, Kenya.

Anup Shah / Snow-capped Mount Kilimanjaro with native tribesman and Agave in foreground, Amboseli National Park, Kenya.

Luiz Claudio Marigo / Golden capped conure {Aratinga auricapilla} Minas Gerais, Brazil.

Pete Oxford / Domesticated Llama {Lama glama} with snow capped volcano om background, Quetena River Valley, SW Bolivia

Gabriel Rojo / Snow-capped Lanin volcano, Lanin National Park, Argentina, with Monkey puzzle trees (Araucaria araucana) in foreground

Pete Oxford / Brown Capuchin (Cebus apella) stabilizes itself with its prehensile tail while using a heavy rock hammer to crack open palm nuts placed in small pits in the anvil rock surface, Cerrado habitat, Brazil

Pete Oxford / Brown Capuchin (Cebus apella) stabilizes itself with its prehensile tail while using a heavy rock hammer to crack open palm nuts placed in small pits in the anvil rock surface, Cerrado habitat, Brazil

Gerry Ellis / Australian Sea Lion (Neophoca cinerea), Kangaroo Island, Australia

Tom Vezo / Black-capped Chickadee (Poecile atricapillus) in Bayberry bush, Long Island, New York

Pete Oxford / Brown Capuchin (Cebus apella) pair using rock and anvil to crack open Piassava Palm (Attalea funifera) nuts, Cerrado habitat, Piaui State, Brazil

Pete Oxford / Brown Capuchin (Cebus apella) using a rock to crack open a Piassava Palm (Attalea funifera) nut, Cerrado habitat, Piaui State, Brazil

Pete Oxford / Brown Capuchin (Cebus apella) using a rock to crack open a Piassava Palm (Attalea funifera) nut, Cerrado habitat, Piaui State, Brazil

Hiroya Minakuchi / Australian Sea Lion (Neophoca cinerea) underwater portrait, South Australia

Norbert Wu / Australian Sea Lion (Neophoca cinerea) group swimming over seaweed, South Australia

Tui De Roy / White-capped Albatross (Thalassarche steadi) pair courting, Southwest Cape, Auckland Island, New Zealand

Tui De Roy / White-capped Albatross (Thalassarche steadi) couple courting, Southwest Cape, Auckland Island, New Zealand

Mitsuaki Iwago / Australian Sea Lion (Neophoca cinerea) scratching itself, Kangaroo Island, Australia

Norbert Wu / Australian Sea Lion (Neophoca cinerea) group, a favorite prey of Great White Sharks, South Australia

Mitsuaki Iwago / Australian Sea Lion (Neophoca cinerea) male approaching a female to mate, Australia

Mitsuaki Iwago / Australian Sea Lion (Neophoca cinerea) pups on sandy beach, Australia

Robert Fulton / Aerial view of snow capped mountains, Torres del Paine NP, Chile

Gavin Hellier / Elevated view over the Churches and cityscape of Reykjavik with a backdrop of snow capped mountains, Iceland 2006

Hermann Brehm / Red-capped Cardinal (Paroaria gularis) male, Pantanal, Brazil

David Noton / Birch trees in the Rothiemurchus forest against snow capped hills, Cairngorms in winter, Scotland, UK March 2012

David Noton / Birch trees in the Rothiemurchus forest against snow capped hills, Cairngorms in winter, Scotland, UK March 2012

David Pattyn / Brown capped capuchin (Cebus apella) in tree, Pantanal, Mato Grosso, Brazil

Neil Aldridge / Natal Robin/ Red capped robin chat (Cossypha natalensis), Hluhluwe Imfolozi Park.South Africa August

Christophe Courteau / Brown capped capuchin (Cebus apella) looking menacing. Forest Is, Pantanal, Brazil.

Yukihiro Fukuda / White capped / Black noddy (Anous minutus) chick in nest in tree, Christmas Island, Indian Ocean, July

Yukihiro Fukuda / White capped / Black noddy (Anous minutus) and Brown noddy (Anous stolidus) resting on tree, Christmas Island, Indian Ocean, July

Yukihiro Fukuda / White capped / Black noddies (Anous minutus) and Brown noddies (Anous stolidus) resting in a tree, Christmas Island, Indian Ocean, July

Tui De Roy / Chestnut capped brush finch (Arremon brunneinucha) rear view, Guango private reserve, Papallacta Valley, Andean Cloud Forest, Ecuador

Loic Poidevin / Black capped chickadee (Poecile atricapillus) in winter, Quebec, Canada, March

Tim Fitzharris / Black-capped Lory (Lorius lory), Jurong Bird Park, Singapore

Ben Lascelles / Green-barred Woodpecker (Colaptes melanochloros). Perched on fence post with Chestnut-capped Blackbird (Chrysomus ruficapillus) in background. Esteros de Ibera/Ibera Wetlands Provincial Park, Argentin...

Ben Lascelles / Black-capped Donacobius (Donacobius atricapilla). Ibera Wetlands Provincial Park. Argentina, October

Ben Lascelles / Black-capped Donacobius (Donacobius atricapilla). Esteros del Ibera / Ibera Wetlands Provincial Park. Argentina, October

Mark Hamblin / 2020VISION / Snow-capped peaks in the Cairngorms National Park, Scotland, December 2011.

Brent Stephenson / White-capped albatross (Thalassarche steadi) flying low over the sea with reflection, off the coast of Fiordland, New Zealand.

Brent Stephenson / White-capped albatross (Thalassarche steadi) in flight against the sky, showing underwing. Off the Three Kings, Far North, New Zealand.

Bernard Castelein / Capped Langur (Trachypithecus pileatus) on branch. Sepahijala Wildlife Sanctuary, Tripura, India.

Daniel Heuclin / Domesticated Alpaca / Vicugna (Lama / Vicungna pacos) on plains with snow-capped peak in distance. Sajama National Park, Bolivia.

Daniel Heuclin / Domesticated Alpaca / Vicugna (Lama / Vicungna pacos) on plains with snow-capped peaks in distance. Sajama National Park, Bolivia.

Daniel Heuclin / Two domesticated Lama (Lama glama) on high altitude plain with snow-capped peak on horizon. Sajama National Park, Bolivia.

Konrad Wothe / Sooty-capped bush tanger (Chlorospingus pileatus) in rainforest, Cerro de la muerte, Costa Rica

Luiz Claudio Marigo / Violet-capped woodnymph (Thalurania glaucopis) male feeding at bromeliad flower in mountainous Atlantic Rainforest of Serra Bonita Natural Private Heritage Reserve (RPPN Serra Bonita), municipality of...

Daniel Heuclin / Giant golden-crowned flying fox / Golden capped fruit bat (Acerodon jubatus) wings being held out by man, Luzon, Philippines. Endangered species.

Daniel Heuclin / Giant golden-crowned flying fox / Golden capped fruit bat (Acerodon jubatus) hanging from a tree, Luzon, Philippines. Endangered species.

Brent Stephenson / White-capped albatross (Thalassarche steadi) young comes in to land at sea, with feet spread, off Stewart Island, New Zealand, November.

Brent Stephenson / White-capped albatross (Thalassarche steadi) flying directly at the camera, off Stewart Island, New Zealand. November.

Brent Stephenson / Southern Royal albatross (Diomedea epomophora) comes in to try and steal food from a group of Salvin's (Thalassarche salvini) and White-capped albatrosses (Thalassarche steadi) off Stewart Island, New...

Brent Stephenson / White-capped albatross (Thalassarche steadi) skimming the water with wing, off Stewart Island, New Zealand, November.

Brent Stephenson / Snow-capped mountains with the limestone rocks of Castle Hill in the foreground, Castle Hill, Canterbury, New Zealand, November 2010.

Roland Seitre / Flock of Cobalt-winged Parakeet (Brotogeris cyanoptera) and Black-capped Parakeet (Pyrrhura rupicola) in shade under tree. Madre de Dios, Peru, September.

Martin Willis / Red-capped Robin (Petroica goodenovii) nest of spider webs and bark camouflaged in the fork of a tree contains three dark blotched blue eggs, Bourke, New South Wales, Australia

Martin Willis / Red-capped Robin (Petroica goodenovii) female in threat display, Bourke, New South Wales, Australia

Martin Willis / Red-capped Plover (Charadrius ruficapillus) female incubating eggs laid in depression, Townsville, Queensland, Australia

Martin Willis / Red-capped Plover (Charadrius ruficapillus) female incubating eggs laid in depression, Townsville, Queensland, Australia

Martin Willis / Red-capped Plover (Charadrius ruficapillus) female, Townsville, Queensland, Australia

Martin Willis / Red-capped Plover (Charadrius ruficapillus) female in diversion display, Townsville, Queensland, Australia

Konrad Wothe / Grey-headed Social-Weaver (Pseudonigrita arnaudi) nests in Acacia (Acacia sp) tree, Ruaha National Park, Tanzania

Mark Bowler / Brown capuchin / Guianan Island Brown Capuchin (Cebus apella apella) feeding on fruit, Guiana. Captive

Roy Mangersnes / Brown-capped Capuchin (Sapajus / Cebus apella) in tree. Madidi National Park, Bolivia.

Roy Mangersnes / Brown-capped Capuchin (Sapajus / Cebus apella) on vines. Madidi National Park, Bolivia.

Roy Mangersnes / Brown-capped Capuchin (Sapajus / Cebus apella) looking up through canopy. Madidi National Park, Bolivia.

Roy Mangersnes / Brown-capped Capuchin (Sapajus / Cebus apella) in tree. Madidi National Park, Bolivia.

Roy Mangersnes / Brown-capped Capuchin (Sapajus / Cebus apella) on vines. Madidi National Park, Bolivia.