Yashpal Rathore / Demoiselle crane (Anthropoides virgo) low angle view with cloudy sky, Khichan, Western Rajasthan, India. December.

Anup Shah / African elephant (Loxodonta africana) approaching camera with curiosity, Maasai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / African elephants (Loxodonta africana) feeding on loose soil for its minerals, Maasai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / African elephants (Loxodonta africana) family herd feeding on loose soil for its minerals, with dramatic stormy skies behind, Maasai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Wim van den Heever / African Wild dogs or Cape hunting dogs (Lycaon pictus) at close range taken from ground level, Zimanga Private Game Reserve, South Africa.

Niall Benvie / Young Icelandic horse near Stokkness, Iceland, March.

David Pattyn / Red fox (Vulpes vulpes) in grassland, The Netherlands, July.

Anup Shah / Spotted hyena (Crocuta crocuta) pup approaching with curiosity. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / Eastern white-bearded wildebeest (Connochaetes taurinus) herd running. Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / Cape buffalo (Syncerus caffer) young male approaching with curiosity. Masai Mara Nationa Reserve, Kenya. Taken with remote wide angle camera.

Anup Shah / Cape buffalo (Syncerus caffer) young male approaching with curiosity. Masai Mara Nationa Reserve, Kenya. Taken with remote wide angle camera.

Felicity Lanchester,Felicity Lanchester / Cloud iridescence forming above a cumulonimbus cloud, caused by light refraction through individual water droplets and ice crystals at high altitude, Sierra Leone.

Steven Kazlowski / Polar bear (Ursus maritimus) investigating camera on pack ice off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Beaufort Sea, autumn

Steven Kazlowski / Polar bear (Ursus maritimus) investigating camera on pack ice off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Beaufort Sea, autumn

Steven Kazlowski,Steven Kazlowski / Polar bear (Ursus maritimus) 4-5 year-old on pack ice, low angle shot, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, Beaufort Sea, autumn

Paul Harcourt Davies,Paul Harcourt Davies / Low lying cloud / mist over the Piano Grande in the early morning, Sibillini, Norcia, Italy, June 2010

Niall Benvie / Cloud formations lit by low sun. Brechin, Angus, Scotland, December 2012.

Niall Benvie,Niall Benvie / Stratus and cirrus clouds above the Isle of Coll. Scotland, August 2012.

Niall Benvie,Niall Benvie / Alto cumulus clouds. Angus, Scotland, August 2012.

Michael Pitts,Michael Pitts / Sooty Terns (Onychoprion fuscata) flock in flight, Midway Island. Central Pacific.

Franco Banfi / Blue shark (Prionace glauca) viewed from below, with Snell's window effect, Pico Island, Azores, Portugal, Atlantic Ocean

Floris van Breugel / Tiny thimble jellyfish (Linuche unguiculata) drift with the current in the calm turquiose waters of a lagoon in Ofu, American Samoa. The window of sky is called Snell's Window, caused by refraction of...

Christophe Courteau / Audierne Bay in storm at low tide, Brittany, France

Ernie Janes / Holkham beach at low tide, Norfolk, UK August

Tui De Roy / Wolf Volcano giant tortoise (Chelonoidis nigra becki) portrait, Isabela Island, Galapagos

Ross Hoddinott / Field of ripe wheat with vehicle tracks, in late evening light, near Putford, north Devon, UK, August 2011.

Orsolya Haarberg / Low grey clouds over the West Fjords, Isafjardardjup, Iceland, April 2011

Todd Mintz / Dense shoal of Scad fish / Horse mackerel (Trachurus trachurus) Bonaire, Dutch Caribbean.

Roy Mangersnes / Mountain tops in clouds at sunset over Raudefjorden, Northern Spitsbergen, Svalbard, Norway, September

Roy Mangersnes / Low clouds over the glacier, Engelskbukta, Western Spitsbergen, Svalbard, Norway, September

Philippe Clement / Cumulus mediocris clouds, Luxembourg

Luis Quinta / Looking up root system and tree trunk in Amazon forest, Rio Negro, Brazil, December 2009.

Mark Hamblin / 2020VISION / View looking towards the Black Cuillin mountains, with the River Sligachan in the foreground, Isle of Skye, Inner Hebrides, Scotland, UK, October 2010

Mark Hamblin / 2020VISION / Swirling foam patterns in the River Sligachan, with Marsco in background, Isle of Skye, Inner Hebrides, Scotland, UK, October 2010

Martin Gabriel / Mountain ridges of Caldera de Taburiente silhouetted through clouds. View from Roque de los Muchachos, La Palma Island, Canary Islands, Spain, February.

Mark Hamblin / 2020VISION / Scots pine sapling (Pinus sylvestris) with protective tree guard to prevent grazing by deer, part of Caledonian pine forest regeneration scheme, Cairngorms NP, Scotland, UK, July 2011. Did you know? S...

George Sanker / Elk / Wapiti (Cervus canadensis) herd with young on meadowland against the Grand Tetons, low clouds and the Snake River. Grand Teton National Park, Wyoming, USA, June.

Peter Cairns / 2020VISION / Cloud patterns viewed up through silhouettes of standing stones on blanket bog, Flow country, Forsinard, Caithness, Highland, Northern Scotland, UK, June 2011

Bence Mate / Confrontation between a great egret (Ardea alba) and grey heron (Ardea cinerea), Lake Csaj, Kiskunsagi National Park, Hungary.

Erlend Haarberg / Sunlit ridges against volcanic scree beneath a low cloud. Eyjafjallajokull, Iceland, April 2010. Highly commended in Wildlife Photographer of the Year 2011 competition, Wild Places category.

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

Alex Hyde / Low winter sun shining through freezing fog, Bonsall Moor, Peak District National Park, Derbyshire, UK, December 2009.

Mark Carwardine / Mute swan (Cygnus olor) portrait, Slimbridge, Gloucestershire, UK, September

Mark Carwardine / Hawaiian goose / Nene (Branta sandvicensis) looking down, Slimbridge, Gloucestershire, UK, Captive, native to Hawaii, USA, Vulnerable species, September

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

Eric Baccega / Flowerpot sea stacks with outgoing tide at Hopewell Rocks. The world's highest tides. Bay of Fundy, New Brunswick, Canada, September 2010

Philippe Clement / Altocumulus undulatus clouds in blue sky, Brittany, France, September 2010

Floris van Breugel / Ancient Bristlecone Pine tree (Pinus aristata) with sunlight shafts beaming through silhouetted gnarled branches, White Mountains, California, USA. July 2007.

Floris van Breugel / Ancient Bristlecone Pine tree (Pinus longaeva) at sunset. White Mountains, California, USA, June 2009

Steve Knell / Boreray, under low cloud cover. This holds the largest gannetry in UK (60,000 pairs) St. Kilda, Scotland, July 2009

David Woodfall / Severn Estuary at ebb tide in rainstorm. This habitat is potentially threatened by proposed tidal barrage. England, UK April 2010

Pete Oxford / Forest vegetation in mist on the western slope of the Mindo Cloud Forest, Ecuador, South America

Inaki Relanzon / Buddhist temple spires, Nyaung Ohak stupas, Indein, in Inle Lake. Shan State, Myanmar, Burma. August 2009

Sven Zacek / Herring gull (Larus argentatus) in flight, viewed from directly below. Atlantic ocean, Flatanger, Norway, Scandinavia.

Wild Wonders of Europe / Schandy / Mount Ushba (4,710m) just on the Georgian side of the border, just before sunset, with low clouds in valleys, seen from Elbrus, Caucasus, Russia, June 2008. BOOK & WWE OUTDOOR EXHIBITION.

Wild Wonders of Europe / Jensen / Icebergs just off the coast with low clouds over the cliffs, Qeqertarsuaq, Disko Bay, Greenland, August 2009

Wild Wonders of Europe / Hermans / Raven (Corvus corax) Cliffs of Moher, Republic of Ireland, June 2009

Wild Wonders of Europe / Hermansen / Raven (Corvus corax) in flight, The Burren, County Clare, Republic of Ireland, June 2009

Wild Wonders of Europe / Lundgren / European white water lily (Nymphaea alba) flower in lake, Bohusln, Sweden, August 2008 WWE BOOK

Wild Wonders of Europe / Radisics / Mountains surrounded by low lying cloud, with a path on Pico do Arieiro, Madeira, March 2009

Wild Wonders of Europe / Green / Northern gannet (Morus bassanus) colony with low clouds over cliff top, St Kilda, Scotland, May 2009

Ross Hoddinott / Widemouth bay beach and coastline at low tide with dark clouds, north Cornwall, UK. May 2009.

Wild Wonders of Europe / Relanzón / Mountains with low clouds surrounding them, La Caldera de Taburiente National Park, La Palma, Canary Islands Spain, March 2009

Wild Wonders of Europe / Liodden / Ice on the coast with low clouds over mountains, Spitsbergen, Svalbard, Norway, June 2009

Wild Wonders of Europe / Smit / Low clouds over the River Danube flowing through the Iron Gate Gorge, Djerdap National Park, Serbia, June 2009 WWE BOOK PLATE.

Wild Wonders of Europe / Müller / Low clouds over the Pollino National Park, Basilicata, Italy, June 2009

Wild Wonders of Europe / Benvie / Low clouds over meadows surrounded by trees, with small farm buildings near Fliess, Naturpark Kaunergrat, Tirol, Austria, July 2008

Wild Wonders of Europe / Munier / Low clouds over snow covered hills, Dovrefjell National Park, Norway, February 2009

Yva Momatiuk & John Eastcott / Saplings amidst coniferous trees burned by forest fire, Yellowstone National Park, Wyoming

Luis Quinta / Looking up at Purple stinger / jellyfish {Pelagia noctiluca} close to the surface, Azores, Atlantic

Jouan & Rius / Quiraing mountains with low cloud cover, Isle of Skye, Inner Hebrides, Scotland, UK

Jouan & Rius / Quiraing mountains with low cloud cover, Isle of Skye, Inner Hebrides, Scotland, UK

Jouan & Rius / Cloud forest with low cloud cover, Santa Elena Nature Reserve, Costa Rica

Inaki Relanzon / Clouds of Monarch butterflies {Danaus plexippus} flying and resting on trees while on migration, Miochacan, Mexico, January 1997

Inaki Relanzon / Looking up at Baobab (Andasonian grandidieri) on Baobabs Avenue, Morondava, West Madagascar

Jack Dykinga / Snow covered coniferous forest with low clouds and Bridalveil Falls in the distance, Yosemite National Park, California

Tui De Roy / Waved Albatross (Phoebastria irrorata) courtship dance under rainy season clouds, Punta Cevallos, Espanola Island, Galapagos Islands, Ecuador

Jim Brandenburg / Prairie under threatening thunder clouds, South Dakota

Yva Momatiuk & John Eastcott / Cumulus clouds above the open range, Pryor Mountain, Montana

Yva Momatiuk & John Eastcott / Cirrus and cumulus clouds over mesa, Monument Valley Navajo Tribal Park, Arizona

Tim Fitzharris / Paintbrush (Castilleja sp) and the Organ Rock, Arches National Park, Utah

Konrad Wothe / Solar eclipse, August 11, 1999 photographed from Munich, Germany

Tim Fitzharris / Colorful clouds against blue sky, New Mexico

Martin Dohrn / Lightning at night over Masai Mara Kenya, East Africa. Starlight image intensifier camera image taken with no artificial light

Bernard Castelein / Stormy sky over Klein Schietveld, Brasschaat, Belgium. March 2019.

Morley Read / Time-lapse of a band of cumulus clouds forming over the Cordillera del Condor, Ecuador, 2017. (non-ex)

Morley Read / Time-lapse of a band of cumulus clouds forming over the Cordillera del Condor, Ecuador, 2017. (non-ex)

Juan Carlos Munoz / Rural landscape in San Roque de Riomiera with low clouds, Valles Pasiegos, Cantabria, Spain. November 2018.

Jack Dykinga / Torre Grande under a lenticular clouds, behind Lago Grey, with icebergs along shoreline. Lago Grey, Chile, Patagonia.

Ashley Cooper / Sunset over Morecambe Bay, Cumbria, England, UK, December 2004.

Graham Eaton / Storm clouds (cumulonimbus) building over Minera Moors, with Heather (Calluna vulgaris) in bloom, near Wrexham, Wales, UK, August, August.

SCOTLAND: The Big Picture / Aerial view of Teallach and low lying clouds, Scotland, UK.

Lucas Bustamante / Low clouds over trees in cloud forest landscape, Pinas, El Oro, Ecuador, March 2015.

Paul Williams / Clouds rolling into Low's Gully, as seen from the summit of Mount Kinabalu, (4,095m) Borneo, May 2013.

Oriol Alamany / Clouds over the sea at dusk, Seventy Five Mile beach at low tide, Fraser Island UNESCO World Heritage Site. Queensland, Australia, November.

Ingo Arndt / Cumulus clouds, Serra da Canastra National Park, Brazil. January 2014.