Sandra Bartocha / Sun rays shining through European beech woodland (Fagus sylvatica). Serrahn, Muritz-National Park, World Natural Heritage site, Germany, Europe. November 2015.

Guy Edwardes / Lanyon Quoit ancient burial chamber, Madron, Cornwall, England, UK. September 2015.

Konrad Wothe / View up into canopy with sun rays shining through the leaves, lowland rainforest, Panguana Reserve, Huanuco province, Amazon basin, Peru.

Chris & Monique Fallows / King penguin (Aptenodytes patagonicus) colony at sunrise. Grytviken, South Georgia Island.

Alex Hyde / Alpine meadow, Nordtirol, Austrian Alps, July 2014.

Floris van Breugel / Two Guanacos (Lama guanicoe) at edge of lake with Cuernos del Paine beyond. Torres del Paine National Park, Chile, June 2014.

Olga Kamenskaya / Ice formations in snow on Lake Baikal, Siberia, Russia, March 2007.

Ben Cranke / Conifer tree bending over under weight of snow, Kuusamo, Finland. February 2011.

Sandra Bartocha / Silver birch (Betula pendula) and Scots pine (Pinus sylvestris) trunks in snow, Muritz-National Park, Germany, January.

Floris van Breugel / Glass beach at sunset - a former dump site, in which the glass has now become pebbles of sea glass. MacKerricher State Park. California. USA. January 2013

Michel Roggo / Brown bear (Ursus arctos beringianus) fishing for Sockeye salmon in the Ozernaya River, Kamtchatka, Russia, August

Sven Zacek / Rays of sunshine behind pine trees, Southern Estonia, May early morning.

Pal Hermansen / Artist Sunniva Munster checking stability of artwork 'Chair 1'. Valer, Ostfold County, Norway. July 2014.

Nick Turner / Marsh marigold / King cup (Caltha palustris) flowering by a marshy stream on the Limestone Link trail, St.Catherine Valley, South Gloucestershire, UK. April 2015.

Sandra Bartocha / European beech tree (Fagus sylvatica) forest, Pollino National Park, Italy. June 2009.

Alex Mustard / RF- Green sea turtle (Chelonia mydas) swimming in blue beneath evening sun. Rock Islands, Palau, Mirconesia. Tropical west Pacific Ocean. (This image may be licensed either as rights managed or royalt...

Wim van den Heever / City of Leh dusted in snow with Himalaya Mountains in the background. Leh, India.

Sven Zacek / American mink (Mustela vison) on river ice, with Common frog (Rana temporaria), Tartumaa, Estonia, January. Introduced species.

Kirkendall-Spring / Vicky Spring ascending a ladder near Cullite Creek, West Coast Trail, Pacific Rim National Park Reserve,Vanvouver Island, British Columbia, Canada, May 2015.

Ole Jorgen Liodden / Ice climber on ice cliff, Hallingdal, Norway, March 2005.

Wild Wonders of Europe / Bartocha / Early Purple Orchid (Orchis mascula) on the Forca Canapine/Sibillini National Park, Italy, May.

Hougaard Malan / Sunset atop the Drakensberg escarpment. Elliot, Eastern Cape, South Africa. March 2010. Non-ex.

Juan Carlos Munoz / Vineyard with wire and wooden frame, Vanrhynsdorp, Western Cape province, South Africa, September 2012.

Ben Cranke / Three Brothers River at sunrise, Mato Grosso, Pantanal, Brazil. August 2011.

Ben Cranke / Long shadows cast by snow covered conifer trees, Kuusamo, Finland. February 2011.

Alex Mustard / Yellow lipped sea snake (Laticauda colubrina) dives back down to the reef after surfacing for breath of air. Apo Island, Dumaguete, Negros, Philippines. Bohol Sea, Tropical West Pacific Ocean.

Floris van Breugel / A stone spire at sunrise in the eastern Cascades of Washington, USA. April 2014.

Bert Willaert / Titicaca water / Lake Titicaca frog (Telmatobius culeus) swimming towards camera looking into the lens, Lake Titicaca, Bolivia, October, Critically endangered.

Chris & Monique Fallows / Great white shark (Carchardon carcharias) False Bay, South Africa

Alex Mustard / RF- Silhouette of Reef manta (Manta alfredi) Misool, Raja Ampat, West Papua, Indonesia. Ceram Sea, Tropical West Pacific Ocean. (This image may be licensed either as rights managed or royalty free.)

Alex Mustard / Pair of Sockeye salmon (Oncorhynchus nerka) on their redd in a shallow stream. Female in front of male. Huihil Creek, Adams River, British Colombia, Canada, October.

Floris van Breugel / The sun breaks through layers of morning fog with wild Pacific Rhododendrons (Hymenanthes macrophylla) bloom amidst the giant Redwood trees. Del Norte Coastal Redwood State Park, June 2008

Jeff Vanuga / Balancing Rock with moon and Venus. Arches National Park, Utah, November 2010.

Alex Mustard / RF- Whale shark (Rhincodon typus) silhouette of shark feeding on floating fish eggs (not visible) just below the surface in calm weather. Isla Mujeres, Quintana Roo, Yucatan Peninsula, Mexico. Caribbe...

Peter Cairns / 2020VISION / RF- Loch Morlich frozen over in winter, Cairngorms National Park, Highlands, Scotland, UK, December 2010. (This image may be licensed either as rights managed or royalty free.)

Sue Daly / Furbelows (Saccorhiza polyschides) against a sunlit water surface. Channel Islands, UK, June.

Jurgen Freund / RF- Swim-through at dive site called Boo with corals and feather star. Misool, Raja Ampat, West Papua, Indonesia. (This image may be licensed either as rights managed or royalty free.)

Wild Wonders of Europe / Cairns / RF- Solar halo over the Laitaure delta, Sarek National Park, Laponia World Heritage Site, Lapland, Sweden. September 2008. (This image may be licensed either as rights managed or royalty free.)

Ross Hoddinott / RF- Oxeye daisy (Leucanthemum vulgare) fish-eye lens. Devon, UK. June. (This image may be licensed either as rights managed or royalty free.)