Peter Cairns / naturepl.com / Public bus and 'cycle park' as part of transport system, Sweden, April 2008

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

David Noton / Snow-covered Piano Grande in winter. Monti Sibillini National Park, Umbria, Italy, February 2010.

Sue Daly / A snow-covered tree by a road. The heaviest snowfall on Sark in living memory. Channel Islands, UK, December 2010.

Marie Read / Tree covered with rime ice standing in snow-covered field, aginst blue sky with clouds, Ithaca, New York, USA. January 2010.

Floris van Breugel / Ponderosa pine (Pinus ponderosa) grove at twilight under a heavy snowfall, Deschutes National Forest, Oregon, USA. December 2009

Sandra Bartocha / Gespensterwald (ghostly forest) - European Beech forest (Fagus sylvatica), Nienhagen, Germany.

Sandra Bartocha / Gespensterwald (ghostly forest) - European Beech forest (Fagus sylvatica) in snow, Nienhagen, Germany. RUNNER-UP: Creative Visions of Nature - Wildlife Photographer of the Year 2010

David Tipling / Flock of Starlings (Sturnus vulgaris) flying to roost near Gretna, Scotland, UK, December

Niall Benvie / A pair of Ravens (Corvus corax) perched in bleached out pine tree, Estonia, March 2008

Patricio Robles Gil / Tree covered in snow after blizzard, Wyoming, USA, January 2008

Paul Hobson / Two trees covered in hoar frost, Peak District, UK, New years day 2009

Jerry Monkman / Barnacles and periwinkles exposed on rock at low tide, Wonderland, Acadia National Park, Maine, USA, August 2009

Jerry Monkman / Barnacles, periwinkles, lichen, seaweed, and blue mussels in a tide pool at Wonderland, Acadia National Park, Maine, USA, August 2009

Colin Monteath / Champagne Pool as burst of sunshine lights up foreshore during day with blowing mist and heavy rain, Waiotapu Thermal Wonderland, Rotorua, New Zealand

Colin Monteath / Champagne Pool as burst of sunshine lights up foreshore during day with blowing mist and heavy rain, Waiotapu Thermal Wonderland, Rotorua, New Zealand

Kirkendall-Spring / Sunrise along the Wonderland Trail near Panhandle Gap in Mount Rainier National Park. Washington, USA, August 2009

Kirkendall-Spring / Sunrise along the Wonderland Trail near Panhandle Gap in Mount Rainier National Park. Washington, USA, August 2009

Colin Monteath / Rain storm approaches Champagne Pool, volcanic lake has constant 74 degree Celsius water including minerals gold, silver mercury, sulphur, and arsenic, Wai-O-Tapu Thermal Wonderland, Rotorua, North Is...

Colin Monteath / Rain storm approaches Champagne Pool, volcanic lake has constant 74 degree Celsius water including minerals gold, silver mercury, sulphur, and arsenic, Wai-O-Tapu Thermal Wonderland, Rotorua, North Is...

Stephen Belcher / Lady Knox Geyser erupting, Waiotapu Thermal Wonderland, Rotorua, New Zealand

Konrad Wothe / Champagne pool, Waiotapu Thermal Wonderland, North Island, New Zealand

Konrad Wothe / Lady Knox Geyser erupting, Waiotapu Thermal Wonderland, North Island, New Zealand

Konrad Wothe / Champagne pool, Waiotapu Thermal Wonderland, North Island, New Zealand

Michael & Patricia Fogden / Lady Knox Geyser in Waiotapu thermal basin, Rotorua, North Island, New Zealand

Tui De Roy / Champagne Pool, a volcanic lake has constant 74 degree Celsius water including minerals gold, silver mercury, sulphur, and arsenic, Waiotapu, Rotorua, New Zealand

Paul D Stewart / Illustration of Dodo (Raphus cucullatus) and Mauritius parrot; woodblock print with later handcolouring from the Penny Magazine (London, June 1, 1833). Print after similar painting by C. Edwards 1750...

Colin Monteath / Champagne Pool as burst of sunshine lights up foreshore during day with blowing mist and heavy rain, Waiotapu Thermal Wonderland, Rotorua, New Zealand

Colin Monteath / Boiling mud erupts from thermal pool, Wai-O-Tapu Thermal Wonderland, Rotorua, North Island, New Zealand

Colin Monteath / Rain storm approaches Champagne Pool, volcanic lake has constant 74 degree Celsius water including minerals gold, silver mercury, sulphur, and arsenic, Wai-O-Tapu Thermal Wonderland, Rotorua, North Is...

Konrad Wothe / Wai-o-tapu Thermal Wonderland near Rotorua, Devils Bath, North Island, New Zealand