Theo Bosboom / Conifer trees in snowy landscape, near Baraque Michel, Belgian Ardennes, January 2010
Pal Hermansen / Red house surrounded by snow-covered trees in winter, Eastern Finnmark, Norway, November 2006.
Andy Rouse / Robin (Erithacus rubecula) perched in snow, Wales, UK (non-ex) January
Orsolya Haarberg / Norway spruce (Picea abies) trees covered in snow, Ciuc Mountains, Transylvania, Romania, January 2015.
Erlend Haarberg / Frost covered European beech tree (Fagus sylvatica) in a snow covered field framed by frosty branches, Calonda, Harghita County, Transylvania, Romania, January.
Floris van Breugel / First rays of golden sunshine hit Giant Sequoias (Sequoiadendron giganteum) covered in a winter blanket of snow and frost, Grant Grove, Sequoia / Kings Canyon National Park, California, USA November
Jussi Murtosaari / Whooper swan (Cygnus cygnus) pair in flight in snowy landscape, Finland, November.
Klein & Hubert / Harp seal (Pagophilus groenlandicus) pup on ice, Gulf of St. Lawrence, Canada
Steven Kazlowski / Adelie penguin (Pygoscelis Adeliae) in falling snow on the western Antarctic Peninsula, Southern Ocean
Edwin Giesbers / Red squirrel (Sciurus vulgaris) sitting upright in deep snow, Austria, Europe
Markus Varesvuo / Puffin (Fratercula arctica) portrait in the snow, Norway, March
Andy Rouse / Polar bear (Ursus maritimus) new year cub, 6 months, standing on hind legs, Svalbard, Norway (non-ex) July 2007
Steven Kazlowski / Portrait of Polar bear (Ursus maritimus) sow standing with her cub on the snow in late winter, Arctic coast of Alaska
Steven Kazlowski / Polar bear (Ursus maritimus) curious young male on the newly frozen pack ice, Beaufort Sea, off the 1002 area of the Arctic National Wildlife Refuge, North Slope, Alaska
Stefan Christmann / Emperor penguin (Aptenodytes forsteri) pair in courtship, facing each other. Atka Bay, Antarctica. May.
Guy Edwardes / Vik i Myrdal church in winter, with full moon, Iceland. January 2015
Erlend Haarberg / RF - Two reindeer (Rangifer tarandus) running in snow, Sarek National Park, Laponia World Heritage Site, Lapland, Sweden. (This image may be licensed either as rights managed or royalty free.)
Andy Rouse / European Robin (Erithacus rubecula) perched on snowy leaf. Wales, UK, December.
Bruno D'Amicis / Snowdrops (Galanthus nivalis) emerging through snow on forest floor. Abruzzo, Central Apennines, Italy, March.
Brent Stephenson / Young Polar bear (Ursus maritimus) walking across melting sea ice, Scott Inlet, Baffin Island, Canadian Arctic, August. Vulnerable species.
Steven Kazlowski / Two curious young Polar bears (Ursus maritimus), Barter Island, off the 1002 area of the Arctic National Wildlife Refuge, North Slope of the Brooks Range, Alaska, October 2011
Ernie Janes / Robin (Erithacus rubecula) perched on rosehip branch during snowfall. UK, December.
Markus Varesvuo / Blue tit (Parus caereleus) perched in snow, Kotka, Finland, January
Andy Rouse / Blue Tit (Cyanistes caeruleus) perched on snow covered Fir tree (Abies) branch, in a garden, Wales, UK December
Andy Rouse / Blue Tit (Parus caeruleus) perched in snow, Wales, UK, January
Hermann Brehm / Blue Tit (Parus caeruleus) on Guelder Rose branch with red berries. Bavaria, Germany, December.
Markus Varesvuo / Waxwing (Bombycilla garrulus) perching near berries, Kuusamo, Finland, November.
Aflo / Japanese tit (Parus minor) feeding on Japanese rowan (Sorus commixta) in snow, Yatsugatake, Japan, February.
Konrad Wothe / Blackbird (Turdus merula) male in winter, Bavaria, Germany, December.
Markus Varesvuo / Waxwings (Bombycilla garrulus) feeding on snow covered Rowan (Sorbus) berries, whilst in flight, Kuusamo, Finland, Scandinavia, January. Magic Moments book plate.
John Cancalosi / Male and female White-tailed deer (Odocoileus virginianus) with snowman, New York, USA, February.
Ernie Janes / Robin (Erithacus rubecula) in snow, Norfolk, England, UK, February.
TJ Rich / Chocolate working cocker spaniel in snow, Wiltshire, UK
Jouan & Rius / Snowman on Hauts Fourneaux, Ballon des Vosges Nature Park, Vosges, Lorraine, France, January 2009
Klein & Hubert / Domestic Tabby cat (Felis silvestris catus) sitting in gate with snowman, France.
Klein & Hubert / Wirehaired Dachshund sniffing snowman, French Alps, Haute-Savoie, France.
Klein & Hubert / Dachshund sitting in snow with Mont Blanc massif (French Alps) in background. Haute-Savoie, France.
Markus Varesvuo / Pine Grosbeak male (Pinicola enucleator)and traffic light Oulu, Finland, December
Lynn M. Stone / Golden Retriever pup in snow, Holland, Massachusetts, USA.