Paul Hobson / Red deer (Cervus elaphus) stags in snowy Pine forest. Scotland, UK. March.

David Tipling / Snow petrel (Pagadroma nivea nivea) flying around Iceberg off South Georgia, Southern Ocean January

David Tipling / Wandering albatross (Diomedea exulans) Southern Ocean near South Georgia, November

David Allemand / Snowy owl (Bubo scandiacus) female landing in the snow, Quebec, Canada, March.

David Allemand / Snowy owl (Bubo scandiacus) Female landing in the snow, Quebec, Canada

Stephane Granzotto / Alpine ibex (Capra ibex) feeding in deep snow, digging to reach food, Rhone-Alpes, France, December.

Bruno D'Amicis / Wild Apennine wolf (Canis lupus italicus) in snowy landscape. Central Apennines, Abruzzo, Italy. February. Italian endemic subspecies.

Guy Edwardes / Snowy owl (Bubo scandiacus) walking on ground in snow, one foot raised, Ontario, Canada, January.

Peter Bassett / Wandering albatross (Diomedea exulans) chick stretching its wings, Prion Island, South Georgia.

Markus Varesvuo / Snowy owl (Bubo scandiaca) female face close up, Canada February

Markus Varesvuo / Snowy owl (Bubo scandiaca) female sitting among snow covered vegetation on ground, Canada February

Markus Varesvuo / Snowy owl (Bubo scandiaca) female, with lights behind, Canada, February.