David Tipling / Wandering albatross (Diomedea exulans) displaying to bird flying overhead on Albatross Island, South Georgia, January

David Tipling / Wandering albatross (Diomedea exulans) a pair displaying at dusk, Albatross Island, South Georgia January

David Tipling / Wandering albatross (Diomedea exulans) pair displaying at dusk in ritual bonding behaviour, Albatross Island in Bay of Isles, South Georgia January

Jussi Murtosaari / Whooper swan (Cygnus cygnus) pair in flight in snowy landscape, Finland, November.

Sebastian Kennerknecht / Snowy Plover (Charadrius nivosus) biologist, Ben Pearl, picking up chick from mud flat in salt pond, Eden Landing Ecological Reserve, Union City, Bay Area, California

Gerrit Vyn / Snowy Owl (Bubo scandiacus) fluffing feathers, this image was taken during a massive increase in the range and population of snowy owls. Boundary Bay, Canada. March.

Suzi Eszterhas / Snowy Egret (Egretta thula) four week old chick begging for food, Sonoma County, California

Mark Hamblin / Mountain hare (Lepus timidus) in white winter coat stretching - in snowy habitat, Scotland. Highly Commended in the Mammals category of the GDT European Photographer of the Year Competition 2015.

Sven Zacek / Roe Deer (Capreolus capreolus) herd in snowy field in Tartumaa, Estonia, March.

Sven Zacek / Roe deer (Capreolus capreolus) buck with velvet antlers in snowy field at sunset, Tartumaa, Estonia, March.

George Sanker / Snowy egret (Egretta thula) with plumes erect, St. Augustine, Florida, USA, April.

Danny Green / White tailed eagle (Haliaeetus albicilla) in flight with snowy background, Rausu, Japan, February