Andy Rouse / Polar Bear (Ursus maritimus) portrait in sea-ice landscape. Wide angle / fish-eye shot. Svalbard, Norway, September.

Ole Jorgen Liodden / Arctic tern (Sterna paradisaea) attacking an Arctic Fox (Vulpes / Alopex lagopus) protecting its nest site, Spitsbergen, Svalbard, Norway. Highly commended, MAMMALS, GDT 2011 competition

Steven Kazlowski / Polar bear (Ursus maritimus) on sea ice, off the coast of Svalbard, Norway

Jami Tarris / Polar Bear (Ursus maritimus) cooling off, Spitsbergen, Svalbard, Norway

Jami Tarris / Walrus (Odobenus rosmarus) bull, Spitsbergen, Svalbard, Norway

Jami Tarris / Polar Bear (Ursus maritimus) hunting Bearded Seal (Erignathus barbatus) pup, Spitsbergen, Svalbard, Norway

Jami Tarris / Polar Bear (Ursus maritimus) on ice floe, Spitsbergen, Svalbard, Norway

Jami Tarris / Polar Bear (Ursus maritimus) on shore, Spitsbergen, Svalbard, Norway

Jami Tarris / Arctic Fox (Alopex lagopus) running in snow, Spitsbergen, Svalbard, Norway

John Shaw / Common eider duck (Somateria mollissima) female defending her nest from arctic fox (Vulpes lagopus). Longyearbyen, Spitsbergen. June.

Sven Zacek / Bearded seal (Erignathus barbatus) sunbathing on iceberg broken off from glacier. Kongsfjorden fjord, Spitsbergen, Norway. June 2014.

Ingo Arndt / Polar Bear (Ursus maritimus) on icefield with moon in late winter, Svalbard, Spitsbergen, Norway, April