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

Sven Zacek / Eider ducks (Somateria mollissima) males reflected in a small pond, Longyearbyen, Svalbard, Norway. June.

Roy Mangersnes / Full moon over Adventsdlen, Longyearbyen, Svalbard, Norway, April.

Roy Mangersnes / Arctic fox (Alopex / Vulpes lagopus) stalking, near Longyearbyen, Spitsbergen, Svalbard, Norway, August

Roy Mangersnes / Arctic fox (Alopex / Vulpes lagopus) in tundra landscape, near Longyearbyen, Spitsbergen, Svalbard, Norway, August

Roy Mangersnes / Arctic fox (Alopex / Vulpes lagopus) standing, near Longyearbyen, Spitsbergen, Svalbard, Norway, August

Wild Wonders of Europe / Liodden / Longyearbyen at dusk, Spitsbergen, Svalbard, March 2009

Staffan Widstrand / Longyearbyen town in February light, Spitzbergen, Norway

John Shaw / Melting permafrost. Near Longyearbyen, Spitsbergen, Svalbard, Norway. June.

John Shaw / Arctic fox (Vulpes lagopus) carrying Common eider duck egg (Somateria mollissima) after raiding nesting colony. Longyearbyen, Spitsbergen, Svalbard, Norway. June.

Ole Jorgen Liodden / Arctic fox (Alopex lagopus) in winter, near Longyearbyen, Svalbard, Norway, March.

Ole Jorgen Liodden / Arctic fox (Alopex lagopus) in winter, near Longyearbyen, Svalbard, Norway, March.