Tony Heald / Glaucous Gull (Larus hyperboreus) taking off from ice, Svalbard Norway, July.

Alan Murphy / Glaucous Gull (Larus hyperboreus) striking at a fish while in flight, British Columbia, Canada

Roy Mangersnes / Glaucious gull (Larus hyperboreus) flying against a blue glacier front, Spitsbergen, Svalbard, Norway, September

Ole Jorgen Liodden / Glaucous Gull (Larus hyperboreus) on blue ice. Spitsbergen, Svalbard, July.

Ole Jorgen Liodden / Polar Bear (Ursus maritimus) with blooded face looking at Glaucous Gull (Larus hyperboreus) in flight. Spitsbergen, Svalbard, July.

Wild Wonders of Europe / de la Lez / Glaucous gull (Larus hyperboreus) in flight, Moselbukta, Svalbard, Norway, July 2008

Wild Wonders of Europe / de la Lez / Glaucous gull (Larus hyperboreus) in flight, Moselbukta, Svalbard, Norway, July 2008

Wild Wonders of Europe / Liodden / Two Glaucous gulls (Larus hyperboreus) flying past a glacier, Spitsbergen, Svalbard, March 2009

Hanne & Jens Eriksen / Glaucous gull {Larus hyperboreus} adult, Monaco Glacier, Svalbard, Norway

Robin Chittenden / Glaucous gull (Larus hyperboreus) Norfolk, England, UK, February.

Robin Chittenden / Glaucous gull (Larus hyperboreus) Norfolk, England, UK. February.

SCOTLAND: The Big Picture / Glaucous gull, (Larus hyperboreus), 2nd winter, chasing hooded crow from carcass, Scotland, UK.February