Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) female and male on water, Iceland. June

Markus Varesvuo / Barrow´s Goldeneye (Bucephala islandica) male on water, Iceland. June

Connor Stefanison / Barrow's Goldeneye (Bucephala islandica) taking flight, British Columbia, Canada

Gavin Hellier / Cloud formation and wooden jetty at Barrow Bay landing, Derwent Water, Lake District National Park, Cumbria, UK November 2008

Steven Kazlowski / Aerial view of Ringed seals (Phoca hispida) on multi-layer ice (freshwater pans formed over many years where salt is squeezed out of the ice) with exit hole underneath ocean, Chukchi Sea, 20 miles off...

Steven Kazlowski / Inupiaq / Inuit man hold his hand under the midnight sun in the Chukchi Sea, off shore from the arctic village of Barrow, Alaska, USA. April 2009

Steven Kazlowski / Bowhead whale (Balaena mysticetus) swimming amidst multi-layer ice (freshwater pans formed over many years where the salt is squeezed out of the ice) offshore from Point Barrow. Chukchi Sea, Arctic Al...

Espen Bergersen / Barrow's goldeneye (Bucephala islandica) in partly frozen lake. Iceland, May.

Jiri Lochman / Perentie monitor lizard (Varanus giganteus) exiting Burrowing bettong warren. Barrow Island, Western Australia, November 2001.

Jiri Lochman / Perentie monitor lizard (Varanus giganteus) in front of Burrowing bettong warren, Barrow Island, Western Australia, November.

Jiri Lochman / Perentie monitor lizard (Varanus giganteus) territorial fight, Barrow Island, Western Australia,

Jiri Lochman / Perentie monitor lizard (Varanus giganteus) feeding on Burrowing bettong / (Bettongia lesueur) Barrow Island, Western Australia.