Markus Varesvuo / Large flock of Kittiwakes (Rissa tridactyla) flying over the sea, Vardo, Norway, March.

Colin Varndell,Colin Varndell / White Legged Snake Millipede (Tachypodoiulus niger) three coiled, Dorset, UK, September.

Cyril Ruoso / Black-legged Kittiwake (Rissa tridactyla) female on nest with young, Latrabjarg Cliff, West Fjords, Iceland

Orsolya Haarberg / Northern fulmar (Fulmarus glacialis) below a black-legged kittiwake (Rissa tridactyla). The optical phenomenon, caused by a backscattering of light, is called a glory. Hornstrandir Nature Reserve, Ice...

Roy Mangersnes / Black-legged kittiwakes (Rissa tridactyla) in flight during evening snowfall, Northern Nordaustlandet, Svalbard, Norway, August

Roy Mangersnes / Black-legged kittiwakes (Rissa tridactyla) on an old building including one landing, Finnmark, Norway, April

Roy Mangersnes / Juvenile Black-legged kittiwake (Rissa tridactyla) flying over Raudfjorden, North-western tip of Spitsbergen, Svalbard, Norway, September

Ole Jorgen Liodden / Black-legged Kittiwake (Rissa tridactyla) in blue ice. Spitsbergen, Svalbard, July.

Ole Jorgen Liodden / Black-legged Kittiwake (Rissa tridactyla) taking off from water. Spitsbergen, Svalbard, August.

Ole Jorgen Liodden / Blue Whale (Balaenoptera musculus) blowing, with Black-legged Kittiwake (Rissa tridactyla) in the water spray. Spitsbergen, Svalbard, August. Runner up in the Birds category of GDT competition 2014.

Eric Baccega / Black-legged Kittiwake (Rissa tridactyla) on ice. Floe edge, Arctic Bay, Nunavut, Canada, April.

Wild Wonders of Europe / de la Lez / Black legged kittiwakes (Rissa tridactyla) in flight over ice, Kungsfjord, Svalbard, Norway, June 2008 Wild Wonders kids book.