David Tipling / Grey seal (Halichoerus grypus) female in surf, Horsey, Norfolk, England, UK, February.

Brent Stephenson / Australasian gannet (Morus serrator) flying with waves breaking below, Muriwai, Auckland, New Zealand, October.

Tui De Roy / Dead Sally-lightfoot crab (Grapsus grapsus) washed up in surf, Puerto Egas, James Bay, Santiago Island, Galapagos, Ecuador, May.

Andy Rouse / Gentoo penguin (Pygoscelis papua) walking on beach, Saunders Island, Falkland Islands.

Richard Du Toit / Aerial photograph of breaking waves, Cape Agulhas, South Africa, Western Cape Province, Indian Ocean, August 2009

Theo Bosboom,Theo Bosboom / Gulls, predominantly Iceland gulls (Larus glaucoides) flying above stormy ocean near Vik, Iceland, March 2012.

Igor Shpilenok,Igor Shpilenok / A Kamchatka Brown Bear (Ursus arctos beringianus) standing in breaking waves. Pacific coast of Kronotsky Zapovednik Nature Reserve, Kamchatka Peninsula, Russian Far East, July.

Florian Möllers / Arctic expedition cruiseship M/S Stockholm in heavy sea and gale winds at Sarkapp (South Cape), Svalbard, Norway, July 2012

David Tipling / Kapitan Klebnikov, an ice breaker, growing through ice in the Weddell Sea near Snow Hill Island, Antarctica, November 2006

David Tipling / Emperor Penguins on sea ice with Kaptan Klebnikov ice breaker in background, Snow Hill Island, Antarctica, November

Jeff Wilson / Royal Navy ship, HMS Endurance, crashing through the waves in the south atlantic ocean, Antarctica, November 2009. Taken on location for the BBC series, Frozen Planet.

Bryan and Cherry Alexander / Tourists on icebreaker "Professor Multanovskiy" watching Polar bear (Ursus maritimus) in pack ice. Svalbard, Norway, 2004.