Steven Kazlowski / Crew bleeds a full deckload of Pacific cod fish (Gadidae family) before putting them in salt water tanks, on the fishing trawler Western Dawn, Gulf of Alaska, USA. No release available.

Jeff Rotman / Common Thresher Shark (Alopias vulpinus) caught on gill net being hauled up onto boat, Huatabampo, Mexico, Sea of Cortez, Pacific Ocean. Model released. Model released.

Andy Trowbridge / Split level shot of a fly fisherman (Murray Trowbridge) releasing a large brown trout (Salmo trutta) in a gin clear 'backcountry' river, North Canterbury South Island, New Zealand. January, 2012. Mode...

Niall Benvie / Tulip fields about to be deadheaded, Texel, the Netherlands May 2012. No release available.

Erlend Haarberg / Tourists walking on Blahnjukur Volcano, Rhyolite mountains, Landmannalaugar, Iceland, August 2008

Konrad Wothe / Hikers climbing Mount Rainier, Washington, USA, August 2005, model released

Brent Stephenson / Columnar basalt formations at the 180 metre high Edinburgh Hill. Zodiac full of cruise ship tourists for scale. South Shetland Islands, Antarctica, December.

Brent Stephenson / Columnar basalt formations at the 180 metre high Edinburgh Hill. Zodiac full of cruise ship tourists for scale. South Shetland Islands, Antarctica, December.

Chadden Hunter / Cameraman Jeff Turner and Producer Chadden Hunter exposed at -40 degrees in Arctic circle in Northern Canada while filming wolves and bison hunting sequence. Taken on location for BBC Frozen Planet se...

John Abbott / Tourists watching large colony of Marine Iguanas (Amblyrhynchus cristatus) Punta Espinosa on Fernandina Island, Galapagos, August 2010

Gary K. Smith / Domestic sheep (Ovis aries) being moved from pen at livestock market after auction, Hawes Mart, Yorkshire, UK, September 2011

Kristel Richard / An Indian cowboy has lost his balance from a bronc or wild paint horse during the All Indian Rodeo, at the annual Indian Crow Fair, at Crow Agency, near Billings, Montana, USA, August 2011, Sequence 3...