Denis-Huot / Wildebeest (Connochaetes taurinus) running for down steep bank of the Mara river during migration, Masai-Mara Game Reserve, Kenya

Todd Mintz / Snowy owl (Bubo scandiaca) sitting in the distance on snow covered railway tracks, Saskatchewan, Canada.

Paul Hobson / Harlequin Ladybird (Harmonia axyridis) melanic form, on turning leaf. Sheffield, October.

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

Anup Shah / Cape / African Buffalo (Syncerus caffer) approaching camera with curiosity, wide angle perspective, Masai Mara National Reserve, Kenya. September

Edwin Giesbers / Legs of a White Stork (Ciconia ciconia) on ice. The Netherlands, January.

Philip Stephen / Fishing vessel "Harvester" powering through huge waves while operating in the North Sea. Europe, January 2009. Property released.

Juan Carlos Munoz / Walia ibex (Capra walie) silhoutted on a rocky slope. Simien mountains, Ethiopia, Feb 2010

Konstantin Mikhailov / West Caucasian tur (Capra caucasica) Female on cliff face, Highlands of West Caucasus Mountains in the Bezengi area, Kabardino-Balkaria Republic, Kabardino-Balkarsky State Nature Reserve, Russia.

Solvin Zankl / European tree frog (Hyla arborea) on tree branch, with lake behind, Germany

Angelo Gandolfi / Brown Bear (Ursus arctos) climbing tree, South Carpathian mountains, Romania

Jerry Monkman / A kayaker plays in a hole in Tariffville Gorge on the Farmington River in Tariffville, Connecticut. Class III whitewater. May 2007. Model released.