Doug Perrine / Great white shark jaws open at surface {Carcharodon carcharias} South Africa (Non-ex).

Shattil & Rozinski,Shattil & Rozinski / Black bear (Ursus americanus) cub climbing a fence, Minnesota, USA, May.

Laurent Geslin / Southern plains grey / Hanuman langur {Semnopithecus dussumieri} display, Ranthambore NP, Rajasthan, India.

Mark Bowler / Common Squirrel Monkey (Saimiri sciureus ssp. macrodon) in tree, calling, Peru, captive

Sergey Gorshkov / Ruffs displaying and fighting (Philomachus pugnax) Agapa River, Taimyr Peninsula, Siberia, Russia

Markus Varesvuo / Horned / Slavonian grebe (Podiceps auritus) two individuals fighting in water, Finland May

Bert Willaert / Banded Ground Gecko (Geckoella deccanensis) portrait. Western Ghats, India, July.

Chadden Hunter / Close up of Husky dog eyes (Canis familiaris), note the different eye colour, Northern Canada. Taken on location for BBC Frozen Planet series, 2009

Andy Rouse / African Leopard (Panthera pardus) 'Bahati', daughter of 'Olive', walking on path growling at photographer. Masai Mara, Kenya, Africa.

Colin Varndell / Male Greenfinches (Carduelis chloris) squabbling in flight. Dorset, UK, March.

Daniel Heuclin / Cocks fighting in cock fight, Guimaras island, Philippines, February 2007

Lassi Rautiainen / Two Brown bears (Ursus arctos) fighting in woodland wetlands, Kuhmo, Finland, July