Andy Trowbridge / Arctic Fox (Alopex / Vulpes lagopus) standing on ridge, mist/fog in the background. Dovrefjell National Park, Norway, September.

Eric Baccega / Chimpanzee (Pan troglodytes schweinfurthii) male, resting with a raised leg, National Park, Uganda.

SCOTLAND: The Big Picture / Greenfinch (Carduelis chloris) male perched at garden pond with foot raised, Scotland, UK, July.

Carol Walker / Wild mustang grey stallion striking at a rival stallion in Sand Wash Basin, Colorado, USA. June.

Mike Potts / New Zealand falcon (Falco novaeseelandiae) perched on branch with one foot raised, Enderby Island. New Zealand, January.

Juan Carlos Munoz / Black-winged stilt (Himantopus himantopus) on water, Shumen, Bulgaria, April.

Carol Walker / Roan Wild Mustang horse, with leg raised to the paw the ground, Pryor Mountains, Montana, USA.

Charlie Summers / Sea otter (Enhydra Lutris) with forelegs raised, Sitka Sound, Alaska, USA, August.

Eric Baccega / Red deer (Cervus elaphus) stag, captive, Domaine de Sainte Croix, Rhodes, France, September.

Anup Shah / Western chimpanzee (Pan troglodytes verus) infant male 'Flanle' aged 3 years spinning in circles, Bossou Forest, Mont Nimba, Guinea. January 2011.

Diane McAllister / Black necked stilt (Himantopus mexicanus) standing with one leg raised near its nest site in Carson Lake Wetlands. Fallon, Nevada, USA, July

Bernard Castelein / Red wattled lapwing {Vanellus duvaucelii / indicus}grooming with leg raised, India