Shattil & Rozinski / Juvenile American black bear (Ursus americanus), brown phase, standing upright and leaning on a car, Denver, Colorado, USA, July.

Kristel Richard / Wild meerkats (Suricata suricatta) habituated to humans acting as sentry and standing alert on local guide's head for height, Makgadikgadi Pans, Kalahari desert, Botswana. No release available.

Alex Hyde / Close-up of the underside of foot of Leaf-tailed gecko {Uroplatus sikorae} as it walks on vertical glass. The finely divided setae on the toe pads stick the gecko to the smooth surface through van der...

John Cancalosi / Red deer (Cervus elaphus) females & jackdaws, England Hinds

Tony Heald / African elephant {Loxodonta africana} & Whitebacked vultures by waterhole, Etosha NP, Namibia

Jeff Rotman / Handlers feeding Caribbean reef shark (Carcharhinus perezi). Bahamas Model released.

Karl Ammann / Young Chimpanzees 'kissing' {Pan troglodytes} Chimfunshi sanctuary, Zambia

Ross Couper-Johnston / Decorated Indian elephant led in festival procession, Kerala, Southern India

Karl Ammann / Chimpanzee grooming infant, Chimfunshi sanctuary, Zambia

Nick Upton / Grey seals (Halichoerus grypus) emerging from the sea onto a sandy beach and moving up the shore to join their colony, with vocalisations and interactions, Norfolk, England, UK, January.

Eric Baccega / Female African elephant (Loxodonta africana) female touching her young calf with her trunk, Masai Mara National Reserve, Kenya, Africa.

Steven Kazlowski / Polar bear (Ursus maritimus) cub trying to engage its mother in play, Bernard Spit, North Slope of the Brooks Range, Beaufort Sea, Alaska, October.