Uri Golman / Head portrait of photographer Uri Golman in temperatures of -40 degrees celsius, with frost in his beard. Greenland. March 2009. Model released

Juan Carlos Munoz / Grevy's zebra (Equus grevyi) close up of muzzle, Captive, occurs in Kenya and Ethiopia, Endangered species.

Claudio Contreras / Grey fox (Urocyon cinereoargenteus) licking nose, captive, Mexico City

Edwin Giesbers / Barbary macaque (Macaca sylvanus) baring teeth as a sign of submission, Gibraltar Nature Reserve, Gibraltar,

Fiona Rogers / Eastern chimpanzee (Pan troglodytes schweinfurtheii) infant male 'Gizmo' aged 2 years, portrait. Gombe National Park, Tanzania.

Anup Shah / Eastern chimpanzee (Pan troglodytes schweinfurtheii) adult male 'Frodo' aged 35 years portrait. Gombe National Park, Tanzania.

Mark Bowler / Black spider monkey (Ateles chamek) calling, captive, Peru.

Cyril Ruoso / Bonobo (Pan paniscus) orphan babies, Lola Ya Bonobo Sanctuary, Democratic Republic of the Congo. Non-ex

Cyril Ruoso / Adult male Drill (Mandrillus leucophaeus) Pandrillus Sanctuary, Nigeria. Non-ex

Ole Jorgen Liodden / Golden monkey (Cercopithecus kandti) foraging, portrait, Virunga, Rwanda.

Tim Laman / Huli 'singsing' dance ceremony. Huli wigmen wearing human hair wigs and feathers of various birds of paradise and other bird species. Tari Valley, Southern Highlands Province, Papua New Guinea. Novem...

Enrique Lopez-Tapia / Portrait of two Balti men, Skardu, Pakistan, June 2007.