Juergen Freund / Hand-reared Boongary (Dendrolagus lumholtzi) descending from a tree and climbing onto its carer's back, Atherton Tablelands, Queensland, Australia.

Eric Baccega / Young man from the Bodi Tribe having new scars made on his chest with razor blade, to make decorative skin scarifications. Omo Valley, Ethiopia, March 2015.

Neil Aldridge / Young orphaned Temminck's ground pangolin (Smutsia temminckii) rests on the shoulder of vet and pangolin foster mother Jade Aldridge at the Rhino Revolution rehabilitation facility in South Africa...

Nick Upton / James Shipman inspecting a Serotine bat (Eptesicus serotinus) with a numbered ring he fitted a year earlier, caught during an autumn swarming survey run by the Wiltshire Bat Group, near Box, Wiltshire...

Enrique Lopez-Tapia / Nalu boy covering himself with blue powder whilst preparing for a ritual dance, Cabedu village, Guinea-Bissau, December 2013.

Laurie Hedges / Chimpanzee (Pan troglodytes) male's head as it looks around and scratches behind shoulder before leaving frame, Nyungwe National Park, Rwanda, July. Endangered.

Wim van den Heever / Mountain gorilla (Gorilla beringei beringei) looks over shoulder and presses hand and finger against face, reminiscent of a 'call me' sign, Volcanoes National Park, Rwanda. Critically endang...