Staffan Widstrand / Wild Wonders of China / Portrait of a Golden snub-nosed monkey (Rhinopithecus roxellana) full frame of the face, Foping Nature Reserve, Shaanxi, China. Endangered species

Staffan Widstrand / Wild Wonders of China / Golden snub-nosed monkey (Rhinopithecus roxellana) jumping from branch to branch, Foping Nature Reserve, Shaanxi, China. Endangered species

Cyril Ruoso / Golden monkey (Rhinopithecus roxellana) male showing canine teeth, Qinling Mountains, China.

Cyril Ruoso / Golden monkey (Rhinopithecus roxellana) juveniles interacting, Qinling Mountains, China.

Cyril Ruoso / Golden monkey (Rhinopithecus roxellana) females sitting close together with baby inbetween, Qinling Mountains, China.

Cyril Ruoso / Golden monkey (Rhinopithecus roxellana) female with young suckling, Qinling Mountains, China.

Cyril Ruoso / Golden monkey (Rhinopithecus roxellana) jumping over a frozen stream, Qinling Mountains, China. Sequence 2 of 7

Cyril Ruoso / Golden monkey (Rhinopithecus roxellana) adult male and female hugging, Qinling Mountains, China.

Thomas Marent / Golden Snub-nosed Monkey (Rhinopithecus roxellana) young, Qinling Mountains, Shaanxi, China

Thomas Marent / Golden Snub-nosed Monkey (Rhinopithecus roxellana) male, Qinling Mountains, Shaanxi, China

Thomas Marent / Golden Snub-nosed Monkey (Rhinopithecus roxellana) troop, Qinling Mountains, Shaanxi, China

Cyril Ruoso / Golden Snub-nosed Monkey (Rhinopithecus roxellana) juvenile, Qinling Mountains, China. Runner-up in the Gerald Durrell Award, Wildlife Photographer of the Year 2011.