Suzi Eszterhas / Golden Lion Tamarin (Leontopithecus rosalia), Atlantic Forest, Brazil

Suzi Eszterhas / Golden Lion Tamarin (Leontopithecus rosalia), Atlantic Forest, Brazil

Suzi Eszterhas / Golden Lion Tamarin (Leontopithecus rosalia), Atlantic Forest, Brazil

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

Ingo Arndt / Golden monkey (Cercopithecus mitis kandti) looking down from tree, Parc National des Volcans, Rwanda

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.