The stump-tailed macaque (Macaca arctoides) is a short-tailed macaque that inhabits evergreen rainforests and other habitats from Southeast Asia to southern China. It is diurnal and feeds on fruit, seeds, leaves, roots, and flowers, sometimes storing food in cheek pouches. Groups are multi-male multi-female and can number up to about 60 individuals; males typically leave the group upon maturity. Breeding occurs in autumn, gestation lasts about 180 days, and weaning occurs at about nine months. It is classified as Vulnerable due to deforestation and hunting.