There is no distinct breeding season, although most mating probably occurs during the rainy season. A female will give birth once every 20 months, on average. Newborns have a pink face and are covered with white fur. At about one month they gradually begin to change color, finally gaining the black and white adult coloration at about three months. Infants are carried on their mother’s abdomen, where they cling to her fur. As they mature, they spend a lot of time playing with their mother and certain other adults. In the first month when the infant still has a pink face, they are handled three to five times an hour in resting groups. However, the infant mortality rate is high even though the young are carefully tended to. Once the young reach seven months, they begin playing with juveniles. The games they play exercise their bodies, and as they get older, these develop into wrestling matches and mock displays.