 Groups are territorial, with little overlap between the territories of different groups.A study by Lord Medway indicated that Selangor silvered langur infant births do not show a seasonal pattern

Besides feeding and caring for infants, the activity budget of Selangor silvered langurs includes playing, transportation, resting, vocalizing and grooming.Juveniles of both sexes participate in most of the playing and even infants that are only a few weeks old engage in play.