Group sizes range from 9 to 51 individuals. This is an arboreal and diurnal species. The silvered leaf-monkey has a unimale social structure. Males will live solitarily before finding a group of his own. The groups are highly territorial and will act aggressively towards other individuals.
Males emigrate from their natal group.
The silvered leaf-monkey gives birth to a single offspring. Bernstein, I.S. 1968. The Lutong of Kuala Selangor. Burton, F. 1995. The Multimedia Guide to the Non-human Primates .