Poirier, F. E. 1970. The Nilgiri langur (Presbytis johnii) of South India. In: Primate Behavior: Developments in Field and Laboratory Research, Volume 1. Rosenblum, L. A. (ed), 251-383. Academic Press, New York, NY.

Excellent overview of the species-typical behavior of wild langurs. Weaning was completed when the Nilgiri langur was approximately one year old. ... Juveniles often retained ties with the mother even after a successive infant was born.

Year

1970