1988/01/01 by Diahan Harley
paper · doi:10.1002/ajp.1350150204
Abstract Longitudinal reproductive and mortality data collected from two colonies of Hanuman langur monkeys ( Presbytis entellus ) in California (University of California, Berkeley; San Diego Zoo) are presented. Approximately 10 years of data from each facility reveal that langur monkey females reach reproductive maturity between 3 and 5 years and have median birth intervals, following the birth of a live infant that survives beyond 9 months, of approximately 15.5 months. Births are not seasonal at either facility and pregnancy failure rates at UCB are approximately 30%. Mortality of subadults was highest during the neonatal period (