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- Title
Patterns of Reproduction and Mortality in Two Captive Colonies of Hanuman Langur Monkeys (Presbytis entellus).
- Authors
Harley, Diahan
- 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 (<30 days), and probability of survivorship at 5 years is between .41 and .50. Observed differences and similarities in patterns of reproduction and mortality between the two colonies and field populations are discussed.
- Subjects
CALIFORNIA; UNITED States; SEMNOPITHECUS entellus; LANGURS; REPRODUCTION; FEMALE reproductive organs; MORTALITY; ANIMAL mortality; LIFE history theory; PREGNANCY; ZOOLOGICAL research
- Publication
American Journal of Primatology, 1988, Vol 15, Issue 2, p103
- ISSN
0275-2565
- Publication type
Article
- DOI
10.1002/ajp.1350150204