Reproductive biology of captive and free‐ranging spider monkeys

  title={Reproductive biology of captive and free‐ranging spider monkeys},
  author={Colin A. Chapman and Lauren J. Chapman},
  journal={Zoo Biology},
Key MethodRecords from 42 zoos and from long-term studies of wild populations were analysed to describe the reproductive biology of spider monkeys (Ateles spp.). Both data sets suggested that spider monkey females typically have their first infant between 7 and 8 years of age with an interbirth interval of approximately 32-36 months. Infant sex ratio for zoo populations was approximately 1 male to 1 female; infant sex ratios from wild populations were variable. Zoo records provided adequate sample size…

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