Reproduction of the owl monkey (Aotus nancymai) (primates:Cebidae) in captivity

Alfonso Gozalo, Enrique Montoya

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27 Scopus citations


There are few reports and poorly documented field studies about the reproductive biology of the owl monkey (Aotus spp.). Reproductive data were collected from a breeding colony of owl monkeys (Aotus nancymai) held at the Center for Reproduction and Conservation of Non‐Human Primates in Iquitos, Peru, for the past 10 years. Seventy nine breeding pairs have produced 180 offspring in a period of 3,619 months, representing an average of about one offspring for every 20 months that a pair was housed together. Neonatal mortality in the first week was 7.1%. Litter size was almost one (99.4%). The mean age at first birth in a group of nine females born in captivity was 40.56 ± 7.82 (S.D.) months. The mean age of a group of 12 males born in the colony when their female mates produced offspring was 42.17 ± 10.73 (S.D.) months. Gestation length did not exceed 141 days. Interbirth interval averaged 12.72 months. A birth peak was observed from October to January. Breeding Aotus nancymai on a large scale in captivity is feasible. Copyright © 1990 Wiley‐Liss, Inc., A Wiley Company
Original languageAmerican English
Pages (from-to)61-68
Number of pages8
JournalAmerican Journal of Primatology
StatePublished - 1 Jan 1990


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