Reproduction and population growth in free‐ranging mantled howling monkeys

Kenneth E. Glander

doi:10.1002/ajpa.1330530106

Reproduction and population growth in free‐ranging mantled howling monkeys

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Kenneth E. Glander

書誌事項

公開日: 1980-07

権利情報

http://onlinelibrary.wiley.com/termsAndConditions#vor

DOI

10.1002/ajpa.1330530106

公開者: Wiley

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説明

<jats:title>Abstract</jats:title><jats:p>Free‐ranging mantled howling monkey (<jats:italic>Alouatta palliata</jats:italic> Gray) females experienced a regular estrus cycle averaging 16.3 days, demonstrated sexual skin changes, and participated in multiple matings before becoming pregnant. Gestation averaged 186 days. The average interval between births was 22.5 months. Sexual maturity occurred at approximately 36 and 42 months for females and males, respectively. Female age at first birth was about 3½ years. Births were scattered during some years and clustered during others. The age, rank, and parity of the females affected infant survival. More female than male infants survived to one year of age. Increased population size was the result of immigration rather than births.</jats:p>