C Possamai
Socio-sexual behavior of female northern muriquis (Brachyteles hypoxanthus)
Possamai, C; Young, R; Mendes, S; Strier, K
Abstract
Female northern muriquis (Brachyteles hypoxanthus) are known to engage in frequent copulations with multiple partners, a pattern that in other primates has been attributed to various functions such as confusing paternity, reducing male aggression, or ensuring fertilization. However, in some female primates, promiscuity is restricted to times when conceptions are unlikely. We investigated whether female northern muriquis might exhibit a similarly mixed strategy by examining their mating, social, and activity patterns during their conception cycles versus other times. Systematic behavioral data were collected during an 18-month period between August 2001 and February 2003 on 13 adult females in a well-studied group at the RPPN-Feliciano Miguel Abdala, Minas Gerais, Brazil. Females mated on an average of 12.5±7.9 days during the study period, and spent significantly less time resting and engaging in non-sexual social behaviors, and significantly more time in sexual behaviors on days that they copulated than on days they did not. Three of the eight females for which sufficient data were available copulated significantly more often with their spatially closest non-kin associates, and four of five females that could be analyzed copulated significantly more often with their most frequent non-kin embrace partners. Comparisons between conception and non-conception periods revealed no differences in female activity budgets or in either the number of copulations or the number of different mating partners per female. Our results suggest that some females mate preferentially with close associates and social partners, but there is no indication that females alter their behavior during the cycles in which they conceive.
Citation
Possamai, C., Young, R., Mendes, S., & Strier, K. (2007). Socio-sexual behavior of female northern muriquis (Brachyteles hypoxanthus). American Journal of Primatology, 69(7), 766-776. https://doi.org/10.1002/ajp.20399
Journal Article Type | Article |
---|---|
Publication Date | Feb 9, 2007 |
Deposit Date | Jul 10, 2023 |
Journal | American journal of primatology |
Print ISSN | 0275-2565 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 69 |
Issue | 7 |
Pages | 766-776 |
DOI | https://doi.org/10.1002/ajp.20399 |
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