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Testing the challenge hypothesis in stumptail macaque males: the role of testosterone and glucocorticoid metabolites in aggressive and mating behavior

dc.creatorCerda-Molina, Ana Liliaes_ES
dc.creatorBorráz-León, Javier I.es_ES
dc.creatorMatamoros-Trejo, Gilbertoes_ES
dc.creatorO, Claudio de laes_ES
dc.creatorEstudillo-Mendoza, Gema R.es_ES
dc.creatorMayagoita-Novales, Lilianes_ES
dc.creatorMaestripieri, Darioes_ES
dc.date2023
dc.date.accessioned2025-04-03T17:24:13Z
dc.date.available2025-04-03T17:24:13Z
dc.date.issued2023
dc.identifierJC72es_ES
dc.identifier.urihttp://repositorio.inprf.gob.mx/handle/123456789/8291
dc.identifier.urihttps://doi.org/10.3390/biology12060813
dc.descriptionThe "challenge hypothesis" predicts higher male-male aggressive behavior along with increases in testosterone levels during times of reproductive challenges and social instability. In addition, in some primate species, higher glucocorticoid levels can be observed as well, but this is usually modulated by dominance rank. We studied rank-related aggressive behavior, mating activity, and fecal testosterone and glucocorticoid metabolites (fTm and fGCm) in male stumptail macaques (Macaca arctoides) in order to test some predictions of the "challenge hypothesis". Over a 20-month period, we collected data on aggressive behavior and copulation, as well as fecal samples (n = 700) to quantify fTm and fGCm in seven adult stumptail males living in captivity. During periods of mating activity, male-to-male aggression increased in higher- and middle-ranking males. Neither fTm nor fGCm levels predicted male-to-male aggression. fGCm levels (but not fTm) were positively associated with male-to-female aggression; however, this association was pronounced during periods of mating activity. fGCm levels differed according to social rank, with middle-ranking males having the highest levels. Both hormones were higher during periods of mating activity, but only in higher- and middle-ranking males. Taken together, our findings partially support the challenge hypothesis in a non-seasonal primate and shed some light on the unique social and mating system of the stumptail macaque.es_ES
dc.formatPDFes_ES
dc.language.isoenges_ES
dc.publisherMDPIes_ES
dc.relation12(6):813
dc.rightsAcceso Cerradoes_ES
dc.titleTesting the challenge hypothesis in stumptail macaque males: the role of testosterone and glucocorticoid metabolites in aggressive and mating behaviores_ES
dc.typeArtículoes_ES
dc.contributor.affiliationDepartamento de Etología, Instituto Nacional de Psiquiatría “Ramón de la Fuente Muñiz”, Ciudad de México 14370, Mexico
dc.contributor.emailjborrazleon@uchicago.edu
dc.relation.jnabreviadoBIOLOGY (BASEL)
dc.relation.journalBiology
dc.identifier.placeSuiza
dc.date.published2023
dc.identifier.organizacionInstituto Nacional de Psiquiatría Ramón de la Fuente Muñiz
dc.identifier.eissn2079-7737
dc.identifier.doi10.3390/biology12060813
dc.subject.kwFecal glucocorticoid metabolites
dc.subject.kwFecal testosterone metabolites
dc.subject.kwChallenge hypothesis
dc.subject.kwAggression
dc.subject.kwCopulation
dc.subject.kwMacaca arctoides


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