Beziers, P., Hobeika, S. and Korstjens, A., 2009. Are Dominant Males More Successful Reproductively? Folia Primatologica, 80 (2), pp. 151-152.
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It is viewed that a high ranking position in group-living animals confers certain advantages over other individuals. Red colobus (Procolobus tephrosceles) live in multimale mating systems in which males are ranked in a dominance hierarchy that determines access to receptive females. Females develop extended conspicuous ovulatory and postconception swellings which arouse sexual interest in males and, consequently, promote male-male competition. Since females copulate with several males during their cycle, sperm competition may be another form of male-male competition in this species. Moreover, red colobus are considered as multiple mounters; therefore, sexual selection may have favoured morphological or copulatory patterns that increase reproductive success. In this study, we linked male social rank and sexual behaviour with data on female swelling morphology and reproductive states in a population of 39 wild living red colobus (Procolobus tephrosceles). We found that the priority of access to receptive female, as measured by the monopolisation and the mating frequency, was correlated to the male’s status in the hierarchy. However we found that subordinate males ejaculated more frequently after mounting a female than dominant males, thus, subordinate males use the few available opportunities to their best.
|Additional Information:||Conference abstract 3rd Congress of the European Federation for Primatology Zurich University, Aug 12 – 15, 2009|
|Uncontrolled Keywords:||mating strategy, Procolobus tephrosceles, priority access model, mating frequency, copulatory pattern, sexual swelling Primatology Primates Anthropology|
|Subjects:||Geography and Environmental Studies|
Science > Biology and Botany
|Group:||School of Applied Sciences > Forensic and Biological Sciences|
|Deposited By:||Dr Amanda H. Korstjens|
|Deposited On:||04 Sep 2009 17:43|
|Last Modified:||07 Mar 2013 15:13|
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