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HomeNewsPublications
  • April 12th 2020

    The PrimateCast #58: Talking EcoHealth and unexpected chimpanzees with Dr. Anne Laudisoit

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  • February 14th 2020

    The PrimateCast #57: Saving the golden lion tamarin with Dr. Valeria Romano

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  • September 19th 2017
    Dr. Chris Whittier of Gorilla Doctors

    The PrimateCast #56: Talking applied wildlife veterinary medicine at IPS 2016 with Dr. Chris Whittier

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  • August 31st 2017
    Fabian Leendertz at the German Symposium on Zoonoses Research in 2014

    The PrimateCast #55: Talking wildlife disease at IPS 2016 with Dr. Fabian Leendertz

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  • May 15th 2017
    The PrimateCast's Andrew MacIntosh and Dr. Charlie Nunn at IPS 2016 in Chicago

    The PrimateCast #54: Talking Comparative Evolution, Infectious Disease and ... Sleep with Dr. Charlie Nunn

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  • May 13th 2017

    The PrimateCast #53: Talking Primate Behavioral Ecology with Dr. Karen Strier

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  • February 2nd 2017

    The PrimateCast #52: Conservation Voices from South Africa – Canned lion hunting with Dr. Andrew Venter

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  • October 16th 2016
    Airi Yamawaki on The PrimateCast

    The PrimateCast #51: Conservation Voices from Tokyo – Talking Ivory with Airi Yamawaki

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    The PrimateCast #50: Houseboat Amazon with Dr. Laura Marsh

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    The PrimateCast #49: Conservation Voices from Hawaii - IUCN World Conservation Congress 2016

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    Mac and Cecile go full PrimateCast

    The PrimateCast #48: Voices from Chicago - a look back at IPS/ASP 2016

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  • August 30th 2016
    The PrimateCast Talking Cold-blooded Cognition and Conservation with Dr. Anna Wilkinson

    The PrimateCast #47: Talking Cold-blooded Cognition and Conservation with Dr. Anna Wilkinson

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Multimodal advertising of sexual cycles in baboons

June 24th 2013
Publications
Consorting olive baboons

A new study published in the American Journal of Primatology (Vol. 75(7), pp. 774-787) shows that ovulation in olive baboons (Papio anubis) is advertised through a complex set of sexual signals and cues displayed in several modalities.

The study, which was conducted by CICASP PhD student Lucie Rigaill and her colleagues, used data on variations in male and female sexual behaviors, copulation calls, male olfactory inspections of the anogenital area and size and color of the sexual swelling to determine fertile phase in female olive baboons in a semi-free ranging troop (CNRS Primatology Station, France). The authors found that, whereas all males may have information on the fertile window through behavioral, auditory and visual (i.e. swelling size) signals, only consorting males may have access to additional cues, i.e. olfactory cues, which may contain more accurate information about the timing of ovulation. They also showed that swelling color did not vary according to cycle phase. Altogether, these results suggest that a complex framework of ovulatory cues and signals may allow males and females to establish different mating strategies. The use of multiple cues by females may consist of a tradeoff between the costs of ovulatory signaling and the benefits of mating; males may gain more information about the probability of ovulation by combining multiple cues, and thus could reduce the time and energy spent in inspecting females and the risks of mate choice errors.

This research was conducted while Lucie was a Master’s student at the Dynamics of Human Evolution laboratory of the French National Center for Scientific Research in Paris. Lucie is now developing her PhD research at the Primate Research Institute of Kyoto University which will investigate if females Japanese macaques (Macaca fuscata) express their fertile status through multiple signals of ovulation. This work will be conducted on a wild population living in Koshima Island (Japan). These two related studies will lead to a greater general understanding of the evolution of sexual signaling in primates.

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CICASP, 41-2, Kanrin,
Inuyama, Aichi,
484-8506 Japan
Phone: +81 (0)568-63-0284
Fax: +81 (0)568-61-1050
Email: cicasp [at] ml [dot] pri [dot] kyoto-u [dot] ac [dot] jp

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