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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Information content of female copulation calls in yellow baboons
American Journal of Primatology, Volume 56, No. 1, Year 2002
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Description
In a wide variety of animal species, females produce vocalizations just before, during, or immediately after copulation. Observational and experimental evidence indicates that these copulation calls are sexually selected traits, functioning to promote competition between males for access to the calling female. In this paper, we present an acoustic analysis of variation in the form of copulation calls of female yellow baboons, Papio cynocephalus cynocephalus. In particular, we examine whether information about three factors - The calling female's reproductive state, the occurrence or absence of ejaculation, and the dominance rank of the mating male - Is encoded in call structure and hence is potentially available to male receivers attending to the signal. Although several features of copulation calls were correlated with each of these factors, when all three were included in multiple regressions only reproductive state and rank of the mating male had independent effects on call form. These findings indicate that female copulation calls in this species signal information about the proximity to ovulation of the calling female and also the relative competitive strength of her mating partner. Am. J. Primatol. 56:43-56, 2002. © 2002 Wiley-Liss, Inc.
Authors & Co-Authors
Semple, Stuart
United Kingdom, London
Zoological Society of London Institute of Zoology
McComb, Karen E.
United Kingdom, Brighton
University of Sussex
Alberts, Susan C.
United States, Durham
Duke University
United States, Princeton
Princeton University
Altmann, Jeanne
Kenya, Nairobi
National Museums of Kenya
United States, Brookfield
Brookfield Zoo
Statistics
Citations: 78
Authors: 4
Affiliations: 6
Identifiers
Doi:
10.1002/ajp.1062
ISSN:
02752565
Research Areas
Health System And Policy
Sexual And Reproductive Health
Participants Gender
Male
Female