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Young, C. 
ORCID: 0000-0001-8919-2093, Majolo, B., Heistermann, M., Schülke, O. and Ostner, J.,
2013.
Male mating behaviour in relation to female sexual swellings, socio-sexual behaviour and hormonal changes in wild Barbary macaques.
Hormones and Behavior, 63 (1), pp. 32-39.
ISSN 0018-506X
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Abstract
In many cercopithecine primates females display probabilistic cues of fertility to indicate the periovulatory period to males. These cues may include female behaviour, acoustic signals, and morphological signs such as the anogenital swelling. However, the extent to which males can utilise this information varies between species. We describe male sexual behaviour in relation to changes in anogenital swelling size, timing of ovu-lation and female socio-sexual behaviour in wild Barbary macaques (Macaca sylvanus). We further compare male sexual behaviour during conception and post-conception cycles to evaluate if males differentiate between these qualitatively different cycle types. Our results show that during conception cycles male mating behaviour was concentrated around the fertile phase implying that males inferred information from more than swelling size alone. Male mating frequency increased in line with female socio-sexual behaviour, namely female presenting and the frequency of copulations with copulation calls. Most strikingly our results show that males invested equally in mating during fertile and non-fertile, i.e. post-conception, maximum swelling phases. Whether post-conception swellings were merely a result of changes in hormone concentrations during pregnancy or part of a female reproductive strategy remains elusive. In sum, this study adds to the body of research on the evolution of female sexual signals and how males may infer information from these cues.
| Item Type: | Journal article | ||||||||
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| Publication Title: | Hormones and Behavior | ||||||||
| Creators: | Young, C., Majolo, B., Heistermann, M., Schülke, O. and Ostner, J. | ||||||||
| Publisher: | Elsevier BV | ||||||||
| Date: | January 2013 | ||||||||
| Volume: | 63 | ||||||||
| Number: | 1 | ||||||||
| ISSN: | 0018-506X | ||||||||
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| Rights: | © 2012 Elsevier Inc. All rights reserved. | ||||||||
| Divisions: | Schools > School of Social Sciences | ||||||||
| Record created by: | Linda Sullivan | ||||||||
| Date Added: | 01 Nov 2021 11:12 | ||||||||
| Last Modified: | 01 Nov 2021 11:12 | ||||||||
| URI: | https://irep.ntu.ac.uk/id/eprint/44559 |
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