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Social factors drive vocal exchanges in red-capped mangabeys (Cercocebus torquatus).
Naturwissenschaften
January 2023
Université de Rennes, Université de Normandie, CNRS, EthoS (Ethologie animale et humaine) - U.M.R 6552, F-35000, Rennes, France.
Of all the calls made by non-human primates, the function of short-distance contact calls has largely remained to be determined. These calls are the most frequent in the repertoire and are most often exchanged between individuals in a non-random way. To our knowledge, no study has ever examined how vocal exchanges are structured in red-capped mangabeys (Cercocebus torquatus), a semi-terrestrial monkey living in the African forest with a complex semi-tolerant/semi-despotic social system.
View Article and Find Full Text PDFDominance style is a key predictor of vocal use and evolution across nonhuman primates.
R Soc Open Sci
July 2021
Department of Psychology, University of York, Heslington, York YO10 5DD, UK.
Animal communication has long been thought to be subject to pressures and constraints associated with social relationships. However, our understanding of how the nature and quality of social relationships relates to the use and evolution of communication is limited by a lack of directly comparable methods across multiple levels of analysis. Here, we analysed observational data from 111 wild groups belonging to 26 non-human primate species, to test how vocal communication relates to dominance style (the strictness with which a dominance hierarchy is enforced, ranging from 'despotic' to 'tolerant').
View Article and Find Full Text PDFHigh but not low tolerance populations of Japanese macaques solve a novel cooperative task.
Primates
September 2019
Graduate School of Human Sciences, Osaka University, 1-2 Yamadaoka, Suita, Osaka, Japan.
Currently, it has been revealed that high levels of tolerance facilitate the occurrence of cooperative behavior in animals. This predicts that Japanese macaques (Macaca fuscata) would fail to solve cooperative food-retrieval tasks because of their low level of social tolerance. However, Japanese macaques exhibit regional differences in their levels of tolerance.
View Article and Find Full Text PDFPlaying it cool: Characterizing social play, bout termination, and candidate play signals of juvenile and infant Tibetan macaques (Macaca thibetana).
Zool Res
July 2018
School of Resource and Environmental Engineering, Anhui University Hefei Anhui 230601, China;
Play behaviors and signals during playful interactions with juvenile conspecifics are important for both the social and cognitive development of young animals. The social organization of a species can also influence juvenile social play. We examined the relationships among play behaviors, candidate play signals, and play bout termination in Tibetan macaques (Macaca thibetana) during juvenile and infant social play to characterize the species play style.
View Article and Find Full Text PDFRank-dependent grooming patterns and cortisol alleviation in Barbary macaques.
Am J Primatol
June 2015
Department of Cognitive Biology, University of Vienna Althanstrasse 14, Vienna, Austria.
Flexibly adapting social behavior to social and environmental challenges helps to alleviate glucocorticoid (GC) levels, which may have positive fitness implications for an individual. For primates, the predominant social behavior is grooming. Giving grooming to others is particularly efficient in terms of GC mitigation.
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