Kinship promotes affiliative behaviors in a monkey

Yi Ren, Kang Huang, Songtao Guo, Ruliang Pan, Dunn W. Derek, Xiaoguang Qi, Xiaowei Wang, Chengliang Wang, Haitao Zhao, Bin Yang, Fangfang Li, Baoguo Li

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


In social mammals, kinship is an important factor that often affects the interactions among individuals within groups. In primates that live in a multilevel society, kinship may affect affiliative patterns between individuals at different scales within the larger group. For this study, we use field observations and molecular methods to reveal the profiles of how kinship affects affiliative behaviors between individuals in a breeding band of wild golden snub-nosed monkeys (Rhinopithecus roxellana). We use a novel nonparametric test, the partition Mantel test, to measure independently the correlation between kinship and each of three affiliative behaviors. Our results show that more closely related females are more likely to groom each other. Average relatedness between adult females within the same onemale unit (OMU) is higher than that between adult females from different OMUs. We suggest that closely related females may reside in the same OMU in order to attain inclusive fitness benefits, and that kinship plays an important role inmaintaining the social structure of this species.

Original languageEnglish
Pages (from-to)441-447
Number of pages7
JournalCurrent Zoology
Issue number4
Publication statusPublished - 1 Aug 2018


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