Dispersal patterns in Yunnan snub-nosed monkeys
作者机构：Key Laboratory of Southwest China Wildlife Resources Conservation(Ministry of Education)China West Normal UniversityNanchong CitySichuan 637009China Institute of Rare Animals and PlantsChina West Normal UniversityNanchong CitySichuan 637009China Auburn University LibrariesAuburn UniversityAuburnAL 36849USA Key Laboratory for Ecology of Tropical Islands(Ministry of Education)Hainan Normal UniversityHaikouHainan 571158China Key Laboratory of Tropical Animal and Plant Ecology of Hainan ProvinceHainan Normal UniversityHaikouHainan 571158China
出 版 物：《Current Zoology》 (动物学报（英文版）)
年 卷 期：2022年第68卷第3期
页 面：265-273页
核心收录：
学科分类：0710[理学-生物学] 07[理学] 071002[理学-动物学]
基 金：Financial supports were provided by the project of the National Natural Science Foundation of China(No.32070454) Second Tibetan Plateau Scientific Expedition and Research Program(No.2019QZKK0501) National Key Programme of Research and Development,Ministry of Science and Technology(No.2016YFC0503200) Biodiversity Survey and Assessment Project of the Ministry of Ecology and Environment,China(No.2019HJ2096001006) Sichuan Science and Technology Program(2021JDRC0024).
主 题：bisexual dispersal dispersal parallel dispersal Rhinopithecus bieti
摘 要：Sex-biased dispersal is common in group-living animals.Due to differences in local demographic and environmental factors,sex-biased dispersal presents many irregular patterns.In this study,a habituated,individually identified Yunnan snub-nosed monkey Rhinopithecus bieti group was observed over 9 years;192 dispersal events,including 97 male dispersal events(25 natal dispersal and 72 secondary dispersal)and 95 female dispersal events(34 natal dispersal and 61 secondary dispersal)were observed.Males and females showed different dispersal paths,dispersal ages,and dispersal patterns.Females had 2 dispersal paths,whereas males had 4 paths.In terms of age of dispersal,the male age of natal dispersal was younger than for females.Males prefer single dispersal,whereas females prefer parallel dispersal.Our study indicates that the dispersal pattern of R.bieti should be classified as a bisexual dispersal pattern.The differences in dispersal path,average age at dispersal,and dispersal path pattern indicate that Yunnan snub-nosed monkeys may still retain a loose matrilineal social system.
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