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3 March 2020 Effects of body size and prior residence on dominance hierarchies in female Asian particolored bats
Heng Liu, Xin Zhao, Yuze Wang, Ying Liu, Jiang Feng, Tinglei Jiang
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Abstract

Social animals may cooperate to gain resources such as food and territory. However, unavoidable conflicts over limited resources frequently occur between group members. Social rank may effectively decrease conflicts within animal social groups, thereby reducing energy consumption and maintaining group stability. In this study, we tested the two factors most often proposed to influence winning a conflict: body size and prior residence. Our results showed that female Asian particolored bats (Vespertilio sinensis) formed near-linear dominance hierarchies. Forearm length was significantly positively correlated with dominance rank in three replicate experiments. In addition, prior residents had significantly higher dominance ranks than intruders of similar body size. These results suggested that both body size and prior residence might affect dominance ranks in female Asian particolored bats.

© 2020 American Society of Mammalogists, www.mammalogy.org
Heng Liu, Xin Zhao, Yuze Wang, Ying Liu, Jiang Feng, and Tinglei Jiang "Effects of body size and prior residence on dominance hierarchies in female Asian particolored bats," Journal of Mammalogy 101(2), 526-534, (3 March 2020). https://doi.org/10.1093/jmammal/gyaa015
Received: 18 August 2019; Accepted: 31 January 2020; Published: 3 March 2020
KEYWORDS
animal conflict
Dominance rank
individual difference
social dynamic
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