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Open AccessArticle

Morphological Correlates of Personality in Female Asian Particolored Bats (Vespertilio sinensis)

by Yuze Wang 1,2,†, Biye Shi 1,2,†, Xin Zhao 3, Jiang Feng 1,2,4,* and Tinglei Jiang 1,2,*
1
Jilin Provincial Key Laboratory of Animal Resource Conservation and Utilization, Northeast Normal University, 2555 Jingyue Street, Changchun 130117, China
2
Key Laboratory of Vegetation Ecology of Education Ministry, Institute of Grassland Science, Northeast Normal University, 2555 Jingyue Street, Changchun 130117, China
3
School of Psychology, Inner Mongolia Normal University, Hohhot 010000, China
4
College of Life Science, Jilin Agricultural University, 2888 Xincheng Street, Changchun 130118, China
*
Authors to whom correspondence should be addressed.
These two authors contributed equally to this study.
Animals 2020, 10(2), 289; https://doi.org/10.3390/ani10020289 (registering DOI)
Received: 21 January 2020 / Revised: 7 February 2020 / Accepted: 10 February 2020 / Published: 12 February 2020
(This article belongs to the Section Wildlife)
Personality emerges because of individual differences in repeatable state variables, such as metabolic rate, age, sex, or body size. Personality and its correlation with body size, however, have been relatively unexplored in bats. Our study showed that the exploration of female Asian particolored bats was significantly repeatable, but we did not find significant correlations among exploration, activity, and aggression. This finding suggested that female Asian particolored bats may not have a behavioral syndrome. Additionally, the body mass of female Asian particolored bats was correlated with aggression and activity, suggesting that body mass may have an impact on the behavioral characteristics of bats. Our findings not only added to the literature concerning personality in bats but are also helpful for understanding the maintenance of an animal’s personality.
Personality traits represent a leading edge in the evolutionary process, as natural selection acts directly on variations in individual phenotypes within populations. Recent theoretical models have focused on the concept of adaptive state-dependent behavior, proposing that repeatable differences in behavior emerge because of individual differences in repeatable state variables, such as metabolic rate, age, sex, or body size. Personality and its correlation with body size, however, have been relatively unexplored in bats. We used female Asian particolored bats (Vespertilio sinensis) to investigate three personality characteristics (exploration, activity, and aggression) using the classic hole-board test and examined their relationships with body size using an information-theoretical approach. Our results showed that the exploration of female Asian particolored bats was significantly repeatable, but we did not find significant correlations among the three personality traits. This finding suggested that the female Asian particolored bat may not have a behavioral syndrome. In addition, the body mass of female Asian particolored bats was positively correlated with aggression but was negatively correlated with activity, suggesting that body mass was an important physiological basis affecting the behavioral characteristics of female Asian particolored bats.
Keywords: exploration; activity; aggression; body size; behavioral syndrome exploration; activity; aggression; body size; behavioral syndrome
MDPI and ACS Style

Wang, Y.; Shi, B.; Zhao, X.; Feng, J.; Jiang, T. Morphological Correlates of Personality in Female Asian Particolored Bats (Vespertilio sinensis). Animals 2020, 10, 289.

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