Flores Victoria, Carter Gerald G, Halczok Tanja K, Kerth Gerald, Page Rachel A
Committee on Evolutionary Biology, University of Chicago, 1025 E. 57th Street, Chicago, IL 60637, USA.
Smithsonian Tropical Research Institute, Apartado 0843-03092, Balboa, Ancón, Republic of Panamá.
R Soc Open Sci. 2020 Apr 15;7(4):192256. doi: 10.1098/rsos.192256. eCollection 2020 Apr.
General insights into the causes and effects of social structure can be gained from comparative analyses across socially and ecologically diverse taxa, such as bats, but long-term data are lacking for most species. In the neotropical fringe-lipped bat, , social transmission of foraging behaviour is clearly demonstrated in captivity, yet its social structure in the wild remains unclear. Here, we used microsatellite-based estimates of relatedness and records of 157 individually marked adults from 106 roost captures over 6 years, to infer whether male and female have preferred co-roosting associations and whether such associations were influenced by relatedness. Using a null model that controlled for year and roosting location, we found that both male and female have preferred roosting partners, but that only females demonstrate kin-biased association. Most roosting groups (67%) contained multiple females with one or two reproductive males. Relatedness patterns and recapture records corroborate genetic evidence for female philopatry and male dispersal. Our study adds to growing evidence that many bats demonstrate preferred roosting associations, which has the potential to influence social information transfer.
通过对蝙蝠等在社会和生态方面具有多样性的类群进行比较分析，可以获得对社会结构的成因和影响的一般见解，但大多数物种缺乏长期数据。在新热带地区的缘唇蝠中，觅食行为的社会传播在圈养环境中得到了明确证明，但其在野外的社会结构仍不清楚。在这里，我们利用基于微卫星的亲缘关系估计以及6年中从106次栖息地捕获的157只个体标记成年蝙蝠的记录，来推断雄性和雌性是否有偏好的共栖伙伴关系，以及这种伙伴关系是否受到亲缘关系的影响。使用一个控制年份和栖息地位置的零模型，我们发现雄性和雌性都有偏好的栖息伙伴，但只有雌性表现出亲缘偏向性关联。大多数栖息群体（67%）包含多个雌性和一到两个繁殖雄性。亲缘关系模式和重新捕获记录证实了雌性留居和雄性扩散的遗传证据。我们的研究进一步证明，许多蝙蝠表现出偏好的栖息伙伴关系，这有可能影响社会信息传递。
