{"title":"Halloween day! a molossid bat trapped in a communal spider web in the Paraná flooded savanna of eastern Argentina","authors":"Romina Pavé, Jorge Baldo, Vanesa Arzamendia, Yanina Arzamendia","doi":"10.1007/s10211-024-00451-x","DOIUrl":null,"url":null,"abstract":"<div><p>Bats are prey for several vertebrate and invertebrate predators including spiders. We report the first case of a subadult female mastiff bat (<i>Molossus molossus</i>, Molossidae) trapped in a communal spider web of <i>Parawixia bistriata</i> (Araneidae, Araneae) with photographs and videotapes. This event occurred in the garden of a house next to a wetland in the east of Santa Fe province, Argentina (Paraná flooded savanna ecoregion). The day after the event, the bat was found dead entangled in the spider web. However, it remained in the spider web for three days until falling due to the effects of a strong storm. During this time in the spider web, the bat was daily visited during twilight by one to four spiders at a time. Over three days, the spiders strengthened the web around the bat and bit it with their chelicerae, which could indicate that they engaged in cooperative feeding on the trapped mammal.</p></div>","PeriodicalId":6879,"journal":{"name":"acta ethologica","volume":"28 1","pages":"39 - 43"},"PeriodicalIF":1.1000,"publicationDate":"2024-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"acta ethologica","FirstCategoryId":"99","ListUrlMain":"https://link.springer.com/article/10.1007/s10211-024-00451-x","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"BEHAVIORAL SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
Bats are prey for several vertebrate and invertebrate predators including spiders. We report the first case of a subadult female mastiff bat (Molossus molossus, Molossidae) trapped in a communal spider web of Parawixia bistriata (Araneidae, Araneae) with photographs and videotapes. This event occurred in the garden of a house next to a wetland in the east of Santa Fe province, Argentina (Paraná flooded savanna ecoregion). The day after the event, the bat was found dead entangled in the spider web. However, it remained in the spider web for three days until falling due to the effects of a strong storm. During this time in the spider web, the bat was daily visited during twilight by one to four spiders at a time. Over three days, the spiders strengthened the web around the bat and bit it with their chelicerae, which could indicate that they engaged in cooperative feeding on the trapped mammal.
期刊介绍：
acta ethologica publishes empirical and theoretical research papers, short communications, commentaries, reviews and book reviews as well as methods papers in the field of ethology and related disciplines, with a strong concentration on the behavior biology of humans and other animals.
The journal places special emphasis on studies integrating proximate (mechanisms, development) and ultimate (function, evolution) levels in the analysis of behavior. Aspects of particular interest include: adaptive plasticity of behavior, inter-individual and geographic variations in behavior, mechanisms underlying behavior, evolutionary processes and functions of behavior, and many other topics.
acta ethologica is an official journal of ISPA, CRL and the Portuguese Ethological Society (SPE)
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