Type of Publication: | Journal article |
Publication status: | Published |
URI (citable link): | http://nbn-resolving.de/urn:nbn:de:bsz:352-2-qniio1y0ybx37 |
Author: | Kohles, Jenna E.; Carter, Gerald G.; Page, Rachel A.; Dechmann, Dina K. N. |
Year of publication: | 2020 |
Published in: | Behavioral Ecology ; 31 (2020), 5. - pp. 1103-1112. - Oxford University Press (OUP). - ISSN 1045-2249. - eISSN 1465-7279 |
DOI (citable link): | https://dx.doi.org/10.1093/beheco/araa056 |
Summary: |
Animals have evolved diverse strategies to use social information for increasing foraging success and efficiency. Echolocating bats, for example, can eavesdrop on bats foraging nearby because they shift from search-phase calls to feeding buzzes when they detect prey. Feeding buzzes can directly convey information about prey presence, but it is unknown whether search-phase calls also convey social information. Here, we investigated whether search-phase echolocation calls, distinct calls produced by some bat species to scan large open areas for prey, can additionally convey individual identity. We tested this in Molossus molossus, a neotropical insectivorous bat that forages with group members, presumably to find ephemeral insect swarms more efficiently. We caught M. molossus from six different social groups and recorded their search-phase calls during a standardized release procedure, then recaptured and tested 19 marked bats with habituation–dishabituation playback experiments. We showed that they can discriminate between group members based on search-phase calls, and our statistical analysis of call parameters supported the presence of individual signatures in search-phase calls. Individual discrimination is a prerequisite of individual recognition, which may allow M. molossus to maintain contact with group members while foraging without using specialized signals for communication.
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Subject (DDC): | 570 Biosciences, Biology |
Link to License: | Attribution 4.0 International |
Bibliography of Konstanz: | Yes |
Refereed: | Yes |
KOHLES, Jenna E., Gerald G. CARTER, Rachel A. PAGE, Dina K. N. DECHMANN, 2020. Socially foraging bats discriminate between group members based on search-phase echolocation calls. In: Behavioral Ecology. Oxford University Press (OUP). 31(5), pp. 1103-1112. ISSN 1045-2249. eISSN 1465-7279. Available under: doi: 10.1093/beheco/araa056
@article{Kohles2020-10-12Socia-52267, title={Socially foraging bats discriminate between group members based on search-phase echolocation calls}, year={2020}, doi={10.1093/beheco/araa056}, number={5}, volume={31}, issn={1045-2249}, journal={Behavioral Ecology}, pages={1103--1112}, author={Kohles, Jenna E. and Carter, Gerald G. and Page, Rachel A. and Dechmann, Dina K. N.} }
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