Exploring the hidden landscape of female preferences for complex signals

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dc.contributor.authorReichert, Michael S.
dc.contributor.authorFinck, Jonas
dc.contributor.authorRonacher, Bernhard
dc.contributor.funderNational Science Foundationen
dc.contributor.funderDeutsche Forschungsgemeinschaften
dc.contributor.funderLeibniz-Gemeinschaften
dc.date.accessioned2017-05-16T11:52:04Z
dc.date.available2017-05-16T11:52:04Z
dc.date.issued2017-03-01
dc.description.abstractA major challenge in evolutionary biology is explaining the origins of complex phenotypic diversity. In animal communication, complex signals may evolve from simpler signals because novel signal elements exploit preexisting biases in receivers’ sensory systems. Investigating the shape of female preference functions for novel signal characteristics is a powerful, but underutilized, method to describe the adaptive landscape potentially guiding complex signal evolution. We measured female preference functions for characteristics of acoustic appendages added to male calling songs in the grasshopper Chorthippus biguttulus, which naturally produces only simple songs. We discovered both hidden preferences for and biases against novel complex songs, and identified rules governing song attractiveness based on multiple characteristics of both the base song and appendage. The appendage’s temporal position and duration were especially important: long appendages preceding the song often made songs less attractive, while following appendages were neutral or weakly attractive. Appendages had stronger effects on songs of shorter duration, but did not restore the attractiveness of very unattractive songs. We conclude that sensory biases favor, within predictable limits, the evolution of complex songs in grasshoppers. The function-valued approach is an important tool in determining the generality of these limits in other taxa and signaling modalities.en
dc.description.sponsorshipNational Science Foundation (International Research Fellowship Program IRFP 1158968); Deutsche Forschungsgemeinschaft (RO 547/12-1); Leibniz-Gemeinschaft (GENART project; SAW-2012-MfN-3)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationReichert, M. S., Finck, J. and Ronacher, B. (2017) 'Exploring the hidden landscape of female preferences for complex signals', Evolution, 71(4), pp. 1009–1024. doi:10.1111/evo.13202en
dc.identifier.doi10.1111/evo.13202
dc.identifier.endpage1024en
dc.identifier.issn0014-3820
dc.identifier.issued4en
dc.identifier.journaltitleEvolutionen
dc.identifier.startpage1009en
dc.identifier.urihttps://hdl.handle.net/10468/3973
dc.identifier.volume71en
dc.language.isoenen
dc.publisherJohn Wiley & Sons, Inc. on behalf of the Society for the Study of Evolutionen
dc.relation.urihttp://dx.doi.org/10.5061/dryad.51g4t/1
dc.rights© 2017 The Authors. Evolution © 2017 The Society for the Study of Evolution.en
dc.rights.urihttps://authorservices.wiley.com/author-resources/Journal-Authors/licensing-and-open-access/licensing/onlineopen-without-a-creative-commons-license.htmlen
dc.subjectAdaptive landscapeen
dc.subjectAcoustic communicationen
dc.subjectComplex signalen
dc.subjectOrthopteranen
dc.subjectSensory biasen
dc.subjectSignal evolutionen
dc.titleExploring the hidden landscape of female preferences for complex signalsen
dc.typeArticle (peer-reviewed)en
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