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Article: Asymmetric response patterns to subspecies-specific song differences in allopatry and parapatry in the gray-breasted wood-wren

TitleAsymmetric response patterns to subspecies-specific song differences in allopatry and parapatry in the gray-breasted wood-wren
Authors
KeywordsBehavioral barrier
Character displacement
Cultural transmission
Henicorhina leucophrys
Hybridization
Song variation
Issue Date2010
Citation
Evolution, 2010, v. 64, n. 12, p. 3537-3548 How to Cite?
AbstractSong divergence between closely related taxa may play a critical role in the evolutionary processes of speciation and hybridization. We explored song variation between two Ecuadorian subspecies of the gray-breasted wood-wren (Henicorhina leucophrys) and tested the impact of song divergence on response behaviors. Songs were significantly different between the two subspecies, even between two parapatric populations 10 km apart. Playback experiments revealed an asymmetric response pattern to these divergent subspecies specific songs; one subspecies responded more to songs of its own subspecies than to the other subspecies' songs, whereas the second responded equally strongly to songs of both subspecies. While song parameters revealed a mixed pattern of divergence between allopatric and parapatric populations, the majority of spectral characteristics showed increased divergence in parapatry, suggestive of character displacement. This increased song divergence in parapatry appeared to affect behavioral responses to playback as discriminating responses were most prominent in parapatry and against parapatric songs. The clear behavioral impact of subspecies-specific song differences supports a potential role for song as an acoustic barrier to gene flow. The asymmetric nature of the responses suggests that song divergence could affect the direction of gene flow and the position of the subspecies-specific transition. © 2010 The Author(s). Evolution © 2010 The Society for the Study of Evolution.
Persistent Identifierhttp://hdl.handle.net/10722/206246
ISSN
2015 Impact Factor: 4.007
2015 SCImago Journal Rankings: 3.204
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorDingle, Caroline-
dc.contributor.authorPoelstra, Jelmer W.-
dc.contributor.authorHalfwerk, Wouter-
dc.contributor.authorBrinkhuizen, Dušan M.-
dc.contributor.authorSlabbekoorn, Hans-
dc.date.accessioned2014-10-22T01:25:30Z-
dc.date.available2014-10-22T01:25:30Z-
dc.date.issued2010-
dc.identifier.citationEvolution, 2010, v. 64, n. 12, p. 3537-3548-
dc.identifier.issn0014-3820-
dc.identifier.urihttp://hdl.handle.net/10722/206246-
dc.description.abstractSong divergence between closely related taxa may play a critical role in the evolutionary processes of speciation and hybridization. We explored song variation between two Ecuadorian subspecies of the gray-breasted wood-wren (Henicorhina leucophrys) and tested the impact of song divergence on response behaviors. Songs were significantly different between the two subspecies, even between two parapatric populations 10 km apart. Playback experiments revealed an asymmetric response pattern to these divergent subspecies specific songs; one subspecies responded more to songs of its own subspecies than to the other subspecies' songs, whereas the second responded equally strongly to songs of both subspecies. While song parameters revealed a mixed pattern of divergence between allopatric and parapatric populations, the majority of spectral characteristics showed increased divergence in parapatry, suggestive of character displacement. This increased song divergence in parapatry appeared to affect behavioral responses to playback as discriminating responses were most prominent in parapatry and against parapatric songs. The clear behavioral impact of subspecies-specific song differences supports a potential role for song as an acoustic barrier to gene flow. The asymmetric nature of the responses suggests that song divergence could affect the direction of gene flow and the position of the subspecies-specific transition. © 2010 The Author(s). Evolution © 2010 The Society for the Study of Evolution.-
dc.languageeng-
dc.relation.ispartofEvolution-
dc.subjectBehavioral barrier-
dc.subjectCharacter displacement-
dc.subjectCultural transmission-
dc.subjectHenicorhina leucophrys-
dc.subjectHybridization-
dc.subjectSong variation-
dc.titleAsymmetric response patterns to subspecies-specific song differences in allopatry and parapatry in the gray-breasted wood-wren-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1111/j.1558-5646.2010.01089.x-
dc.identifier.pmid20666843-
dc.identifier.scopuseid_2-s2.0-78650027521-
dc.identifier.volume64-
dc.identifier.issue12-
dc.identifier.spage3537-
dc.identifier.epage3548-
dc.identifier.eissn1558-5646-
dc.identifier.isiWOS:000284850100015-

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