Journal article
Song convergence in multiple urban populations of silvereyes (Zosterops lateralis)
Ecology and Evolution, Vol.2(8), pp.1977-1984
2012
Abstract
Recent studies have revealed differences between urban and rural vocalizations of numerous bird species. These differences include frequency shifts, amplitude shifts, altered song speed, and selective meme use. If particular memes sung by urban populations are adapted to the urban soundscape, "urban-typical" calls, memes, or repertoires should be consistently used in multiple urban populations of the same species, regardless of geographic location. We tested whether songs or contact calls of silvereyes (Zosterops lateralis) might be subject to such convergent cultural evolution by comparing syllable repertoires of geographically dispersed urban and rural population pairs throughout southeastern Australia. Despite frequency and tempo differences between urban and rural calls, call repertoires were similar between habitat types. However, certain song syllables were used more frequently by birds from urban than rural populations. Partial redundancy analysis revealed that both geographic location and habitat characteristics were important predictors of syllable repertoire composition. These findings suggest convergent cultural evolution: urban populations modify both song and call syllables from their local repertoire in response to noise. © 2012 The Authors. Ecology and Evolution published by Blackwell Publishing Ltd.
Details
- Title
- Song convergence in multiple urban populations of silvereyes (Zosterops lateralis)
- Authors
- Dominique A Potvin (Author) - University of MelbourneK M Parris (Author) - University of Melbourne
- Publication details
- Ecology and Evolution, Vol.2(8), pp.1977-1984
- Publisher
- John Wiley & Sons Ltd.
- Date published
- 2012
- DOI
- 10.1002/ece3.320
- ISSN
- 2045-7758
- Copyright note
- Copyright © 2012 The Authors. Ecology and Evolution published by Blackwell Publishing Ltd.This is an open access article under the term s of the Creative Commons At tribution-NonCommercial License, which permits use,distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
- Organisation Unit
- School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99451069902621
- Output Type
- Journal article
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