Evolutionary Ecology

, Volume 27, Issue 2, pp 381–391

Limited genetic differentiation between acoustically divergent populations of urban and rural silvereyes (Zosterops lateralis)

  • Dominique A. Potvin
  • Kirsten M. Parris
  • Raoul A. Mulder
Original Paper

DOI: 10.1007/s10682-012-9591-1

Cite this article as:
Potvin, D.A., Parris, K.M. & Mulder, R.A. Evol Ecol (2013) 27: 381. doi:10.1007/s10682-012-9591-1

Abstract

The bioacoustic attributes of vocalisations made by birds in urban environments often differ markedly from those of rural conspecifics. Whether such differences are result from genetic divergence between urban and rural populations, or from plasticity or cultural evolution of song remains poorly understood. Silvereyes (Zosterops lateralis) show evidence of acoustic adaptation to urban noise, modifying both their songs and calls in cities when compared to rural areas. We investigated whether these differences were associated with corresponding morphological and neutral genetic differences. Across six pairs of geographically separate urban and rural populations, all morphological traits measured were similar. Furthermore, genetic analyses of variation at nine microsatellite loci revealed high levels of genetic connectivity between populations, and similar levels of heterozygosity in both habitat types. Consistent directional shifts in song attributes of city birds across large geographic areas thus do not appear to be accompanied by associated morphological or neutral genetic divergence.

Keywords

Urbanization Silvereye Population genetics Zosterops lateralis 

Supplementary material

10682_2012_9591_MOESM1_ESM.doc (56 kb)
Supplementary material 1 (DOC 56 kb)
10682_2012_9591_MOESM2_ESM.pdf (999 kb)
Figure S1. Mean measurements of head-bill length, wing length, tarsus length, tail length and mass of rural and urban silvereyes, grouped by geographic area (indicated on map). Error bars represent standard deviation. (PDF 999 kb)

Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • Dominique A. Potvin
    • 1
  • Kirsten M. Parris
    • 2
  • Raoul A. Mulder
    • 1
  1. 1.Department of ZoologyUniversity of MelbourneParkvilleAustralia
  2. 2.School of BotanyUniversity of MelbourneParkvilleAustralia

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