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Avian Urban Ecology$
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Diego Gil and Henrik Brumm

Print publication date: 2013

Print ISBN-13: 9780199661572

Published to Oxford Scholarship Online: May 2015

DOI: 10.1093/acprof:osobl/9780199661572.001.0001

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Acoustic, morphological, and genetic adaptations to urban habitats in the silvereye (Zosterops lateralis)

Acoustic, morphological, and genetic adaptations to urban habitats in the silvereye (Zosterops lateralis)

Chapter:
(p.171) Chapter 13 Acoustic, morphological, and genetic adaptations to urban habitats in the silvereye (Zosterops lateralis)
Source:
Avian Urban Ecology
Author(s):

Dominique A. Potvin

Raoul A. Mulder

Kirsten M. Parris

Publisher:
Oxford University Press
DOI:10.1093/acprof:osobl/9780199661572.003.0013

Silvereyes (Zosterops lateralis) are native Australian birds that thrive in both cities and rural areas. Their diverse repertoire of songs and calls overlap with the frequency range of urban noise. This chapter examines the silvereye to determine the various aspects of urban vocal adjustment, and to test some hypotheses on urban acoustic adaptation. It asks the following questions: Do songs and calls differ between rural and urban silvereye populations? Are any differences potentially adaptive? What evidence is there of signal flexibility? Are any vocalization changes accompanied by morphological or genetic changes? The chapter also looks into the potential mechanisms and consequences of any adaptations or differences between city and rural birds. It presents a case study comparing the morphology, genotypes, songs, alarm calls, and contact calls of seven urban populations with seven rural populations of silvereyes across 1 million kilometres of eastern Australia.

Keywords:   silvereyes, Zosterops lateralis, Australian birds, bird songs, urban noise, vocal adjustment, acoustic adaptation, urban birds, rural birds

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