Use of Stereo Duet Playback to Investigate Traditional Duet Playback Methods and Mechanisms of Cooperative Territorial Defence in Magpie-Larks

Use of Stereo Duet Playback to Investigate Traditional Duet Playback Methods and Mechanisms of... USE OF STEREO DUET PLAYBACK TO INVESTIGATE TRADITIONAL DUET PLAYBACK METHODS AND MECHANISMS OF COOPERATIVE TERRITORIAL DEFENCE IN MAGPIE-LARKS by AMY C. ROGERS 1) , JASMINE E. FERGUSON , HELÈNA M. HARRINGTON , SARAH McDOWELL , AUDREY MILLER and JOANNE PANAGOS 2) (Department of Zoology, University of Melbourne) (Acc. 30-IV-2004) Summary Duets are precisely coordinated acoustic displays, usually involving members of a mated pair. Studies investigating avian duet function often employ a single speaker playback system to compare response of focal pairs to simulated territorial intrusion by duetting and solo birds. It has recently been suggested that a ‘stereo duet playback’, in which male and female duet components are separated and broadcast through two different speakers, would provide a more realistic duet stimulus. We conduct the first comparison of a traditional single speaker versus a new stereo duet playback design and provide evidence that Australian magpie-larks, Grallina cyanoleuca , make significantly more flights towards duet playback presented in a more realistic stereo context. Male and female magpie-lark pairs did not split up and attack one ‘intruder’ each when presented with a stereo duet playback. Instead they moved towards the same speaker together as a united pair, showing a http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Use of Stereo Duet Playback to Investigate Traditional Duet Playback Methods and Mechanisms of Cooperative Territorial Defence in Magpie-Larks

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Publisher
BRILL
Copyright
© 2004 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
D.O.I.
10.1163/1568539042245169
Publisher site
See Article on Publisher Site

Abstract

USE OF STEREO DUET PLAYBACK TO INVESTIGATE TRADITIONAL DUET PLAYBACK METHODS AND MECHANISMS OF COOPERATIVE TERRITORIAL DEFENCE IN MAGPIE-LARKS by AMY C. ROGERS 1) , JASMINE E. FERGUSON , HELÈNA M. HARRINGTON , SARAH McDOWELL , AUDREY MILLER and JOANNE PANAGOS 2) (Department of Zoology, University of Melbourne) (Acc. 30-IV-2004) Summary Duets are precisely coordinated acoustic displays, usually involving members of a mated pair. Studies investigating avian duet function often employ a single speaker playback system to compare response of focal pairs to simulated territorial intrusion by duetting and solo birds. It has recently been suggested that a ‘stereo duet playback’, in which male and female duet components are separated and broadcast through two different speakers, would provide a more realistic duet stimulus. We conduct the first comparison of a traditional single speaker versus a new stereo duet playback design and provide evidence that Australian magpie-larks, Grallina cyanoleuca , make significantly more flights towards duet playback presented in a more realistic stereo context. Male and female magpie-lark pairs did not split up and attack one ‘intruder’ each when presented with a stereo duet playback. Instead they moved towards the same speaker together as a united pair, showing a

Journal

BehaviourBrill

Published: Jan 1, 2004

Keywords: GRALLINA CYANOLEUCA; COMMUNICATION; STEREO DUET PLAYBACK; MAGPIE-LARK; DUETTING

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