Calling Where It Counts: Subordinate Pied Babblers Target the Audience of Their Vocal Advertisements

• David J. Humphries ,

  * E-mail: davidhumphries@outlook.com

  Affiliations Department of Biological Sciences, Macquarie University, Sydney, NSW, Australia, Pied Babbler Research Project, Kuruman River Reserve, Van Zylsrus, South Africa

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• Fiona M. Finch,

  Affiliation Pied Babbler Research Project, Kuruman River Reserve, Van Zylsrus, South Africa

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• Matthew B. V. Bell,

  Affiliations Institute of Evolutionary Biology, School of Biological Sciences, University of Edinburgh, Edinburgh, EH9 3JT, United Kingdom, Pied Babbler Research Project, Kuruman River Reserve, Van Zylsrus, South Africa

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• Amanda R. Ridley

  Affiliations Department of Biological Sciences, Macquarie University, Sydney, NSW, Australia, DST/NRF Centre of Excellence at the Percy FitzPatrick Institute, University of Cape Town, Cape Town, Western Cape, South Africa, Pied Babbler Research Project, Kuruman River Reserve, Van Zylsrus, South Africa, Centre for Evolutionary Biology, School of Animal Biology, University of Western Australia, Perth, WA, Australia

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