Speech-Like Rhythm in a Voiced and Voiceless Orangutan Call

• Adriano R. Lameira ,

  * E-mail: adriano@orangutan.nl

  Affiliations Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, the Netherlands, Pongo Foundation, Oudewater, the Netherlands

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• Madeleine E. Hardus,

  Affiliations Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, the Netherlands, Pongo Foundation, Oudewater, the Netherlands

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• Adrian M. Bartlett,

  Affiliation Neuroscience Institute, Department of Psychology, Princeton University, Princeton, New Jersey, United States of America

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• Robert W. Shumaker,

  Affiliations Indianapolis Zoo, Indianapolis, Indiana, United States of America, Anthropology Department, Indiana University, Bloomington, Indiana, United States of America

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• Serge A. Wich,

  Affiliations Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, the Netherlands, Research Centre in Evolutionary Anthropology and Palaeoecology, School of Natural Sciences and Psychology, Liverpool John Moores University, Liverpool, United Kingdom

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• Steph B. J. Menken

  Affiliation Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, Amsterdam, the Netherlands

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