Acoustic variation of spider monkey (Ateles geoffroyi) contact calls is related to caller isolation and affects listeners’ responses

• José D. Ordóñez-Gómez ,

  Roles Conceptualization, Funding acquisition, Methodology, Writing – original draft, Writing – review & editing

  * E-mail: josed_ordonez@hotmail.com

  Affiliation Cognitive Ethology Laboratory, German Primate Center, Göttingen, Germany

  http://orcid.org/0000-0002-6929-1470

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• Ana M. Santillan-Doherty,

  Roles Writing – review & editing

  Affiliation Neurociencias, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Mexico City, Mexico

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• Kurt Hammerschmidt

  Roles Conceptualization, Methodology, Supervision, Writing – review & editing

  Affiliation Cognitive Ethology Laboratory, German Primate Center, Göttingen, Germany

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