Does facial hair greying in chimpanzees provide a salient progressive cue of aging?

• Elizabeth Tapanes ,

  Roles Formal analysis, Visualization, Writing – original draft, Writing – review & editing

  * E-mail: elizabeth.tapanes@gmail.com

  Affiliation Department of Anthropology, Center for the Advanced Study of Human Paleobiology, The George Washington University, Washington, DC, United States of America

  http://orcid.org/0000-0001-5721-9220

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• Stephanie Anestis,

  Roles Data curation, Investigation, Methodology, Validation, Writing – review & editing

  Affiliation Department of Anthropology, Yale University, New Haven, CT, United States of America

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• Jason M. Kamilar,

  Roles Conceptualization, Formal analysis, Investigation, Methodology, Writing – review & editing

  Affiliations Department of Anthropology, University of Massachusetts Amherst, Amherst, MA, United States of America, Graduate Program in Organismic and Evolutionary Biology, University of Massachusetts Amherst, Amherst, MA, United States of America

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• Brenda J. Bradley

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Supervision, Writing – review & editing

  Affiliation Department of Anthropology, Center for the Advanced Study of Human Paleobiology, The George Washington University, Washington, DC, United States of America

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