Call and be counted! Can we reliably estimate the number of callers in the indri's (Indri indri) song?

• Valeria Torti ,

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Writing – original draft, Writing – review & editing

  * E-mail: valeria.torti@unito.it

  Affiliation Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy

  http://orcid.org/0000-0002-6908-1203

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• Daria Valente,

  Roles Data curation, Investigation, Visualization, Writing – review & editing

  Affiliation Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy

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• Chiara De Gregorio,

  Roles Data curation, Investigation, Writing – review & editing

  Affiliation Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy

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• Carlo Comazzi,

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

  Affiliation Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy

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• Longondraza Miaretsoa,

  Roles Data curation, Investigation

  Affiliation Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy

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• Jonah Ratsimbazafy,

  Roles Supervision, Writing – review & editing

  Affiliation Group d’Etude et de Recherche sur les Primates de Madagascar (GERP), Antananarivo, Madagascar

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• Cristina Giacoma,

  Roles Funding acquisition, Project administration, Supervision

  Affiliation Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy

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• Marco Gamba

  Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Software, Validation, Visualization, Writing – original draft, Writing – review & editing

  Affiliation Department of Life Sciences and Systems Biology, University of Torino, Torino, Italy

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