Evidence suggesting that reindeer mothers allonurse according to the direct reciprocity and generalized reciprocity decision rules

• Sacha C. Engelhardt ,

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

  * E-mail: sacha.engelhardt@uni-goettingen.de

  Affiliations Department of Sociobiology/Anthropology, Johann-Friedrich-Blumenbach Institute for Zoology und Anthropology, University of Göttingen, Göttingen, Lower Saxony, Germany, Behavioral Ecology and Sociobiology Unit, German Primate Center, Leibniz Institute for Primate Research, Göttingen, Lower Saxony, Germany, Department of Biology, Concordia University, Montreal, Quebec, Canada, Department of Biology, Institute of Ecology and Evolution, University of Bern, Hinterkappelen, Bern, Switzerland

  https://orcid.org/0000-0001-5101-323X

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• Robert B. Weladji,

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

  Affiliation Department of Biology, Concordia University, Montreal, Quebec, Canada

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• Øystein Holand,

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

  Affiliation Department of Animal and Aquacultural Sciences, Norwegian University of Life Sciences, Ås, Viken, Norway

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• Knut H. Røed,

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

  Affiliation Department of Preclinical Sciences and Pathology, Norwegian University of Life Sciences, Oslo, Oslo, Norway

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• Mauri Nieminen

  Roles Conceptualization, Methodology, Resources, Writing – original draft, Writing – review & editing

  Affiliation Natural Resources Institute Finland Luke, Reindeer Research Station, Kaamanen, Lapland, Finland

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