The looks matter; aggression escalation from changes on phenotypic appearance in the domestic fowl

• Irene Campderrich,

  Roles Data curation, Formal analysis, Investigation, Methodology, Visualization, Writing – original draft

  Affiliation Neiker-Tecnalia, Department of Animal Production, Vitoria-Gasteiz, Spain

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• Guiomar Liste,

  Roles Data curation, Methodology, Writing – review & editing

  Current address: Royal Veterinary College, Animal Welfare Science and Ethics. Hatfield, United Kingdom

  Affiliation Neiker-Tecnalia, Department of Animal Production, Vitoria-Gasteiz, Spain

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• Inma Estevez

  Roles Conceptualization, Data curation, Funding acquisition, Methodology, Project administration, Resources, Software, Supervision, Validation, Writing – review & editing

  * E-mail: iestevez@neiker.eus

  Affiliations Neiker-Tecnalia, Department of Animal Production, Vitoria-Gasteiz, Spain, IKERBASQUE, Basque Foundation for Science, Bilbao, Spain

  http://orcid.org/0000-0002-9054-9528

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