Call combinations in birds and the evolution of compositional syntax

• Toshitaka N. Suzuki ,

  Contributed equally to this work with: Toshitaka N. Suzuki, David Wheatcroft, Michael Griesser

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

  * E-mail: toshi.n.suzuki@gmail.com

  Affiliation Department of Evolutionary Studies of Biosystems, SOKENDAI (The Graduate University for Advanced Studies), Kanagawa, Japan

  http://orcid.org/0000-0001-6405-7653

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• David Wheatcroft ,

  Contributed equally to this work with: Toshitaka N. Suzuki, David Wheatcroft, Michael Griesser

  Roles Writing – original draft, Writing – review & editing

  Affiliation Department of Animal Ecology, Uppsala University, Uppsala, Sweden

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• Michael Griesser

  Contributed equally to this work with: Toshitaka N. Suzuki, David Wheatcroft, Michael Griesser

  Roles Writing – original draft, Writing – review & editing

  Affiliation Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland

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