Challenges and benefits of using unstructured citizen science data to estimate seasonal timing of bird migration across large scales

• Nadja Weisshaupt ,

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

  * E-mail: nadja.weisshaupt@fmi.fi

  Affiliation Finnish Meteorological Institute, Helsinki, Finland

  https://orcid.org/0000-0003-4510-4121

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• Aleksi Lehikoinen,

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

  Affiliation Finnish Museum of Natural History, University of Helsinki, Helsinki, Finland

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• Terhi Mäkinen,

  Roles Methodology, Writing – review & editing

  Affiliation Finnish Meteorological Institute, Helsinki, Finland

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• Jarmo Koistinen

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

  Affiliation Finnish Meteorological Institute, Helsinki, Finland

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