Measures of predator diet alone may underestimate the collective impact on prey: Common buzzard Buteo buteo consumption of economically important red grouse Lagopus lagopus scotica

• Richard M. Francksen ,

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

  * E-mail: richard.francksen@ncl.ac.uk

  Affiliation School of Natural and Environmental Sciences, Newcastle University, Newcastle-Upon-Tyne, England, United Kingdom

  http://orcid.org/0000-0002-1180-726X

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• Nicholas J. Aebischer,

  Roles Formal analysis, Writing – review & editing

  Affiliation Game and Wildlife Conservation Trust, Burgate Manor, Fordingbridge, Hampshire, England, United Kingdom

  http://orcid.org/0000-0003-2629-1072

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• Sonja C. Ludwig,

  Roles Data curation, Writing – review & editing

  Affiliation Game and Wildlife Conservation Trust, Coach House, Eggleston, Barnard Castle, Co. Durham, England, United Kingdom

  http://orcid.org/0000-0003-3209-0568

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• David Baines ,

  Contributed equally to this work with: David Baines, Mark J. Whittingham

  Roles Conceptualization, Supervision, Writing – review & editing

  Affiliation Game and Wildlife Conservation Trust, Coach House, Eggleston, Barnard Castle, Co. Durham, England, United Kingdom

  ⨯
• Mark J. Whittingham

  Contributed equally to this work with: David Baines, Mark J. Whittingham

  Roles Conceptualization, Supervision, Writing – review & editing

  Affiliation School of Natural and Environmental Sciences, Newcastle University, Newcastle-Upon-Tyne, England, United Kingdom

  ⨯