About the Authors

Deborah J. Pain

debbie.pain@wwt.org.uk

Affiliation Wildfowl & Wetlands Trust, Slimbridge, Gloucestershire, United Kingdom

Ruth L. Cromie

Affiliation Wildfowl & Wetlands Trust, Slimbridge, Gloucestershire, United Kingdom

Julia Newth

Affiliation Wildfowl & Wetlands Trust, Slimbridge, Gloucestershire, United Kingdom

Martin J. Brown

Affiliation Wildfowl & Wetlands Trust, Slimbridge, Gloucestershire, United Kingdom

Eric Crutcher

Affiliation Residues Surveillance Unit, Veterinary Medicines Directorate, Addlestone, Surrey, United Kingdom

Pippa Hardman

Affiliation Wildfowl & Wetlands Trust, Slimbridge, Gloucestershire, United Kingdom

Louise Hurst

Affiliation Wildfowl & Wetlands Trust, Slimbridge, Gloucestershire, United Kingdom

Rafael Mateo

Affiliation Instituto de Investigación en Recursos Cinegéticos, IREC (CSIC-UCLM-JCCM), Ciudad Real, Spain

Andrew A. Meharg

Affiliation Institute of Biological Environmental Sciences, University of Aberdeen, Aberdeen, United Kingdom

Annette C. Moran

Affiliation Institute of Biological Environmental Sciences, University of Aberdeen, Aberdeen, United Kingdom

Andrea Raab

Affiliation Institute of Biological Environmental Sciences, University of Aberdeen, Aberdeen, United Kingdom

Mark A. Taggart

Affiliation Instituto de Investigación en Recursos Cinegéticos, IREC (CSIC-UCLM-JCCM), Ciudad Real, Spain

Rhys E. Green

Affiliations Royal Society for the Protection of Birds, Sandy, Bedfordshire, United Kingdom, Conservation Science Group, Department of Zoology, University of Cambridge, Cambridge, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DJP RG. Analyzed the data: RG. Wrote the paper: DJP RG. Designed study: RC. Revised and approved the article: RC JN MB EC PH LH RM AM ACM AR MAT. Helped design methods: JN. Acquired and prepared samples: JN PH LH. Acquired samples: MB. Analysed samples: MB RM AM ACM AR MAT. Interpreted data: EC.