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Research Article

Solving a Migration Riddle Using Isoscapes: House Martins from a Dutch Village Winter over West Africa

  • Keith A. Hobson mail,

    Keith.Hobson@ec.gc.ca

    Affiliation: Environment Canada, Saskatoon, Saskatchewan, Canada

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  • Steven L. Van Wilgenburg,

    Affiliation: Environment Canada, Saskatoon, Saskatchewan, Canada

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  • Theunis Piersma,

    Affiliations: Centre for Ecological and Evolutionary Studies, University of Groningen, Groningen, Groningen, The Netherlands, Department of Marine Ecology, Royal Netherlands Institute for Sea Research, Den Burg, Texel, The Netherlands

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  • Leonard I. Wassenaar

    Affiliation: Environment Canada, Saskatoon, Saskatchewan, Canada

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  • Published: September 21, 2012
  • DOI: 10.1371/journal.pone.0045005

About the Authors

Keith A. Hobson, Steven L. Van Wilgenburg, Leonard I. Wassenaar
Environment Canada, Saskatoon, Saskatchewan, Canada
Theunis Piersma
Centre for Ecological and Evolutionary Studies, University of Groningen, Groningen, Groningen, The Netherlands
Theunis Piersma
Department of Marine Ecology, Royal Netherlands Institute for Sea Research, Den Burg, Texel, The Netherlands

Corresponding Author

Email: Keith.Hobson@ec.gc.ca

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TP KAH. Analyzed the data: SVW TP. Wrote the paper: KAH SVW TP LIW. Collected field samples: TP. Conducted isotope analyses: LIW.