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Research Article

Variation in Female Grey Seal (Halichoerus grypus) Reproductive Performance Correlates to Proactive-Reactive Behavioural Types

  • Sean D. Twiss mail,

    s.d.twiss@durham.ac.uk

    Affiliation: School of Biological and Biomedical Sciences, Durham University, Durham, United Kingdom

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  • Charlotte Cairns,

    Affiliation: School of Biological and Biomedical Sciences, Durham University, Durham, United Kingdom

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  • Ross M. Culloch,

    Affiliations: School of Biological and Biomedical Sciences, Durham University, Durham, United Kingdom, Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews, Fife, United Kingdom

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  • Shane A. Richards,

    Affiliation: School of Biological and Biomedical Sciences, Durham University, Durham, United Kingdom

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  • Patrick P. Pomeroy

    Affiliation: Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews, Fife, United Kingdom

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  • Published: November 16, 2012
  • DOI: 10.1371/journal.pone.0049598

About the Authors

Sean D. Twiss, Charlotte Cairns, Ross M. Culloch, Shane A. Richards
School of Biological and Biomedical Sciences, Durham University, Durham, United Kingdom
Ross M. Culloch, Patrick P. Pomeroy
Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews, Fife, United Kingdom

Corresponding Author

Email: s.d.twiss@durham.ac.uk

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SDT PPP. Performed the experiments: SDT PPP CC RMC. Analyzed the data: SDT CC SAR. Contributed reagents/materials/analysis tools: SDT PPP CC SAR. Wrote the paper: SDT. Commented on manuscript: PPP SAR RMC CC.