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Research Article

Some Causes of the Variable Shape of Flocks of Birds

  • Charlotte K. Hemelrijk mail,

    c.k.hemelrijk@rug.nl

    Affiliation: Behavioural Ecology and Self-Organisation, Centre for Ecological and Evolutionary Studies, University of Groningen, Groningen, The Netherlands

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  • Hanno Hildenbrandt

    Affiliation: Behavioural Ecology and Self-Organisation, Centre for Ecological and Evolutionary Studies, University of Groningen, Groningen, The Netherlands

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  • Published: August 04, 2011
  • DOI: 10.1371/journal.pone.0022479

About the Authors

Charlotte K. Hemelrijk, Hanno Hildenbrandt
Behavioural Ecology and Self-Organisation, Centre for Ecological and Evolutionary Studies, University of Groningen, Groningen, The Netherlands

Corresponding Author

Email: c.k.hemelrijk@rug.nl

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Performed the experiments: CKH HH. Analyzed the data: CKH HH. Contributed reagents/materials/analysis tools: CKH HH. Wrote the paper: CKH. Software development: HH.