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Research Article

Wild Bearded Capuchin Monkeys (Sapajus libidinosus) Strategically Place Nuts in a Stable Position during Nut-Cracking

  • Dorothy M. Fragaszy mail,

    doree@uga.edu

    Affiliation: Department of Psychology, University of Georgia, Athens, Georgia, United States of America

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  • Qing Liu,

    Affiliation: Department of Psychology, University of Georgia, Athens, Georgia, United States of America

    Current address: University of North Carolina-Pembroke, Department of Psychology, Pembroke, North Carolina

    X
  • Barth W. Wright,

    Affiliation: Department of Anatomy, Kansas City University of Medicine and Biosciences, Kansas City, Missouri, United States of America

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  • Angellica Allen,

    Affiliation: Department of Psychology, University of Georgia, Athens, Georgia, United States of America

    X
  • Callie Welch Brown,

    Affiliation: Department of Psychology, University of Georgia, Athens, Georgia, United States of America

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  • Elisabetta Visalberghi

    Affiliation: Unit of Cognitive Primatology, Institute of Science and Technology of Cognition, National Research Council, Rome, Italy

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  • Published: February 27, 2013
  • DOI: 10.1371/journal.pone.0056182

About the Authors

Dorothy M. Fragaszy, Qing Liu, Angellica Allen, Callie Welch Brown
Department of Psychology, University of Georgia, Athens, Georgia, United States of America
Barth W. Wright
Department of Anatomy, Kansas City University of Medicine and Biosciences, Kansas City, Missouri, United States of America
Elisabetta Visalberghi
Unit of Cognitive Primatology, Institute of Science and Technology of Cognition, National Research Council, Rome, Italy

Corresponding Author

Email: doree@uga.edu

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: DF BW EV. Performed the experiments: QL DF EV. Analyzed the data: CWB AA DF QL. Wrote the paper: DF.