About the Authors
- Jennifer C. Perry
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* E-mail: jennifer.perry@zoo.ox.ac.uk
Affiliations Edward Grey Institute, Department of Zoology, University of Oxford, Oxford, United Kingdom, Jesus College, University of Oxford, Oxford, United Kingdom
- Crystal T. Tse
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Affiliation Department of Psychology, University of Waterloo, Waterloo, Ontario, Canada
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: JP CT. Performed the experiments: JP CT. Analyzed the data: JP CT. Wrote the paper: JP CT.