About the Authors
- Vincent Nijman
-
* E-mail: vnijman@brookes.ac.uk
Affiliation Oxford Wildlife Trade Research Group, Oxford Brookes University, OX3 0BP, Oxford, United Kingdom
- Denise Spaan
-
Affiliations Oxford Wildlife Trade Research Group, Oxford Brookes University, OX3 0BP, Oxford, United Kingdom, Institute of Neuroethology, University of Veracruz, Xalapa, Mexico
- K. Anne-Isola Nekaris
-
Affiliation Oxford Wildlife Trade Research Group, Oxford Brookes University, OX3 0BP, Oxford, United Kingdom
Competing Interests
The study was funded in part by two commercial funders, Dierenpark Amsterfoort and Cleveland Zoo. This does not alter the authors' adherence to all PLOS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: VN DS KAIN. Analyzed the data: VN KAIN. Contributed reagents/materials/analysis tools: VN DS KAIN. Wrote the paper: VN DS KAIN.