About the Authors
- Gail Campbell-Smith
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* E-mail: primatelass@gmail.com
Affiliation Durrell Institute of Conservation and Ecology, University of Kent, Canterbury, Kent, United Kingdom
- Miran Campbell-Smith
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Affiliation Orangutan Information Centre, Human-Orangutan Conflict and Mitigation Programme, Medan, North Sumatra, Indonesia
- Ian Singleton
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Affiliation Sumatran Orangutan Conservation Programme, PanEco Foundation, Medan, North Sumatra, Indonesia
- Matthew Linkie
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Affiliations Durrell Institute of Conservation and Ecology, University of Kent, Canterbury, Kent, United Kingdom, Fauna & Flora International, Cambridge, United Kingdom
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: GC-S ML. Performed the experiments: GC-S MC-S. Analyzed the data: GC-S. Contributed reagents/materials/analysis tools: GC-S. Wrote the paper: GC-S ML IS.