About the Authors
- Erik Meijaard
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* E-mail: emeijaard@pnc-int.com
Affiliations People and Nature Consulting International, Bali, Indonesia, School for Archaeology and Palaeoanthropology, Australian National University, Canberra, Australia
- Kerrie Mengersen
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Affiliation School of Mathematical Sciences, Queensland University of Technology, Brisbane, Australia
- Damayanti Buchori
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Affiliation The Nature Conservancy – Indonesia Program, Jakarta, Indonesia
- Anton Nurcahyo
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Affiliation Borneo Orangutan Survival Foundation, Orangutan Reintroduction Program Central Kalimantan, Palangka Raya, Indonesia
- Marc Ancrenaz
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Affiliation Kinabatangan Orang-utan Conservation Project, Sandakan, Sabah, Malaysia
- Serge Wich
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Affiliations Sumatran Orangutan Conservation Program (PanEco-YEL), Medan, Indonesia, Anthropological Institute and Museum, University of Zurich, Zurich, Switzerland
- Sri Suci Utami Atmoko
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Affiliations Fakultas Biologi, Universitas Nasional, Pasar Minggu, Jakarta, Indonesia, Perhimpunan Ahli dan Pemerhati Primata Indonesia (PERHAPPI), Bogor, Indonesia
- Albertus Tjiu
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Affiliation World Wide Fund for Nature Indonesia, Pontianak, Indonesia
- Didik Prasetyo
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Affiliation Perhimpunan Ahli dan Pemerhati Primata Indonesia (PERHAPPI), Bogor, Indonesia
- Nardiyono
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Affiliation The Nature Conservancy – Indonesia Program, Jakarta, Indonesia
- Yokyok Hadiprakarsa
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Affiliations The Nature Conservancy – Indonesia Program, Jakarta, Indonesia, Perhimpunan Ahli dan Pemerhati Primata Indonesia (PERHAPPI), Bogor, Indonesia
- Lenny Christy
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Affiliation The Nature Conservancy – Indonesia Program, Jakarta, Indonesia
- Jessie Wells
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Affiliation School of Biological Sciences, University of Queensland, St Lucia, Australia
- Guillaume Albar
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Affiliation Société d'Ornithologie de Polynésie, Taravao, Tahiti, French Polynesia
- Andrew J. Marshall
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Affiliation Graduate Group in Ecology, and Animal Behavior Graduate Group, Department of Anthropology, University of California Davis, Davis, California, United States of America
Competing Interests
Erik Meijaard is presently employed by People and Nature Consulting International (PNCI), but was not working for them at the time the study was conducted. The work that went into analyzing and writing up the results of this study was unpaid. PNCI had no role in the study. The affiliation with PNCI does not alter Erik Meijaard's adherence to all the PLoS ONE policies on sharing data and materials.
Author Contributions
Conceived and designed the experiments: EM KM AN MA SW SUA AJM. Performed the experiments: EM KM DB AN SUA AT DP NA GA. Analyzed the data: EM KM DB AN YH LC JW. Contributed reagents/materials/analysis tools: EM KM LC JW. Wrote the paper: EM KM DB MA SW AJM.