About the Authors

Yi-Chen Wang

Affiliation Department of Geography, National University of Singapore, Singapore, Singapore

Amrita Srivathsan

Affiliation Department of Biological Sciences, National University of Singapore, Singapore, Singapore

Chen-Chieh Feng

Affiliation Department of Geography, National University of Singapore, Singapore, Singapore

Agus Salim

Affiliation Hatfield Consultants, North Vancouver, British Columbia, Canada

Myron Shekelle

shekelle@tarsier.org

Affiliation Department of Biology, Museum of Vertebrate Biology, Portland State University, Portland, Oregon, United States of America

Competing Interests

The authors declare that the affiliation of their co-author, Mr Agus Salim, to Hatfield Consultants, does not alter their adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Processed the data: YW CF A. Srivathsan A. Salim. Conceived and designed the experiments: A. Srivathsan MS YW. Analyzed the data: YW CF MS A. Salim. Contributed reagents/materials/analysis tools: YW CF A. Srivathsan A. Salim. Wrote the paper: YW MS.