This work is made possible from funding from Chevron Corporation to the Wildlife Trust in partnership with Peka Foundation Indonesia. We thank the management of Chevron Geothermal Indonesia for access and assistance during field works. We thank Damayanti Buchori, Shinta Puspitasari, Bandung Sahari, Wika, Heri Tabadepu, and Iyus, from Peka Foundation for advice and assistance in the field. We are grateful for the assistant of Mr. Ucup, Mr. Jejen and family who had shared their house with us every month. Dede Hendra Setiawan, Asyrafi, Nur Ikhwan, Akmal, Arif Tajali, Beny Aladin and
Neneng Sholihat had volunteered their time in the field, thank you. We also appreciate advices and insights given by Jodi Rowley during the preparation of this report.