基金This research was funded by the grants from Primate Conservation Inc. Wenner Gren Foundation (No. DCTF-60)+9 种基金 Earthwatch Wildlife Conservation Society National Geographic Society (No. 6093-97) LSB Leakey Trust American Society of Primatologists International Primate Protection League University of Edinburgh Primate Society of Great Britain Kadoorie Farm & Botanic Garden and Overseas Research Student Scheme (UK).