Current Zoology(formerly Acta Zoologica Sinica),    2011, 57(1): 18 - 25
Title: Diet of the Assamese macaque Macaca assamensis in lime-stone habitats of Nonggang, China
Authors: Qihai ZHOU, Hua WEI, Zhonghao HUANG, Chengming HUANG
 G a n g x i   N o r m a l   U n i v e r s i t y 

 To enhance our understanding of dietary adaptations in macaques we studied the diet of the Assamese macaque Macaca assamensis in limestone seasonal rain forests at Nonggang Nature Reserve, China from September 2005 to August 2006. Our results show that although macaques fed on many plant species, 85.2% of the diet came from only 12 species, of which a bamboo species, Indocalamus calcicolus contributed to 62% of the diet. Young leaves were staple food items (74.1% of the diet) for Assamese macaques at Nonggang, and constituted the bulk of monthly diets almost year-round, ranging from 44.9% (July) to 92.9% (May). Young parts of Indocalamus calcicolus unexpanded leaves contributed to a large proportion of the young leaf diet in most months. Fruit accounted for only 17.4% of the diet, with a peak of consumption in July. We suggest that this highly folivorous diet may be related to the long lean season of fruit availability in limestone habitats as well as the utilization of cliffs of low fruit availability [Current Zoology 57 (1): 18–25, 2011].

Keywords: Assamese macaque, Macaca assamensis, Diet, Limestone habitat

*Correspondence should be addressed to Chengming HUANG (

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