杨至成将军是贵州省三穗县八弓镇木界村侗家人。
General Yang Zhicheng was born in Sansui county, Guizhou province.
偷猎和森林火灾是导致种群数量减少的两个重要原因，据杨叶青说，贵州梵净山国家级自然保护区，是猴子数量最多的一个区域。
Poaching and forest fires are two of the main causes for the decrease in population, according to Yang Yeqin, director of Guizhou's Fanjingshan National Nature Reserve, where most of the monkeys live.
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