The People's Court of Shuicheng county handed down the sentences in mid-August in Liupanshui city where serial cases of poaching and selling the rare monkeys were uncovered, the Guizhou Provincial Forest Public Security Bureau said.
The court found that from 2011 to 2013, two poachers surnamed Zhao and Yang captured five black leaf monkeys in Xinqian village, Shuicheng County and sold them via two traffickers to a man surnamed Yin, the former director of the Liupanshui zoo, state-run Xinhua news agency reported.
The five were convicted of poaching, selling and trafficking endangered wild animals, the court said.
Three prime culprits, Zhao, Yin and Yang, were sentenced to 16, 11 and 10 years in jail and fined 150,000 yuan (USD 23,565), 100,000 yuan and 50,000 yuan respectively, it said.
The two traffickers, identified as Liu and Lu, were both sentenced to two years in jail and fined 10,000 yuan each, according to the court.
Black leaf monkeys mainly live in Guizhou Province, Guangxi Zhuang Autonomous Region and Chongqing Municipality in China and northern Vietnam.
The International Union for Conservation of Nature listed the species on its Red List of Threatened Species in 2012.
