Purple-faced langur
…decrease in the population level of the monkeys. It had traditionally been classified within the genus Trachypithecus but was moved to the genus Semnopithecus based on DNA evidence indicating that is it more closely related to the gray langurs. In Sinhala, it is known as ශ්රී ලංකා කළු වඳුරා [kalu ʋaⁿd̪uraː…