A total of 156 individuals of the Hatinh langur (Trachypithecus hatinhensis) have been recorded within the designated special-use forest planning area of Tuyen Hoa District.

Of these, 56 individuals are distributed across the communes of Dong Hoa, Thach Hoa, and Thuan Hoa, inhabiting limestone karst formations adjacent to human settlements and agricultural lands. The population is structured into 22 social groups, with the following distribution: Furthermore, surveys conducted by CIRD – CEGORN have identified the presence of another primate species […]