Quang Binh (VNA) - Eight Ha Tinh langurs (Trachypithecus hatinhensis), one of the world most endangered primate species, were released in Phong Nha-Ke Bang National Park in central Quang Binh province on September 5.
The langurs, six females and two males, had been moved from Cuc Phuong National Park in northern Ninh Binh province.
According to the Phong Nha-Ke Bang Science Centre, the national park will receive 46 other endangered primates from now to the end of this year.
So far the park has recorded a total of t en primate species, the largest number ever seen in a single area in the country, according to a recent survey conducted by Fauna and Flora International (FFI).
Four of the species, the Ha Tinh langur, the black gibbon (Hylobates concolor concolor), the black-shanked douc (Pygathrix nemaeus nigripes), and the white-cheeked gibbon (Hylobates concolor leucogenis), have been listed as the most endangered primates in the world.
The FFI has said there are more than 400 animals of each species in the park.