June 9, 2015, his family said Pham Van Minh and Tran Thi Lan as agricultural workers residing in rural Le Ninh Phu Cuong Le Ninh Farm Town Le Thuy District, Quang Binh Province took the initiative to contact and self individual voluntary surrender a brown douc langur (Pygathrix nemaeus) weighing 2.5 kg to the rescue Center, conservation and Development of the management Board creatures national Park Phong Nha - Ke Bang to rescue and drop on the natural environment.
These are individuals of endangered wildlife, rare in Group IB stipulated in Decree 32/2006 / ND-CP of March 30, 2006 of the Government on management of forest plants and animals endangered, rare and precious animal species conservation priorities in accordance with Decree 160/2013 / ND-CP dated 11/12/2013 of the Government on the criteria for identifying species and mode management of species on the list of endangered species, rare and protected priority.