Cát Bà National Park
Cát Bà National Park is a World Heritage Site designated as a biosphere reserve in northern Vietnam. The park is part of Cát Bà Island in Hạ Long Bay and is administered by the city of Haiphong. The park is located approximately east of Hai Phong, covering about and comprising of land and of inshore water. The Cát Bà langur, also known as the white-headed langur ("Trachypithecus poliocephalus") is resident within the park and is classified by the International Union for Conservation of Nature as a critically endangered primate; one of the rarest in the  world. History. Cát Bà National Park was established on 31 March 1986 under No.79/CP decision of the Council of Ministers of Vietnam (now the government). The park has been a popular tourist destination, since the mid-1990s with wealthy Chinese and Vietnamese tourists. The tourists created a demand for traditional medicine and development and logging led to the near extinction of the white-headed langur with numbers falling from 2600 to just 40 in 2003. In 2016 there are 67 (± 5). Geography. Cát Bà National Park is situated off the north-east shore of Viet-nam and covers most  of Cát Bà island; the park headquarters are at Trung Trang. The island is mainly limestone with alternating narrow valleys running north-east to south-west. There are many rugged hills with elevation to ; most are in the range . The geographic coordinates are: There are five main soil groups: The area of the park is , of which is forest and of sea. Forest includes primary, secondary and mangrove. Biological resources. Flora. Over 1,500 species of plants have been recorded including 118 trees and 160 plants with medicinal properties. Fauna. So far 282 species have been recorded. These include 32 species  of mammals, 78 birds species, 20 species of reptiles and amphibians, 98 species of zooplankton, 196 species of marine fish and 177 species of coral. The most commonly seen mammals include civet, deer, macaques and squirrels. The island is on a major migration route for waterfowl which feed and roost in the mangrove forests.