Hooded langur (scientific name: Trachypithecus pileatus): 53–71 cm long, tail longer than body length, up to 60–95 cm, weight 9–14 kg. There are 4 subspecies. The face is black, the body is silvery gray or yellow except for the ends of the limbs and the tail, the top hair is fluffy, no spiral hair, and the crown is dark, such as wearing a "small hat" on the head, which contrasts with the light-colored beard.
Hat-hooded langurs are rarely wild. It is a diurnal social animal, ranging from 2-15 animals per group, arboreal, feeding on a variety of fresh leaves, shoots, flowers and fruits. It is found in assam in northeastern India and northern Myanmar, and is found only in the Dulongjiang River Valley of Gongshan in northwestern Yunnan.
There are 4 subspecies with different coat colors, the Bengal subspecies has orange abdomen, beard and throat, Bhutanese subspecies gray collar, pale red abdomen, black face with dark gray crowns, and Brahmin subspecies have a much lighter coat color than other subspecies.
Its natural habitats are tropical and subtropical forests and dense forests in river valleys. Its natural habitats are tropical rainforests, monsoon forests or subtropical evergreen broad-leaved forests, lowland and hilly forests, including deciduous forests, below 1500 m above sea level on both sides of rivers and in low ravines and valleys. It is found in bamboo forests, teak forests and plantations.
It is found in Bangladesh, Bhutan, India (Assam, Manipur, Meghalaya, Nagaland), Myanmar. China is found only in the Gaoligongshan region of northwestern Yunnan (the western slope of Gaoligongshan, Fugong, and Lushui).