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The capped langur (Trachypithecus pileatus) is a species of primate in the family Cercopithecidae. It is native to Bangladesh, Bhutan, India, and Myanmar. Its natural habitat is subtropical or tropical dry forests. It is threatened by habitat loss. They are arboreal and gregarious by nature. A herd of capped langurs consists of 2 to 14 langurs led by a single male. They are herbivorous, eating leaves, twigs, buds and fruits.