Answer : Capped langur, Capped Monkey, Capped leafed monkey, Bonneted Langur is a mammal of the monkey species. They are also called monkeys because they live by eating the leaves of trees . They belong to the family Cercopithecidae and its scientific name is Trachypithecus pileatus . They are found in Bangladesh , Nepal , Bhutan , China , India and Myanmar. Their natural habitat is tropical and equatorial arid forests. Their existence is in crisis due to depletion of forest cover due to increasing population pressure , industrialization and expansion of agriculture. At present, they are considered endangered all over the world.