Dusky Leaf Monkey, Trachypithecus obscurus, 4K Footage

langurs in asia trachypithecus obscurus dusky leaf monkey in asia spectacled leaf monkey dusky leaf monkey near threatened primates leaf monkeys in asia langurs spectacled langur trachypithecus primates in asia leaf monkey near threatened monkeys primates of thailand primates primate monkeys in asia simiiformes near threatened species mammals of thailand animals of thailand kaeng krachan national park monkeys in thailand monkey arboreal animals cercopithecidae animals of asia mammals mammalia near threatened wildlife in thailand bbc wildlife conservation 4k wildlife nat geo animals jungles wild animals tree climbers plant eating animals haplorhini national parks in thailand arboreal herbivorous kaeng krachan 4k footage herbivore nature forests