The Indian cobra (Naja naja) is revered in Indian mythology and culture, and is often seen with snake charmers. Although snakes are able to sense sound, they lack the outer ear that would enable them to hear the music. They follow the pungi that the "snake charmer" holds with his hands. The snake considers the person and pungi a threat and responds to it as if it were a predator. Found in India, Pakistan, Bangladesh, Sri Lanka, Nepal, and Bhutan, it has an excellent sense of smell and night vision. The word cobra comes from the Portuguese cobra de capello, which means "hooded snake.