Hindu and some Buddhist deities are associated with particular mounts or vehicles (vahanas). Thus Shiva rides the bull, the goddess Parvati rides the lion, and Vishnu rides the divine eaglelike Garuda. Each of the many minor deities has his or her own vehicle. An iconography manual enables a viewer to identify a god as, say, Agni by recognizing his vehicle, the ram. An image on a temple wall may be identified as divine by the presence of a vahana; in the case of a human image, no such vehicle is portrayed.