According to Abraham Van Helsing the voice of authority on vampires in Dracula the vampire can see in the dark. Although this is not mentioned in the folk literature, it was a logical conclusion because vampires were nocturnal creatures who moved about freely in the darkness of the evening hours. Some of the vampire's attributes were derived from its association with the bat. Bats, for instance, have a radar system that makes them extremely well adapted night creatures. Dracula was pictured as regularly leaving his castle each evening to feed and return with food for his vampire brides He also used his acute sight in his attacks on Lucy Westenra and
