Halloween, October 31th, especially during the dark, is considered a time for the supernatural. Some people, far back in the past, believed bats seen on that night are vampires that turned themselves into the winged creatures. Of course, nowadays bats seen on Halloween are known to be just animals. Out of a thousand species of bats, only three types are vampires. The vast majority of the flying mammals sustain themselves by eating insects, and in many cases, only eat insects.
Read some amazing articles: