Dragonflies have four wings on their bodies, which enable them to maneuver and hover very well.       In prehistoric times, dragonflies' wings were up to 3 feet across. Scientists know this because they have found fossils of dragonflies               Dragonflies love water, look for them near ponds or lakes.               An adult dragonfly lives for about a month.       Dragonflies eat other insects until they are full grown. As adults, dragonflies don't eat.