Nectar Feeders Have Very Low Mechanical Advantage (image) University of Massachusetts at Amherst Share Print E-Mail Caption Glossophaga soricina, a nectarivorous bat, feeding on the flowers of a banana plant. Nectar feeding bats comprised one of three evolutionary optima for mechanical advantage among New World Leaf-nosed bats. Credit Beth Clare, Queen Mary University of London Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.