Microtis Flightcage (image) Smithsonian Tropical Research Institute Share Print E-Mail Caption This bat gleans insects from leaves. Inga Geipel and colleagues discovered that by approaching a leaf at an oblique angle, it can use its echolocation system to detect stationary insects in the dark. Credit Inga Geipel Usage Restrictions Credit: Inga Geipel 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.