A recent study conducted in Israel’s Hula Valley reveals how bats manage to avoid collisions while exiting caves in large groups. Despite the expected interference from their echolocation calls, which could lead to crashes, bats have adapted by making behavioural changes. They fan out in flight, switching to higher-frequency calls that are shorter and weaker, helpin... from Gadgets 360 https://ift.tt/0yWilZt via IFTTT