Bloodsucker knows its victim by the sound of its breathing

时间:2019-02-28 10:13:00166网络整理admin

VAMPIRE bats have a habit of returning to the same unfortunate victim to suck their blood night after night. Now neurobiologists think they know how the bats are able to find their chosen prey again. The key is the unique sound or “voice” made by the individual’s breathing. Lutz Wiegrebe and Udo Groeger at Ludwig Maximilian University in Munich, Germany, tested their theory by providing vampire bats (Desmodus rotundus) access to different feeding trays. While each animal drank cattle blood from a different tray,