Blood-Sucking Bugs Find Bats To Bite Thanks to Bacteria Blood-sucking flies may be following chemicals produced by skin bacteria to locate bats to feed on. We humans aren’t the only animals that have to worry about bug bites. There are thousands of insect species that have evolved to specialize in feeding on different mammals and birds, but scientists are still learning how these bugs differentiate between species to track down their preferred prey. Knight Lab August 30, 2021 0 Share