New project aims to save Darwin’s finches (IMAGE) Morris Animal Foundation Caption Researchers with the University of Minnesota hope to release highly-specialized parasitic wasps to serve as a biological control method to save Darwin’s finches from a dire threat: the invasive avian vampire fly, Philornis downsi. Credit George Heimpel Usage Restrictions None License Original content 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.