Krisangel Lopez, Virginia Tech (IMAGE) Virginia Tech Caption Krisangel Lopez holds a female northern parula (Setophaga americana) for her master's field work in Caddo Lake, Texas. Credit Krisangel Lopez for Virginia Tech Usage Restrictions None License Licensed 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.