blackburnian warbler (IMAGE) Virginia Tech Caption A blackburnian warbler perches on a coffee bush in a shade-coffee farm in Colombia. Photo by Virginia Tech's Guillermo Santos. Credit Virginia Tech Usage Restrictions Credit Virginia Tech' 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.