Bell's Vireo (image) University of Illinois at Urbana-Champaign Share Print E-Mail Caption The Conservation Reserve Enhancement Program appears to have benefited the Bell's vireo in Illinois. Credit Photo by Michael Jeffords and Sue Post Usage Restrictions Photo can be used only with stories about the research described here. Credit required: Photo by Michael Jeffords and Sue Post Share Print E-Mail 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.