WOODPECKER (IMAGE) University of Cincinnati Caption University of Cincinnati doctoral student Ruijia Hu and UC Professor Susanna Tong look at telltale signs of woodpecker activity in the trunk of a tree. Credit Andrew Higley/UC 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.