Ruddy Woodcreeper (IMAGE) Drexel University Caption This is a ruddy woodcreeper, a bivouac-checking species. Credit Courtesy of Sean O'Donnell/Drexel University Usage Restrictions Credit as specified 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.