Black-and-white Warbler (IMAGE) Cornell University Caption In the latter half of this century, migrants such as the Black-and-white Warbler may experience climate extremes unlike any in their history. Credit Photo by Kelly Colgan Azar. Usage Restrictions For use with articles about this research only. 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.