Yellow-bellied Sapsucker (IMAGE) University of Wisconsin-Madison Caption Short-distance migrants like yellow-bellied sapsuckers were negatively affected by heat waves, with their numbers reduced due to unlivable environmental conditions. Credit Jeremy Cohen Usage Restrictions None 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.