Blackpoll Warbler Migration Routes Infographic (IMAGE) University of Massachusetts Amherst Caption First author Bill DeLuca at UMass Amherst and colleagues deployed dime-sized geo-location devices with a 12-month battery life on male blackpoll warblers at four locations: Churchill, Manitoba; Whitehorse, Yukon Territory; Denali National Park and Nome, both in Alaska. Credit UMass Amherst/University of Guelph 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.