Researcher with Eastern Chipmunk (IMAGE) Cary Institute of Ecosystem Studies Caption Eastern chipmunks are small-bodied animals with fast lives and dense populations. When ticks feed on them, they are more likely to pick up multiple disease-causing pathogens. Credit Sam Cilo Usage Restrictions To promote this news article. 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.