Turns Out, Bigger isn't Always Better (IMAGE) PLOS Caption This is an adult snow vole (Chionomys nivalis, Martin 1842) in its natural habitat in Churwalden, Switzerland. Credit Timothée Bonnet Usage Restrictions All figures and photographic images will be published under a Creative Commons Attribution License (CCAL), which allows them to be freely used, distributed, and built upon as long as proper attribution is given. 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.