Range Map (IMAGE) Penn State Caption The range of the wood frog will likely shift north with continued warming conditions, researches suggest. However, accurately predicting where populations will decline cannot be done without considering demographic conditions, including precipitation trends. Credit Miller Lab., Penn State Usage Restrictions Non commercial use 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.