Robosquirrel (IMAGE) University of California - Davis Caption Robot squirrels built by UC Davis engineers are being used to study how rattlesnakes and squirrels interact. Credit Andy Fell, UC Davis Usage Restrictions May be used with acknowledgement of the source. 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.