salamander map (IMAGE) Penn State Caption This map shows the range of the red-backed salamander — with darker shades denoting cooler average summer temperatures and lighter shades showing warmer areas. The four black blocks denote where salamanders were collected in this study. Credit Penn State Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.