Common Blue male (IMAGE) University of Cambridge Caption Butterfly populations in Catalonia in northern Spain are better than their UK counterparts at regulating their body temperature by basking in the sunshine, but rising global temperatures due to climate change may put Spanish butterflies at greater risk of extinction. Credit Andrew Bladon Usage Restrictions Please credit Andrew Bladon License Original 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.