Pink or Brown? (IMAGE) University of Nottingham Caption A Cepaea nemoralis snail -- but is it pink or is it brown? Credit Dr Angus Davison/The University of Nottingham Usage Restrictions Image only to be used with this story 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.