<i>Liolaemus nigriceps</i> (IMAGE) University of Lincoln Caption Image showing variations between male and female Liolaemus nigriceps. Credit Dr Daniel Pincheira-Donoso, School of Life Sciences, University of Lincoln Usage Restrictions For editorial 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.