Brown Anole Lizard Pair (IMAGE) University of California - Davis Caption This is a founder pair of Caribbean brown anole lizards, one of the actual colonist couples, shortly after release. They were involved in the first experimental study of the founder effect -- a long-simmering controversy in evolutionary biology -- in a natural setting. The study by UC Davis researchers and others is published in the Feb. 3 edition of the journal Science Express, the online publication of the journal Science. Credit Manuel Leal/Duke University Usage Restrictions None 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.