Image 2 (IMAGE) Florida Museum of Natural History Caption 20 million years ago, Panama was filled with a dream-like menagerie of animals that had evolved separately from their relatives in South America. Credit Florida Museum illustration by Danielle Byerley Usage Restrictions Credit must be given to the creator. License CC BY 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.