<i>Ameerega bilinguis</i> Calls (IMAGE) National Evolutionary Synthesis Center (NESCent) Caption Brightly colored species such as the Ameerega bilinguis are likely to make loud elaborate calls because they are already established as unsavory prey. Credit Juan C. Santos 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.