Vocal Tract (IMAGE) University of Vienna Caption With their vocal tract, it would be easy for monkeys to produce many different language sounds. Credit Copyright: Tecumseh Fitch/University of Vienna Usage Restrictions The image may only be used with appropriate caption or credit. 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.