Hippo call (AUDIO) Cell Press Your browser does not support the audio element. Caption A hippo's "wheeze honk" call Credit Nicolas Mathevon Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.