Endangered Right Whale 'Whoop' Up-call (VIDEO) Florida Atlantic University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption The endangered North Atlantic Right Whale communicate with each other using an “up-call,” which is a short chirp or “whoop” that lasts about two seconds. Credit Credit: Florida Atlantic University Usage Restrictions Credit: Florida Atlantic University License Original 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.