Bearded Seal (IMAGE) Wildlife Conservation Society Caption A bearded seal, one of the most vocal of pinnepeds; the male animals emit a distinctive descending "trill" call. Credit NOAA Fisheries Usage Restrictions One-time usage only. 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.