Indo-Pacific Humpback Dolphin (IMAGE) Wildlife Conservation Society Caption An adult humpback dolphin displays its characteristic pink coloration. Credit Rubaiyat Mowgli Mansur/WCS-Bangladesh. 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.