Common bottlenose dolphin (IMAGE) Species360 Caption A common bottlenose dolphin at Planète Sauvage, France. Study authors examined 200 years' worth of data on four marine mammal species including bottlenose dolphins. Credit A. Monnier – Planète Sauvage, France Usage Restrictions Please credit photographer 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.