For humans, it’s a symbol of joy. For bottlenose dolphins (Tursiops truncates), they have similar “open mouth” facial ...

But the researchers have found bottlenose dolphins (Tursiops truncates) have an “open mouth” expression that they use to communicate with each other during play, much like a smile in humans.

As noted in the research paper Bubble Ring Play of Bottlenose Dolphins (Tursiops truncates): Implications for Cognition, bottlenose dolphins will playfully flip the orientation of rings ...

Leading South Australian Whale & Dolphin Conservation scientist Dr. Mike Bossley and his team have been tracking the local Indo-Pacific bottlenose dolphins (Tursiops aduncus) of the Adelaide ...

Read about different competitive relationships on the reef. The bottlenose dolphin (Tursiops truncatus) and other toothed whales are solitary predators who remotely detect prey by echolocation.