Advert Experts have come out to share that they believe the male dolphin may have been lonely or sexually frustrated. The ...

You can tell a lot from a smile. For humans, it’s a symbol of joy. For bottlenose dolphins, they have similar “open mouth” facial expressions to convey playful intentions.

These incredible mammals are far smarter than we thought—dolphins indulge in recreational substances, communicate with ...

Findings on bottlenose dolphins show how playful behavior and open-mouth displays evolved, enhancing understanding of social ...

A new study reveals that dolphins may 'smile' while playing, showing their emotions and social behaviors. Researchers ...

Researchers still don't know what the open-mouth facial expression means or whether it's akin to smiling in humans—but ...

Scientists widely believe this behavior derives from a modified biting action without the actual contact, the study said. The researchers in the latest study found that 92% of the instances when ...

All the dolphins observed for this study are living in captivity. Hill noted that the “smiling” behavior probably occurs in the wild too, but perhaps less frequently, as they are spending more ...

Playful visuals help with communication among dolphins, especially during play time, according to researchers. This is not unlike human behavior. "We've uncovered the presence of a distinct facial ...