For humans, flashing a smile is an easy way to avoid misunderstanding. And, according to a new study, bottlenose dolphins may use a similar tactic while playing with each other. The study ...

Bottlenose dolphins “smile” at each other while playing, making open-mouth facial expressions that are similar to those used by other animals, new research suggests. These findings ...

Dolphins are extremely playful, but little is known about how they -- and other ... "smile" was perceived, the playmate smiled back 33% of the time. "Some may argue that dolphins are merely ...

For humans, flashing a smile is an easy way to avoid misunderstanding. And, according to a new study, bottlenose dolphins may use a similar tactic while playing with each other. The study ...

Dolphins living in captivity often make an open-mouth facial expression while playing with each other. Zoomarine, Italy Bottlenose dolphins “smile” at each other while playing, making open ...

The dolphins almost always use the facial expression when they are in their playmate’s field of view, and when playmates perceived a “smile ... merely mimicking each other’s open mouth ...