(AFP) – Bottlenose dolphins ‘smile’ at each other during play, researchers in Italy have found. A study in the journal iScience says dolphins communicate with their playmates with an ‘open mouth’ facial expression, similar to humans smiling.
(AFP) – Bottlenose dolphins ‘smile’ at each other during play, researchers in Italy have found. A study in the journal iScience says dolphins communicate with their playmates with an ‘open mouth’ facial expression, similar to humans smiling.
