Bottlenose

Bottlenose dolphins 'smile' at each other while playing

Bottlenose dolphins “smile” at each other while playing - EurekAlert

Bottlenose dolphins “smile” at each other while playing - EurekAlert

Bottlenose dolphins can sense electric fields, study shows

Bottlenose dolphins have a seventh sense: They can feel electricity

Bottlenose dolphins’ electric super sense could help them navigate the globe

Bottlenose dolphins can sense electric fields with their snouts