The loneliest dolphin in the world is talking to himself

He spends time apart from other members of his species and talks to himself to pass the time.

A lonely bottlenose dolphin in the Baltic Sea, with no friends, started talking to himself to keep from feeling sad, a new study has found.

The Daily Star writes about it.

The male dolphin, which the locals named Delle, puzzled scientists. Experts observed it drifting in the Svendborgsund Canal in Denmark, which is far outside the species' normal range. Bottlenose dolphins are very sociable animals and, as you know, they call each other “brand whistles”. However, Delle seems to be whistling to an audience of just one.

Scientists recently investigated the animal's unusual behavior by using underwater recorders to capture the sounds Delle made. They discovered that the lone dolphin was surprisingly loud, and his…