Lonely dolphin 'talks to itself,' scientists offer two theories
Lonely dolphin 'talks to itself,' scientists offer two theories

A study published in the journal Bioacoustics in October reveals that researchers have discovered a solitary dolphin in the Baltic Sea that seems to be talking to itself. The lone bottlenose dolphin, called Delle by locals, has been spotted in the Svendborgsund channel, south of Funen Island in...