Whale song is restricted to a narrow frequency that overlaps with the noise produced by ships. "Sound is absolutely crucial for their survival, because it's the only way they can find each other ...

Cultural 'revolution' events cause the whales to discard the song and learn a new simpler one Populations of male humpback whales undergo a "cultural revolution" every few years when they change ...

Acoustician and lead study author Dr Salvatore Cerchio said “the sei whale songs are simply the most bizarre and unusual sounds I have ever heard from a whale. They are entirely other worldly.” ...