According to researchers in Austrailia, whales change their tunes like we change our fashion. I knew whales were cool :)
“We believe the song is continually changing because the males wish to be novel or slightly different to the male singing next to them," Ellen Garland, a doctoral student at the University of Queensland, said in a news release.
Other times, the whales may be picking up a tune they've heard before, sort of a sub-Pacific top 40.
“The way whales change their song can be compared to how humans follow fashion trends – someone starts a new trend, and before you know it, everyone starts wearing the same thing," Garland said.
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