Are humpback whale groups sharing their songs?

For this episode we speak with Jim Darling, a marine biologist whose team found that the songs of different humpback whale groups can be so similar to each other that the conventional wisdom of these being distinct groups might be wrong. These whales may be sharing and singing each others' songs across groups and regions, he thinks.

Darling joins the show to play recordings of these remarkably similar humpback whale songs and discuss the implications.

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