Humpback Whales Create Nearly 40 Bubble Rings Directed at Boats and Swimmers: A Possible Interspecies Signal in WhaleSETI
To the point
Researchers from the SETI Institute and UC Davis, including Laurance Doyle, Fred Sharpe, and Jodi Frediani, report that humpback whales generate large bubble rings directed at boats and swimmers during friendly interactions, possibly serving as an interspecies communication signal that could inform the search for intelligent life beyond Earth, though the conclusions remain provisional.
