https://gizmodo.com/what-whale-bubbles-can-teach-us-about-alien-communication-2000613600
“Because of current limitations on technology, an important assumption of the search for extraterrestrial intelligence is that extraterrestrial intelligence and life will be interested in making contact and so target human receivers,” Laurance Doyle, SETI Institute scientist, said in an institute statement. “This important assumption is certainly supported by the independent evolution of curious behavior in humpback whales.”