David Mellinger, a marine mammal bio-acoustician at Oregon State University, said that, whatever the reason, the finding “is astonishing.” It recalled to him the first time he heard a blue whale sing.
He was on a boat, using headphones, and one passed. “It was a defining moment in my life,” he said. “It made a visceral impression on me. Just this huge animal. I could hear the hugeness of it.”
From the LA Times