Humpback whale babies don't shout for their moms' consideration — they whisper.
Analysts who tuned in on correspondences between humpback whale moms and their calves trust they recorded what sums to a whale whisper. Utilizing separable acoustic labels, the analysts took after eight calves and two moms for 48 hours each as they swam close to their rearing grounds off Australia's drift, and say this is the first run through such vocalizations have been recorded in this way/italianska.