A humpback whale mother-calf pair in Western Australia's Exmouth Gulf. | Fredrik Christiansen

Recordings Show Baby Humpback Whales ‘Whispering’ to Avoid Killer Whales

Audio obtained from tags directly attached to the whales suggest that calves and mothers intentionally speak softly in case orcas pose a threat.

Published On 04/25/2017
11:16 PM EDT
Recordings by Simone Videsen et al.
Humpback whale calf wearing a data tag. | Line Hermannsen
Fredrik Christiansen