Too loud to talk? Belugas tune in to ultrasonic channels
Beluga whales are known for their rich and varied vocalizations, earning them the nickname “canaries of the sea.” But beyond the sounds that humans can hear, belugas also produce ultrasonic burst pulses — calls that consist of rapid sequences of clicks emitted in quick succession, resulting in a burst-like quality. These burst-pulse calls differ from the more melodic whistles and chirps…
https://www.raincoast.org/2025/03/too-loud-belugas-ultrasonic-channels/
