They use sound to communicate and they use sound to find food, that's why sound is important to beluga whales.
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Whales use sound waves to talk to other whales in their own language
by vibrating water
bats dolphins whales
They use ultrasonic. The sound they use to locate objects that may be invisible.
Abiotic factors (non living) that whales use include oxygen, water, sunlight and vibrations (sound waves).
Whales and dolphins use biosonar for communication and also for navigation .
they use underwater echo sound location!
To find food, whales (and dolphins) use echolocation, which uses sound waves to locate krill or fish. they filter krill out of the water
SOund NAvigation and Ranging = SONARMost familiar to the general public from its use by military vessels, whales, and bats.
It's called echolocation or ''Clicking" language.