How blue whales sing and migrate

Dear Kitty. Some blog

This video says about itself:

The following is my best Blue Whale footage from 2020! All of this was filmed off the coast of San Diego, California!

From Stanford University in the USA:

Blue whales switch to daytime singing before migrating

October 1, 2020

Summary: Through the use of two advanced audio recording technologies, researchers have found that blue whales switch from nighttime to daytime singing when they are starting to migrate.

The blue whale is the largest animal on Earth. It’s also among the loudest.

“Sound is a vital mode of communication in the ocean environment, especially over long distances,” said William Oestreich, a graduate student in biology at Stanford University’s Hopkins Marine Station. “Light, or any sort of visual cue, is often not as effective in the ocean as it is on land. So many marine organisms use sound for a variety of purposes, including communicating and targeting…

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