Sperm Whales Make One of the Loudest Sounds of Any Mammal, and Scientists Still Don’t Fully Know Why

Sperm whales are loud. One particular sound they make is considered one of the loudest mammal-made communication sounds on Earth. Why they make this particular sound isn’t fully understood, but one theory suggests the whales are basically peacocking, being loud and obnoxious as a way to stand out and attract a mate. Or maybe it’s…