Sperm whales use powerful clicks to “see” the ocean around them 🐋🔊 This natural sonar- called echolocation, helps them hunt, navigate the deep sea, and communicate across miles of open water. It’s like a built-in underwater radar system. 💙 📸: mermaid.kayleigh #4ocean #spermwhale #echolocation #oceanfacts #protectwhatyoulove