Ask Dr. Universe: Why do whales use echolocation and what is it?
Toothed whales—like dolphins and belugas—might live in the ocean, but they have some big things in common with cave-dwelling bats. They’re all mammals that live in dark places and use echolocation. That’s why I talked about your question with my friend Christine Portfors. She’s a biologist at Washington State University. Her lab keeps a colony […]