Toothed whales use sound to find their way around, detect objects, and catch fish. They can investigate their environment by making clicking sounds, and then decoding the "echoic return signal" ...

In the ocean’s abyss, deep-diving whales use echolocation to hunt in pitch dark. Emitting sounds that bounce off objects gives the whales a clear picture of their surroundings. “More often than any ...

Deep-diving toothed whales wash up dead with stomachs full of plastic and prey alike. Their built-in sonar likely can’t tell the difference. Two adult sperm whales swim side by side in Dominica. The ...

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Dolphins, pilot whales and sperm whales use echolocation clicks to hunt and subdue their prey. But the animals, known as toothed whales, also produce other sounds for social communication, like grunts ...

Scientists have captured a rare view of one of the ocean's least understood whales—without ever seeing it. By listening to the sounds beaked whales naturally produce, researchers have reconstructed a ...

Toothed whales, such as dolphins, killer whales and sperm whales communicate and catch food exclusively with sound. Now researchers have for the first time found they evolved a new sound source in ...

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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 ...

Genetic analysis finds evidence suggesting that acoustic fat bodies in the heads of toothed whales were once the muscles and bone marrow of the jaw. Genetic analysis finds evidence suggesting that ...