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Sea lions generate thrust, or forward propulsion, by bringing their fore-flippers together in big sweeping motions called “claps.”  When a sea lion “claps,” it stretches its flippers out to the sides and sweeps them down. Then it tucks its flippe
Article

How Do Sea Lions Swim?

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Two killer whales.
Article

How Drones in the Sky Unlock Secrets of the Sea

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The Charles W. Morgan tallship
Article

History and Modern Science Collide for the 38th Voyage of the Charles W. Morgan

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A beaked whale at the ocean's surface
Article

Seeing with Sound: Acoustic monitoring of beaked whales

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Scientists attached this Crittercam to a sperm whale in an effort to film a giant squid in its natural habitat.
Photo

Crittercam

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Phoenix swimming with her calf.
Article

Scientists Use Bioacoustics to Protect Marine Mammals

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Giant Pacific Manta Ray, Roca Partida Sea Mount, Revillagigedos Islands, Mexico
Article

Tagging and Tracking Animals Underwater

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Listen to what happens when researchers in a tiny boat are surrounded by huge North Atlantic Right Whales.
Audio

North Atlantic Right Whale: One Species at a Time

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Smithsonian researchers eat a meal in preparation for a fossil excavation
Slideshow

A Squalodontid Success

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