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A walrus sits on top of ice.
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One Hundred Names for Sea Ice

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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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a wet river otter face
Article

Fecal Insights: How River Otters Help Us Understand Parasites and Ecosystem Health

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a group of female elephant seals on the beach
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Northern Elephant Seals

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A humpback whale breaching in Antarctic waters.
Article

Humpback Whales in Antarctica: What Are the Whales Doing?

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Photo of a sperm whale just below the water's surface.
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Sperm Whale, Dominica

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A blue whale with a removable tag surfaces off the coast.
Slideshow

The Tons that Whales Eat...and Poop

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

At STRI, No Whales Yet, But There Are Fossil Sea Cows...

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Phoenix rises out of the waters east of Cape Cod, MA, in April 2003.
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Can Right Whales Recover?

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A right whale opens wide, revealing huge plates of baleen hanging from its upper jaw.
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Right Whale Baleen

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Two Southern Resident killer whales.
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Southern Resident Killer Whales

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A baleen plate with a drawing of a ship in paint
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Artful Baleen Plates

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