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Smart Sea Lions and Talking Walruses

Smart Sea Lions and Talking Walruses

Marine mammals are wowing researchers with more than just circus tricks.

arrow How to Speak Walrus

Two experts—and two walruses—demonstrate. (Hint: Throw your whole body into it.) Watch our audio slide show—or hear walrus sounds now:

arrow Ask the Expert

Marine biologists Colleen Reichmuth and Kristy Lindemann-Biolsi answer your questions about brainy pinnipeds.