Smart Sea Lions and Talking Walruses

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

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:

Ask the Expert

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

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© | Created June 2009