Nova. When whales could walk / produced and directed by Bella Falk ; a Nova production by Windfall Films.

A spectacular fossil graveyard reveals a 43-million-year-old whale that had four legs and could walk. Follow scientists as they search for new clues to how mammals moved from land into the sea to become the largest animals on Earth.

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Bibliographic Details
Other Authors: Falk, Bella (Director, Producer), Brown, Julia Montgomery (Narrator)
Format: Video
Language:English
Published: Arlington, VA : Public Broadcasting Service, 2024.
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