Nature's Great Race

Clues to the Zebra Odyssey

Clip: Episode 3 | 1m 50s | Video has closed captioning.

Scientists search for clues to the origin of the zebras' urge to migrate. With lifespans of just 15 years, signs point to a genetic urge, rather than a taught behavior.

Aired: 07/26/17

Rating: TV-PG

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Problems Playing Video? | Closed Captioning