S1 E3: Clues to the Zebra Odyssey

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: 7/26/2017 | 0:01:50
You may also like
  • Diorama
  • Ozone Hole: How We Saved the Planet
  • NOVA
  • Gorongosa Park
  • Rivers of Life
©2020 WNET All Rights Reserved.   825 Eighth Avenue, New York, NY 10019