Why are some animals so slow?

Why are certain animals—like tortoises—so slow?

Why Are Tortoises Slow? - Big Questions (Ep.6)


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Key Facts In This Video

  1. Leatherback Turtles, a species of sea turtle, can travel up to 22 miles per hour. 00:18

  2. A tortoise's shell is one of the main reasons for its slow speed. 01:16

  3. Moving slow helps tortoises from injuring themselves. 01:37