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Why are sloths so slow? - Kenny Coogan

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Sloths spend most of their time eating, resting, or sleeping; in fact, they descend from their treetops canopies just once a week, for a bathroom break. How are these creatures so low energy? Kenny Coogan describes the physical and behavioral adaptations that allow sloths to be so slow.

Since sloths move so slowly, algae grow on their fur. In addition to algae, sloth fur is home to beetles, cockroaches, fungi, and moths. How does a sloth’s body act as an ecosystem? What forms of symbiosis occur?

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Kenny Coogan
  • Director Anton Bogaty
  • Script Editor Eleanor Nelsen
  • Sound Designer Jarrett Farkas
  • Associate Producer Jessica Ruby
  • Content Producer Gerta Xhelo
  • Editorial Producer Alex Rosenthal
  • Narrator Addison Anderson

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