TV on a Rolling Cart

A Bat in the Brownies

From Wild Kratts · 2011

A Bat in the Brownies
22 min1st2nd3rdScience
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Summary

A little brown bat escapes into the kitchen and nobody can catch it — except the brothers, who activate bat creature power and experience echolocation firsthand. They discover that bats navigate in total darkness using sound echoes and eat thousands of mosquitoes a night, making them vital to every ecosystem they live in.

Viewer safety

All ages
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Teaching resources

Discussion questions

Discussion

Bats are the only mammals capable of true flight — and most species are also the world's best insect control system.

  1. How does echolocation work? Trace the journey of a sound from the bat's mouth to back to its ears.
  2. A single little brown bat can eat 1,000 mosquitoes in an hour. Why is that important for humans and other animals?
  3. Many people are afraid of bats. After watching this episode, how would you explain to someone why bats are helpful?

Quick work-a-long

Vocabulary: echolocation, sonar, nocturnal, membrane, insectivore.

Try it: Clap once near a hard wall in a big empty room. Listen for the echo. Write down how echolocation is like that — and one way it's different.