Guano That Glitters

Guano That Glitters

Some bat species can eat up to two-thirds of their body weight in insects every day. Although most other insect-eating animals only eat the inside of the insect, bats eat the entire thing. Because they ingest the iridescent exoskeletons of some insects, bat poop seems to sparkle.

01:40

Key Facts In This Video

  • 1

    Bats can eat up to 2/3 their body weight in insects daily. (0:14)

  • 2

    Birds avoid insect wings and legs, but bats eat the entire thing—including the exoskeleton. (0:35)

  • 3

    In Texas, bats save farmers about $800,000 a year by eating corn ear worms. (1:01)

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