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.


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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