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Who needs a lantern when your body is a flashlight?
Certainly not the firefly, which is one of a few incredible
animals that uses bioluminescence—where a creature can
make its own light—to glow in the dark.
SCIENCE WONDERS
GLOW
IN THE
DARK
TWINKLING IN THE TREES
This may look like a fairytale forest, but it’s
actually a throng of fireflies. These ones emit
a yellow light, but other species glow green,
blue, and pale red. Large groups can flash
their lights on and off together with perfect
timing. The flashes are used for defense, to
communicate, and by males to attract females.US_080-081_Glow_in_the_dark.indd 80 12/09/2018 15:50