Without voice, I send signals bright, flashing messages in the night. What am I?

Category: Animal · Difficulty: hard

Hint: Consider communication through light rather than sound

Answer

A firefly’s rhythmic glow

Explanation

Fireflies produce light patterns to attract mates or warn predators without making noise.

This is a hard animal riddle — a tricky one that takes a little thought. The answer is A firefly’s rhythmic glow.

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