Cicadas, however, aren't unique to Australia: the insects are found all over the world, though they're most common in tropical regions.
But humans, too, have been drawn to singing cicadas, with the insects featuring in ancient poetry and literature of different cultures for thousands of years.
As the world's loudest insects, the ear-splitting call from the males is a love song to draw their mates near.
Each species has its own unique call, and the noise can be truly deafening. For perspective, normal conversation between humans is recorded at about 60 decibels.
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