It is unlike the god of technology to elucidate on other disciplines, but He will do so if they impinge upon His realm.
It is a little known fact that male harpies exist. Of course, females are the most commonly seen, or, more to the point, heard. Scientists believe this is because they can produce sounds of a much higher frequency, enabling them to kill and consume more prey.
As you can see from this diagram, the perceived loudness of a sound starts an abrupt, dizzying climb around 20 kilohertz. Any shrieks or squawks at or above this frequency could be painful, indeed. Even deadly.
Scientists still do not understand the Harpy fully, as getting close enough for study can be a dicey proposition. Current theories believe the shrill sounds can also be used to increase status in all female groups, as well as their usual purpose - to deafen before the kill.
An online search shows that even social researchers are interested in the problem.
Sexual politics of the voice
An analysis of shreiking in all-female groups
They are known to congregate at lunch spots, nail salons, and cheerleading practice.
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