For what purpose were women known as *uguisu-jō* selected based on the bird's auditory characteristics?

Answer

To make public announcements using beautiful, warbling voices.

The *uguisu-jō* were women chosen specifically for their voices, which resembled the beautiful, warbling song of the bird, enabling them to make public announcements for political campaigns or sales.

For what purpose were women known as *uguisu-jō* selected based on the bird's auditory characteristics?
namebirdanimaltranslationUguisu