Over 70 years ago, Roald Dahl proposed that plants could scream in a fictional story called The Sound Machine. He suggested they could shriek — a high-pitched shriek undetectable to the human ear.

The odd sounds, from yelps to warbles and even screams, are also increasing the risk of collisions at night, say experts.

Adrielle Sigler said she heard screaming from her neighbor's house in a series of TikToks. She has since deleted most of them after police went over and decided the noise was just a chihuahua. Sigler ...