Why does one bird sound beautiful while another sounds harsh? A new study takes a closer look at the acoustic qualities that ...

Blackbirds have the most beautiful songs, suggests a new scientific study. But barn owls' sounds are considered the least pleasant, according to the findings. Researchers set out to discover the key ...

In a new study, more than 80 participants rated the pleasantness of vocalizations made by 123 European bird species. Researchers then looked at the acoustic qualities of the most—and least—liked songs ...