NPR's Scott Detrow speaks with Matthew Medler of the Cornell Lab of Ornithology about the best bird sounds of 2025 from their vast collection of recordings, and why their selections made the list.

Researchers conducted a global study of the factors that influence bird sounds, using more than 100,000 audio recordings from around the world. Birds make sounds to communicate, whether to find a ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. [WATCH: In the video player above a tender ...

The recording gives it away. First, a sudden plunge in altitude, then distressed bird calls before a prolonged series of ...