MEDLER: Sounds great. (SOUNDBITE OF BIRD CHIRPING) DETROW ... you know, billions of baby birds born every year, it's pretty rare to actually hear them singing in the wild, and it's even rarer ...

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.