Researchers at the University of Wisconsin-Madison have conducted the first global study into the factors shaping bird ...

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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.

MEDLER: Sounds great. (SOUNDBITE OF BIRD CHIRPING) DETROW ... the behavior of the birds or mammals that you're trying to record. So don't just rush after a bird because if you do that, you ...

not just bird sounds. We are using the sounds that animals make across tropical forests but also in temperate zones to better be able to monitor biodiversity to understand how healthy forests are, ...