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

Birds' bodies are changing and so are their songs. Over the last 70 years, birds worldwide have been noticeably shrinking in mass or expanding in wing length. Many scientists believe this to be a ...

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The superb lyrebird of southeastern Australia has built a reputation as one of the animal kingdom’s most versatile sound ...

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.

Birds are the master vocalists of the animal kingdom. They can make a remarkable variety of sounds. But why is a barred owl more of a baritone, while a cedar waxwing is a soprano? And what influences ...

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When birds sleep, what are they dreaming about? Researchers from the University of Buenos Aires have figured out a way to tap into bird dreams. When a bird slumbers, its voice box, called the syrinx, ...