Record the sound of every bird species in the country. The mission is not frivolous, though. Many of the birds may soon be extinct.

Birds are vital to ecosystems. Experts sound alarm over concerning trend among the world's migratory birds: 'A noticeable ...

Scientists recorded and analyzed bird sounds using AI in Sierra Nevada forests. Their research helps in wildlife protection.

These boldly colored migratory birds spend the colder months in the southern United States and begin returning to Michigan in ...

The early birds of February and March tend to be short distant migrants, or at least species with populations that winter ...

Other birds, of course, are singing in March, for example, the American robin, but it seems they are more often vocal at dawn ...