Many birds sing during the day, but some prefer the night. Nine species are known for their nocturnal songs. The Northern Mockingbird mimics calls in North America. The Common Nightingale sings ...

For decades, a dominant theory about why birds sing at dawn — called the "dawn chorus" — has been that they can be heard farther and more clearly at that time.

So if birds sing so much in spring, it's because this season corresponds to the breeding period, and singing is their primary means of communication to attract a mate, defend territory and assert ...

The study’s conclusion is clear: birds sing early because they have something to say at that time, not just because it’s easier to be heard. Still, many mysteries remain.

New research helps explaing why birds sing more at dawn. Scientists from the Cornell Lab of Ornithology’s K. Lisa Yang Center for Conservation Bioacoustics and Project Dhvani in India finds that ...

Researchers have some new evidence about what makes birds make so much noise early in the morning, and it's not for some of the reasons they previously thought. For decades, a dominant theory about ...

For decades, a dominant theory about why birds sing at dawn — called the "dawn chorus" — has been that they can be heard farther and more clearly at that time.

Researchers have some new evidence about what makes birds make so much noise early in the morning, and it's not for some of the reasons they previously thought. For decades, a dominant theory about ...