The sound of birds singing is synonymous with spring. As delightful as the tweets and chirps may be, these songs are actually tied to the birds’ survival — and a combination of day length, sunlight ...

As the first light spills over the emerald canopy of India’s Western Ghats, the forest erupts in song. Birds trill, warble, and whistle in a delightful chorus that has fascinated biologists and ...

Sparrows, blackbirds and the great tit are all birds known to sing at a higher pitch (frequency) in urban environments. It was previously believed that these birds sang at higher frequencies in order ...

Not all birds sing, but those that do — some several thousand species — do it a lot. All over the world, as soon as light filters over the horizon, songbirds launch their serenades. They sing to ...

Laura Molles is so attuned to birds that she can tell where birds of some species are from just by listening to their song. She’s not a real-world Dr Doolittle. She’s an ecologist in Christchurch, New ...

If you've ever been woken up before sunrise by the chirping of birds outside your window, you may have wondered: why do birds sing so loud, so early in the morning? The cacophony is mostly males, ...

Early birds are starting to sing even earlier because of artificial light pollution—but it’s not clear if they’re actually losing sleep. The study used data from BirdWeather, a research platform using ...

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, ...

“In the spring, a young man’s fancy lightly turns to thoughts of love,” the saying goes. The same may be said of birds. That’s because spring is when most birds turn to family obligations—they mate, ...