The Common Poorwill is a nocturnal bird of the nightjar family and the only bird known to go into torpor for weeks or months.

A global study by UW–Madison researchers reveals how habitat, geography, body size, and beak shape influence bird sounds.

Both beak shape and body mass are also important. In general, smaller birds generate higher frequency sounds, with larger ...

Whether you live in the city or the countryside, the constant chorus of birds is a reminder of how much wildlife there is outside your window. Although the cast of characters depends on the time of ...

Birds adapt their sounds based on habitat, latitude, and size, with smaller birds using wide frequency ranges to ensure ...