When a bullet took her upper beak, Beauty the bald eagle would have starved. A dedicated caregiver and 3D printing changed ...

The size and shape of a bird’s beak usually give a person an idea of what it eats and how it catches what it eats. Birds such as cardinals have strong, conical bills that crack open nuts and seeds.

An analysis of 140,000 vocalizations from 77% of bird species showed that beak size and geography play a big role in the way birds sound.

Birds captivate us with their stunning appearances and remarkable adaptations, and some species stand out for their ...

Around 45 million years ago, a 4.6-foot-tall (1.4 meters) bird called Diatryma roamed a warm, tropical swamp in what is now southern Saxony-Anhalt, Germany. This giant, flightless bird, known for its ...

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 ...