Several weeks ago, I wrote about the importance of bird tails. Then I realized how birds’ beaks or bills, as well as their feet, are also used in various ways. […] ...

Over the years, scientists have learned about literally thousands of different bird species, and each one sports a distinctive beak shape. But why do bird beaks come in so many different shapes and ...

Look at a bird’s beak to see what family the bird belongs to and the kind of food it eats. Seeing a bird with a long, needlelike beak would tell us it’s in the hummingbird family that probes flowers ...

A 67-million-year-old bird skull has overturned an established theory about how modern birds evolved. Unlike most modern birds, the flightless group that includes ostriches and emus can’t move their ...