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. […] ...

It was a spirited debate between friends that surfaced every time we got together. It was not about politics, the economy or the weather, but the more significant question, do birds have bills or ...

A new study, using the digitized scans of beaks from over 8,700 bird species, is shedding light on how evolution changes at different scales. While the general principles of evolution by natural ...

Bird beaks come in almost every shape and size—from the straw-like beak of a hummingbird to the slicing, knife-like beak of an eagle. We have found, however, that this incredible diversity is ...

Q I watch birds eating seed from my feeders, and then they land on a branch or even the patio furniture and rub their beaks. Why do they do this? A Birds need to keep their beaks in top condition, ...

Many bird enthusiasts like to hang bright red feeders filled with homemade sugar water to attract hummingbirds to their gardens. Now, new research suggests this common practice may be driving rapid ...