A study found that only a small percentage of bird beak shape variation is dependent on diet, with other factors like display and nest construction probably playing parts too. The shape of the beaks ...

A comparison of beak developmental programs and eventual beak shapes reveals a high degree of flexibility in their relationship. Darwin's finches (Geospiza, bottom left) and the Lesser Antillean ...

How birds' beaks evolved characteristic shapes to eat different food is a classic example of evolution by natural selection. However, new research from the Universities of Bristol, Sheffield, Madrid ...

Birds of prey have long been regarded as a very powerful species, but they have one possible constraint: their beaks. Bird species have played a huge role in the development of the theory of evolution ...

From their feathers to feet, learn more about the major features of bird anatomy and what makes these fascinating animals so ...

Bird beaks come in almost every shape and size, but what determines the form they will take? Just how exactly can they be so different from one another? According to a new study, a hidden mathematical ...

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 ...

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 ...

(CNN) — Dark-eyed junco songbirds have been serenading the University of California, Los Angeles campus for decades as they forage for food. The species from the sparrow family is not usually found in ...