Discoveries about evolution have long been intertwined with bird beaks. The huge variety of beak shapes among finches in the Galapagos Islands became emblematic of Charles Darwin’s theory of natural ...

A bird beak is the most important resource it has, and every species has one solely designed for survival. Birds use beaks for just about everything: building nests, feeding their young, cleaning ...

A new study details the evolutionary change of Anna's Hummingbirds, finding their beaks have grown longer and more tapered to get the most from... Backyard feeders changed the shape of hummingbird ...

We get captivated by a bird’s plumage and may not think to notice its beak, which is critical to the bird’s identity. I’ve often heard people yell “flamingo!” when they see a pink-plumed bird feeding ...

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 ...