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 ...

Carotenoids are the underlying pigment for much of the enormous variety in color found across birds and form the basis for the colors red, yellow, and orange. In a study published in Current Biology, ...

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 ...