At first glance, feathers may seem like simple parts of a bird’s body. But if you look closer—under a microscope or through a scientific lens—they reveal an intricate story of evolution, biology, and ...

Explore how the vulturine guinea fowl’s striking blue and white feathers serve more than beauty. From structural coloration ...

New Haven, Conn. -- Biologists testing a mathematical model of the mechanism birds use to control the growth of complex feathers found that plumed feather structures involve the coordination of at ...

Feathers are among the most complex cutaneous appendages in the animal kingdom. While their evolutionary origin has been widely debated, paleontological discoveries and developmental biology studies ...

Negative experiences during feather growth can result in fault bar formation. Fault bars are malformations perpendicular to the rachis of the feather caused by stressful experiences during feather ...