Feather: Anatomy and Function

Feathers are a unique adaptation of birds. Feathers are made up of keratin, an insoluble protein that is also found in mammalian hair and reptilian scales.

Feather: Anatomy and Function, Bird Feathers

Types of birds feathers and their functions

Bird Feather Types, Anatomy, Molting, Growth, and Color

Feather: Anatomy and Function, Bird Feathers

Where Does the Iridescence on Bird Feathers Come From?

Analysis and comparison of protein secondary structures in the rachis of avian flight feathers [PeerJ]

Spatially modulated structural colour in bird feathers

Feather Anatomy and Function

Bird Feather Types, Anatomy, Molting, Growth, and Color

Flight feather - Wikipedia

Everything You Need To Know About Feathers

Learning About Birds: Feather Investigation