Feather - Wikimedia Commons

File:Pavo cristatus feather-scan.jpg - Wikimedia Commons

Category:Takanoha mon (Japanese crests of hawk feather) - Wikimedia Commons

Page 61 Cartoon Birds transparent background PNG cliparts free

File:Feather River.jpg - Wikimedia Commons

Peacock feathers. Original public domain

What Makes Hummingbird Feathers So Beautiful

Category:Yankel Feather - Wikimedia Commons

I've Always Wondered: why did mammals go the fur route, rather than developing feathers?

PDF) Sublime Symmetry: Mathematics and Art.