Feather: Anatomy and Function
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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.
![](https://study.com/cimages/multimages/16/feather_anatomy_21370804068088388565.png)
Bird Feathers, Types, Parts & Anatomy
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types of feathers – Mary Ann Steggles
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Feather Anatomy and Function
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Where Does the Iridescence on Bird Feathers Come From?
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Feather - Parts, Usage, Types, Function, Structure and Characteristics
![](https://academy.allaboutbirds.org/wp-content/uploads/Bird_Biology-feather_evolution_stages.png)
Everything You Need To Know About Feathers
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Feather, Flight, Structure, Function
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feathers – Mary Ann Steggles
![](https://www.thoughtco.com/thmb/hSIJ_1rRoIMEjjpteHzwcSw2Kz0=/1500x0/filters:no_upscale():max_bytes(150000):strip_icc()/185227788-589cfeca3df78c4758791998.jpg)
Feather: Anatomy and Function
Bird Structure and Function - Advanced