Some birds have a special type of feather called powder down feathers. These feathers disintegrate and form a fine keratin … Read More & Source
The post WTF Fun Fact – Powder Down Feathers appeared first on WTF Fun Facts.
Some birds have a special type of feather called powder down feathers. These feathers disintegrate and form a fine keratin … Read More & Source
The post WTF Fun Fact – Powder Down Feathers appeared first on WTF Fun Facts.