Search Results for: Whalebone hooves
the epidermis (outer skin layer) from a protein called keratin . these fibrous structural proteins form the hard, but non-mineralized structures found in bird feathers, beaks, and claws, as well as reptilian claws, shells, and scales, and mammalian hair (including wool), nails, claws, horns, and hooves
the epidermis (outer skin layer) from a protein called keratin . these fibrous structural proteins form the hard, but non-mineralized structures found in bird feathers, beaks, and claws, as well as reptilian claws, shells, and scales, and mammalian hair (including wool), nails, claws, horns, and hooves...
https://www.newworldencyclopedia.org/entry/Bird