Quotes About Keratin

Rhino horns, which are made of keratin

Feathers are among the most complex structural organs found in nature. Nothing of comparable dimension is stronger. They are made of keratin, the same as a human's fingernails, a horse's hooves, and a rhino's horn—but the keratin in feathers, due to a difference in molecular structure, is even tougher.

Keratin can be very colorful, as we see in birds. We'd expect dinosaurs to be very colorful because they basically invented the characteristics we see in birds.