Birds of a Feather - Part 2 - Blog by James Lamb
There are to date at least 21 different types of dinosaurs that are known to have had feathers. Even Velociraptor, a well-established dinosaur, appears to have had a feather coating, as a recently discovered specimen shows that it had the bumps on one of its forearm bones called “quill nodes” that indicate where feathers attach in modern birds.