The Rise and Fall of the Dinosaurs: A New History of a Lost World: The Definitive Dinosaur Encyclopedia with Stunning Illustrations, Embark on a Prehistoric Quest!

by Steve Brusatte

Paleontologists have yet to find any fossilized feathers on a T. rex skeleton, but we’re confident that it must have had some fluff because primitive tyrannosaurs—Dilong and Yutyrannus,