What was 21-feet tall, looked like a T-rex and was covered in feathers? It was the Cryolophosaurus, of course! This eccentric beast roamed the Earth during the early Jurassic Period, around 188 to 194 million years ago. Sporting a magnificent red crest on its huge snout, the oldest known member of the Tetanurae clade was as flamboyant as it was fearsome. Watch this video to learn more!