Baby Dinosaur Named Andrew Reveals How Sauropods Grew So Big Eating Plants

(Inside Science) — Sauropods were the largest animals that ever lived on land. These plant-eating dinosaurs could reach 120 feet in length, and yet their heads were small enough that you could hold its skull in your arms. Despite a robust overall fossil record, until now scientists had only about 12 sauropod skulls from which to build an understanding of how these creatures lived.