Many dinosaurs once roamed the lands of Central and South America. Discover how these creatures lived, and learn what they had in common with todayÕs animals.

Toward the end of the Age of Dinosaurs, some of the meat-eating dinosaurs became birdlike. They were covered in feathers. Learn how these dinosaurs lived and compare them to modern-day animals.

Some armored dinosaurs were larger than elephants. They were covered with plates and spikes and had heavy, clubbed tails. Find out how the armored dinosaurs fought off the big, meat-eating dinosaurs.

Some plant-eating dinosaurs developed a bill similar to a duck's. But unlike ducks, the dinosaurs also had hundreds of little teeth. Find out how the duckbilled dinosaurs survived among predators.

From armored plant-eaters to fierce meat-eaters, many dinosaurs roamed the land that is now the continent of North America. Discover how they lived and what they had in common with todayÕs animals.

Some plant-eating dinosaurs of the world had sharp horns and armored neck plates. Learn how these dinosaurs used horns and armor to defend themselves from attack or to scare away predators.

From a tiny feathered creature to a giant hunter, many dinosaurs roamed the land that is now the continent of Asia. Discover how they lived and what they had in common with todayÕs animals.