Provides brief descriptions of eight types of dinosaurs that lived in what is now the midwestern part of North America, and speculates on what caused dinosaurs to become extinct.
Many dinosaurs roamed the land between the Pacific Ocean and the Rockies. Discover how they lived, and learn what they had in common with today's animals.
Some of the world's dinosaurs used their large size, powerful jaws, and ferocious attacks to terrorize or fend off other creatures. Find out how these big, fierce dinosaurs ruled their prehistoric world.
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 today's animals.
Millions of years ago, a variety of dinosaurs lived in what is now part of Asia. Giant plant-eaters and all sizes of predators lived together. Investigate what dinosaurs life was like long ago.
Predators, prey, and scavengers lived millions of years ago in an area that is now Garden Park, Colorado. Find out how they survived in a land with conditions that were far different from those found there today.
Many dinosaurs from around the world had plates attached to their backs. Some of their plates were as small as a dime, while others were as large as the lid of a trash can. Learn how they used their plates to survive.
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 today's animals.
Long ago, the continent of Europe looked quite different. Many dinosaurs lived among its swamps and low hills. Discover how these creatures survived and what they had in common with today's animals.
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.
Many dinosaurs once roamed the forests, shorelines, and rocky slopes of Australia. Discover how these creatures survived and what they had in common with today's 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.
Many dinosaurs once roamed the lands of Central and South America. Discover how these creatures lived, and learn what they had in common with today's 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.
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.