The oldest dinosaur fossils are more than 200 million years old.
Dinosaurs lived a very, very long time ago — long before there were any people.
💡 Dinosaurs — Fun Facts
Fun “Did you know?” facts about Dinosaurs — tap through 10 at a time!
Argentinosaurus was one of the biggest dinosaurs that ever lived.
This long-necked plant-eater was longer than a few school buses lined up in a row.
Stegosaurus had rows of bony plates along its back.
The plates may have helped it warm up in the sun or show off to other dinosaurs.
Some plant-eating dinosaurs swallowed stones to help grind up food.
The little stones stayed in their tummies and mashed the tough plants they ate.
Triceratops had three horns on its face and a big bony frill.
The horns and frill helped keep it safe. Its name even means "three-horned face."
Many scientists think birds are the cousins of dinosaurs.
Today's birds are related to certain dinosaurs that lived long, long ago.
Some dinosaurs were smaller than a chicken.
Not all dinosaurs were huge. A few were tiny and could fit right in your hands.