Period: The Dryosaurus lived during the late Jurassic period and in the early Cretaceous period.

Habitat: The Dryosaurus seems to have lived in western North America and Africa because fossils were found there.

Diet: The Dryosaurus was a herbivore. This means it ate only plants.

Size: The Dryosarus was 10 feet long and 4.5 feet tall.

Description: The Dryosaurus weighed about 170 pounds. The Dryosaurus had large eyes and long, thin legs with three toes each. The Dryosaurus had short arms with five fingers. The Dryosaurus also had a long neck and a stiff tail used for balance.