Dryosaurus altus

  • Pronounced:  DRY - oh - sore - us

  • Diet:  Herbivore (Plant-Eater)

  • Name Means:  "oak lizard"

  • Length:  10 feet (3 m)

  • Height:  5 feet (1.5 m)

  • Weight:  175 lbs. (80 kilos)

  • Time:  Late Jurassic - 150 MYA

Fossil remains for this Dinosaur have been found in Western United States

Far different from the common view of dinosaurs, Dryosaurus had excellent eyesight and was small, fast, and agile. A graceful animal, its only means of defense was greater speed than that of predators. It also may have lived in herds, which would have provided it with early warning signs when danger approached. It is quite likely to have had nesting behavior and that it took care of the hatchlings.

Dryosaurus had large eyes, a hard horny beak, long thin legs, and a stiffened tail to provide balance. It appears to have been closely related to the Hypsilophodon  ids - small agile dinosaurs. The fact that Dryosaurus has some Iguanodon  id features lead to confusion in placing it in the family tree.

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