Fast runner

Hypsilophodon, a small, nimble herbivore, had no armour or sharp, fighting claws. One defence when in danger was to run off on its long, bird-like legs. At high speed, Hypsilophodon might have reached speeds of around 25 km/h (15 mph).

Stiff tail helped Hypsilophodon keep its balance when running fast.

Long foot bones increased leg length

Short arms had five-fingered hands.

Hypsilophodon was about 6V2 ft (2 m) iong.

Long foot bones increased leg length

Short arms had five-fingered hands.

Hypsilophodon was about 6V2 ft (2 m) iong.

These are not dinosaurs While the dinosaurs ruled the land, their reptile relatives, the pterosaurs, ruled the air above, and the ichthyosaurs and plesiosaurs ruled the oceans. Dinosaurs did not fly or live in water.

These are not dinosaurs While the dinosaurs ruled the land, their reptile relatives, the pterosaurs, ruled the air above, and the ichthyosaurs and plesiosaurs ruled the oceans. Dinosaurs did not fly or live in water.

Dinosaurs Live Water

The wings of pterosaurs, such as Pterodactylus, were made of skin stretched between the body and the long finger bones, somewhat like today's bats.

hyosaur known.

(51m) long, Shonisaurus the largest ichthyosaur known.

hyosaur known.

The wings of pterosaurs, such as Pterodactylus, were made of skin stretched between the body and the long finger bones, somewhat like today's bats.

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  • raymond
    Why are dinosaurs fast runners?
    9 years ago

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