This page contains polls dedicated to Which plant and meat-eating dinosaurs had a crest all the way down their backs?.
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The plant-eater Ouranosaurus, a close relative of the very common Iguanodon, and many similar large dinosaurs walked mostly on two legs. Ouranosaurus was different because it had a large sail-like crest down its back.

The purpose of this crest is not certain, although as this animal lived in hot regions the crest may have been used as a heat regulator.

A similar dinosaur was Spinosaurus, a typical meat-eater which had a crest 1.8 m high running down its back. It was a very large predator read more...

Tags: plant, dinosaurus

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