Throughout the Mesozoic era, there were many species of small, fast-moving herbivores. Such species included Dryosaurus, Leaellynasaura, and Othnielia. Because of their small size, these creatures did not have any defense against predators. Instead, they evolved to be fast and agile, which helped them to outrun and outmaneuver most predators. I am thinking of creating my own species of this creature for my dinosaur book and they will be a common sight in the manmade ecosystem.

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