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History[]

Jurassic Park[]

Maiasaura was one of the dinosaurs cloned by InGen in the first novel. The herd of Maiasaura in the park consisted of 22 individuals though the expected population was supposed to be 21. They lived in a paddock called Sauropod Swamp alongside Apatosaurus, Hadrosaurus, and Microceratops. Since frog DNA was used to clone them, the Maiasaura were one of the few dinosaurs in the park that could breed. Reproduction was observed among the Maiasaura though only one youngster was successfully hatched in the wild. This is likely due to the Velociraptors and Procompsognathus sneaking into the paddock during the night and devouring eggs and newly hatched babies. A Maiasaura and her youngster later awakens Alan Grant and the kids while feeding from the tree they were sleeping in. While observing the Maiasaura, Grant realizes that it's vision is based on movement. When Lex begins to climb down the tree, the Maiasaura becomes frightened and walks away from the tree along with her youngster. After being preyed upon by the Tyrannosaurus and the Velociraptors, only 20 Maiasaura are left at the end of the novel. All of them are later killed during the napalm bombing of Isla Nublar.

The Lost World[]

The Maiasaura have their nesting side on the east side of Isla Sorna. Lewis Dodgson, Howard King and George Baselton steal two Maiasaura eggs by frightening the parents with loudspeakers. But when Dodgson's car stands unarmed in the InGen Village the parents attack the car, viciously ripping it apart, and then carefully taking their eggs back. The Maiasaura nesting site had 4 to 5 low earthen mounds which were 7 feet wide, 3 feet deep, and covered in grasses to help regulate the temperature of the eggs. The eggs are described as pale white ovals that are 2 feet in length, about twice the size of an ostrich egg or the size of a small beach ball. The newborn babies are pale brown, almost white, barely a foot in length, and have folds of wrinkled flesh around their neck. The 20 or so adults are described as being 30 feet long, 10–15 feet high, brown and beige-colored, and having a loud honking call that was reminiscent of the honking of geese. They had large heads that ended in a broad curving, flattened snout, like the bill of a duck, and had the docile manner of a cow, that is, until its young was endangered. Later, the parents tracked where the jeep was, smashed the top open and pulled out one of the hatching infants.

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