Maiasaura Facts

Maiasaura is a large duck billed species of dinosaur that lived during the Cretaceous period in Montana about 70 million years ago. It was discovered by a paleontologists name Jack Horner who was also a advisor during the filming of the Jurassic Park movies. The discovery of Maiasaura was groundbreaking because it showed for the first time that large dinosaurs cared for and raised their young.

Since the initial discovery of Maiasaura, about 200 fossils have been found. Maiasaura was an odd looking animal, even for dinosaur standards. It was fairly large, and was about 7 meters in length. Like many duck bills, it had a flat beak and a nose which was thick. In the front of its eyes was a small spike, and the shape of its overall head is similar to modern horses.

Maiasaura was a herbivore and had few defenses against predators which wished to attack it other than its tail and herding behavior. It could walk on two legs or four. It raised its children in nests which would have between 30 to 39 eggs. Both parents would guard the nests, and the species was found primarily in North America, Asia, and Europe.

Maiasaura would have had probably hundreds of teeth in its mouth which would allow it to grind the food it ate. They lived in tropical forests, a were a member of the first family of dinosaurs to be discovered in the US during the middle of the 18th century. Like many duck-billed dinosaurs, Maiasaura was a herbivore.

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