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History[]
Jurassic Park[]
The Apatosaurus is the first dinosaur the endorsement team encounters in the first novel. After the visitors arrive at Isla Nublar they can see a herd of Apatosaurus down in the lagoon. Their vocalizations were like the trumpeting of an elephant.
The herd of Apatosaurus consists of 17 members. The herd lives in the lagoon, nicknamed Sauropod Swamp, side by side with Hadrosaurus and Maiasaura.
When Gerry Harding, Ellie Sattler, and Gennaro are driving through the lagoon to the settlement, a herd of Apatosaurus is standing on the road. Dr. Harding explains that smaller animals can be scared away with a recorded T. rex roar, but not Apatosaurus. He also says that Apatosaurus has a motion-based amphibian vision.[1]
Only 12 Apatosaurus are left at the end of the novel. The remaining are all killed in the napalm bombing along with the rest of the dinosaurs.
The Lost World[]
By the time of the events of The Lost World, the Apatosauruses also have regained the ability to reproduce. A herd of Apatosaurus lives in the river valley at the center of Isla Sorna.
The Apatosaurus herd lives in symbiosis with a herd of Parasaurolophus, which stays close to the Apatosaurus herd for protection. The Parasaurolophus have larger brains and therefore much better eyesight than the Apatosaurus, allowing them to spot predators much easier. According to Dr. Richard Levine, they use their large tails for defense, as shown when Sarah and Kelly are trying to catch the raptor that took the key to Arby's cage, and have long necks to balance out the long tails, leaning their head forward and therefore, do not need a large heart to pump blood to the head.
This kind of symbiosis between large and smaller herbivores did indeed existed in the dinosaur age. If this behavior was genetically determined it is understandable that this behavior evolved so rapidly on the island. However, Apatosaurus and Parasaurolophus originate from different periods.
Although, this behavior could be learned that if the Apatosaurus knew that if the Parasaurolophus made a certain call and carnivores come up, they would be able to place the two together.
There are carcasses of them near the raptor nest, which indicate they floated there after the DX-infected predators attacked them.
References[]
- ↑ Jurassic Park, page 201
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