Jurassic Park InGen Files: Tyrannosaurus rex
Age: Late Cretaceous
Diet: Carnivore (Hunter/Scavenger)
Length: Around 12 meters long when full grown.
Notes: EXTREEMLY DANGEROUS
Tyrannosaurus rex is one of the most well-known of all dinosaurs. It is no longer considered the largest of the theropods, with only Spinosaurus being ahead of it, but it is certainly the most powerful. Tyrannosaurus had very short arms with only two fingers. Although these were probably useless while hunting, its jaws were not: Tyrannosaurus has an enormous skull armed with teeth the size of steak knives. Unlike the teeth of most meat-eaters, tyrant dinosaur teeth are very thick and capable of crushing bones. The skull and neck bones show that T. rex had the largest neck muscles of any meat-eating dinosaur.
Tyrannosaurus Rex is capable of running as fast as 32 mph. They display some sexual dimorphism as adults. Males have more prominent brow ridges than females. Males also have a tendency to have visible facial scaring (probably due to battles over territory with other T. rex and carnivores or mates). Females are also lighter in colour than males, and are slightly bigger.
Males are slightly smaller than females, and are darker in colour. They also have a large throat pouch that females seem to lack. Males are typically green, while females are typically brown or grey.
Alan Grant states that the sight of Tyrannosaurus rex is based on movement, so if you don't move the animal won't see you. Dr. Grant used this knowledge to escape from the T. rex on Isla Nublar. Grant based this on papers by palaeontologist John Roxton wrote an article in which he stated that the brain of the Tyrannosaurus was very similar to that of frogs. Therefore, Roxton concluded that T. rex‘s sight was based on movement. As Grant had no expertise in brain anatomy he accepted the conclusions of the article. Supporting this theory is that the Tyrannosaur gives a loud roar to scare its prey into revealing their position by running away. The T. rex may then make the kill.
Tyrannosaurus is shown as being a protective parent. Tyrannosaurs are shown to pair off during mating, and both parents will remain with their offspring during its growth, exhibiting very powerful parenting and protective instincts, going to great lengths to ensure an infant's safety.
Tyrannosaurs are territorial by nature, and will attempt to drive away anything that might be deemed dangerous, whether animate or not. They are known to be efficient parents, with both male and female keeping close guard over infants and bringing them food for a considerable matter of months. They will ferociously defend their offspring during this stage from predators and humans, and will even travel far outside their native territories to find them if they get lost. Like most predators, they presumably teach their young how to hunt once the time comes.
Two Tyrannosaurs were present on Isla Nublar; one adult and one juvenile, although there was no interaction between them. The Tyrannosaurus had a sensitive skin, and therefore sought shelter from the sun under the canopy.
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other than that, applause!
But then again, in 2013 nobody watches Jurassic Park because of it's accurate portrayal of dinosaurs anymore.
The reason the dinosaurs in Jurassic Park had vision based on movement was because the geneticists filled the missing bits of the dinosaur genomes with the DNA of frogs – some of those genes coded for reproductive abilities in a single sex environment, and others for controlling the visual cortex. This is why the dinosaurs in Jurassic park were able to reproduce despite being all female, and it is the same reason the tyrannosaur had trouble seeing stationary animals. In the real world, tyrannosaurs could see just fine, but frogs really do have movement-based vision.
It doesn’t mean they can’t see a potential snack, simply that it does not register as anything of interest until it moves.
I tried to find a youtube video on it that I recently saw for you, but I couldn’t find it. Basically it was an experiment where they show a frog a horizontal line that looks like a worm wriggling and once they start moving the line the frog goes for it. Then they show the frog a vertical line ant doesn’t look like a crawling worm, and they can basically move/wriggle it all day and the frog won’t go for it. The researcher said you can basically throw a frog into a bucket of dead worms, and since they’re not moving – the frog will starve to death. It’s simply how their brains work.
I don’t think the sense of touch would play a big role in tracking prey, but hearing is definitely an important one, and there are also many examples from the novels and movies where the tyrannosaurs are clearly listening. A notable example would be from the first movie where Tim slams the door shut, and the tyrannosaur instantly looks down and sees them.
I'm glad you're enoying the InGen Files so far. There's more to come soon.
Thanks for the by the way...
I actually used a good source for this and the neck is quite accurate here, the only thing the may need to be made slightly shorter is the tail...
This is great!
How is that critical of this? It's a fact - Giganotosaurus is bigger that T-rex... What's your point?
I think you just wanted a segue to ask if I was going to make a Giganotosaurus InGen File. The answer is no. Giganotosaurus did not feature in any of the Jurassic park movies so far, and it hasn’t featured in any major JP Games. It was not mentioned in any of the books. Unless it features in JPIV, I will not include it in the InGen Files. I will be making a Carcharodontosaurus InGen File as it featured in JPOG.
Your second link doesn't work.
By the way Happy New Year