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Apr 4, 2013 · Jurassic Park is the best film portrayal of a Tyrannosaurus rex to date, experts say.But was the real T. rex—a fossilized skeleton of the dinosaur is shown here in silhouette—more terrifying ...
- Riley Black
- Overview
- Characteristics
- Movies
- Jurassic Park Institute
(meaning "tyrant lizard") is an extinct genus of tyrannosaurid theropod dinosaur that lived in North America during the Late Cretaceous period around 73-66 million years ago. The genus includes two valid species; Tyrannosaurus rex and Tyrannosaurus mcraeensis. However, two additional species, Tyrannosaurus imperator and Tyrannosaurus regina, have been proposed, though paleontologists near-universally agree upon their invalidity. Tyrannosaurus rex is one of the contenders for the largest theropod, with the largest specimens reaching lengths of up to 43 feet (13.1 meters), growing to stand 13 feet (4 meters) tall, and weighing up to 24,000 pounds (11,000 kilograms). However, recent studies have speculated that T. rex could have grown larger than previously thought. Since its description in 1905, T. rex has become one of, if not the number one, most famous and well-studied dinosaur in the world.
Young Tyrannosaurus were possibly covered in feathers and more agile than their parents. The presence of feathers on adults has been heavily debated. In 2012 the Tyrannosauroid Yutyrannus huali was discovered which lead many scientists to believe Tyrannosaurus itself covered in feathers. However later inspection of skin impressions showed that Tyrannosaurus was mostly, if not completely, scaly. Even if it did have feathers, the coat would have been extremely thin as such a large animal would overheat with too thick of a coat.
coexisted with many well-known Late Cretaceous animals such as Edmontosaurus, Triceratops, Ankylosaurus, Torosaurus, Ornithomimus, Quetzalcoatlus, Pachycephalosaurus, Alamosaurus, and the enigmatic Nanotyrannus (which could either be a juvenile Tyrannosaurus or a separate genus). It was the apex predator in its environment, acting as both a predator and a scavenger. It had a good sense of smell, hypersensitive hearing, and - despite the common misconception - excellent eyesight (comparable to a bird of prey) with thermal vision to help it track down and target prey, even at night. T. rex could reach speeds up to 15-25 mph. However, it was incapable of maintaining such speeds for long distances. Therefore, it employed ambush tactics to attack and take down its prey. The tail of T. rex was around 20 feet long and it is attached by the muscle to the thigh bones which acts as a counterbalance and a steering device to help them make quick turns.
Studies on T. rex's brain also suggest it was quite intelligent, being on par with that of baboons. The function of its small, yet powerful, arms are unknown, but it is theorized they helped T. rex grasp struggling prey or female T. rex during mating, or to push off the ground when standing up. The inner ear structures of T. rex, which is similar to that of birds, are sensitive and capable of picking up low-frequency sounds. Tyrannosaurus may have been cannibals. T. rex also possessed a robust jaw filled with large, robust teeth, which gave it a bone-crushing bite capable of breaking bone. The injuries of Tyrannosaurus look bad, but were healed very quickly similar to crocodilians. It is revealed that the population of T. rex was 2.5 billion. A 2023 study revealed that Tyrannosaurus had lips like Komodo dragons. The vertebrae of Tyrannosaurus had a hollow structure that would've helped them float in the water. On April 29, 2024, it was theorized that the intelligence of Tyrannosaurus was closer to crocodiles rather than primates.
Unlike the originals, the T. rex clones have been known to see only movement due to the mixture of frog DNA. Like all of InGen's theropods, the T. rex clones have pronated wrists, although this was modified slightly for Jurassic World: Dominion. These clones run between 32 miles per hour instead of 25. The clones have their upper teeth exposed out ...
Past
During the Late Cretaceous period, a feathered Tyrannosaurus fought a Giganotosaurus, but was swiftly killed in the battle. Immediately after its death, a mosquito fed off the body's blood, which would later be used in InGen's cloning of the species.
Creation
Seven Tyrannosaurus rex were cloned by InGen scientists in their compound on Isla Sorna, circa 1990. One Tyrannosaurus, according to JurassicWorld.com, had lived on Isla Nublar for over 25 years, born in 1988. This means that it would have been 5 years of age at the time of the Jurassic Park Incident.
Jurassic Park
The skeleton of a Tyrannosaurus rex was displayed in the center of the Visitor Center along with the one of an Alamosaurus. A female T. rex (named Rexy by fans) was also displayed in the Tyrannosaur Paddock, but failed to show up to the guests, even when a goat was brought out to feed her. When Dennis Nedry disabled the park's security, the T. rex (after finally eating the goat) escaped and attacked the people. She ate Donald Gennaro and pushed Alan and the kids off a edge with the car, though they survived. As Robert Muldoon and Ellie were in the Tyrannosaur Paddock investigating the whereabouts of the survivors and had found Ian, the same T. rex attacked the search party. Muldoon and Ellie had heard the T. rex roar several times before during the search and just before her ambush, Ian heard her footsteps. The T. rex attacked suddenly, without warning, crashing through a line of trees where she began chasing them through a tree lined corridor. After a very close chase, she was unsuccessful in catching them and so finally gave up, letting the trio escape to the Visitor Center. The next day, Rexy chases a herd of Gallimimus and kills one before eating part of it. Later, she breaks into the Visitor Center and kills a raptor and The Big One, smashing the Tyrannosaurus skeleton in the process. She roars as the "When Dinosaurs Ruled The Earth" banner falls to the ground.
There are several entries in the glossary of the Jurassic Park Institute that refer to Tyrannosaurus. There is an entry for both Tyrannosaurus rex and Tyrannosaurus bataar, which is also known as Tarbosaurus. There is also a third entry which was named Dinotyrannus, which is synonomous to Tyrannosaurus rex.
Jul 6, 2016 · 56. Pretty straightforward: Was the Tyrannosaurus we see at the end of Jurassic World the same one from the original Jurassic Park film? We know the T-Rex could breed because in The Lost World we see two parents and a baby. However that was on Isla Sorna, not Isla Nublar. So as the question asks, was there any evidence that the original ...
Mar 13, 2019 · A baby T. rex had a more than 60% chance of succumbing to predators, disease, accidents, or starvation during its first year of life. T. rex had a fairly short lifespan by human standards. No ...
- Henry Blodget
Jun 14, 2022 · T-Rex's In The Lost World & Jurassic Park III. 1997's The Lost World: Jurassic Park and 2001's Jurassic Park III were set on Isla Sorna, the location where John Hammond and InGen actually bred their dinosaurs. The Lost World established that there are actually eight Tyrannosaurus rexes that were bred and lived in the wild on Isla Sorna AKA Site ...
- John Orquiola
- Senior Editor-Star Trek
Rexy is without a doubt a household name amongst hundreds of millions of families across the globe. From her star stand out appearance in 1993's Jurassic Par...
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Jun 22, 2018 · The Velociraptor is one of the dinosaurs that the movie depicts as larger than it would have been in real life. (Carrano says it should be just about three feet tall.). Ankylosaurus is depicted ...
