7 Interesting Tyrannosaurus Rex Facts – All about T Rex
T. rex is one of the most famous dinosaurs of all time. It was first described by Henry Fairfield Osborn in 1905, based on a skeleton found in Montana. Like all dinosaurs, it was wiped out along with the non-avian dinosaurs at the end of the Cretaceous period (65 million years ago).
The T. rex’s binomial name “Tyrannosaurus rex” means “Tyrant Lizard King”. It is also often referred to as a “tyrant lizard”, or simply as a “rex”.
The word “rex” comes from the Latin rex or rēgēs, meaning “king”. However, it was a scientific error for the specific name to have an “i” added to it; the proper Latin spelling would be tyrannosaurus. The vowel before the final “s” is long by convention, so tyrannosaurus is correct. However, this error has been repeated so many times in popular culture that today many people incorrectly believe that the species name should be spelled with an i (tyrannosaurus).
The first skeleton of Tyrannosaurus rex was found in 1902 by Barnum Brown in Montana. Since then over 50 skeletons have been found.
The T. rex was about 12 m long and 5 m tall at the hips. It was a meat-eater. It had very powerful jaws and teeth that were 25–30 cm long. It walked on two legs like a human, but was very heavy, so it could not run very fast. The T. rex lived 65 million years ago during the late Cretaceous period. There is some evidence that it may have grown to 17 meters long and weighed up to 15 tons. However, these estimates have been disputed by scientists who believe it probably did not exceed 12 meters. It was a solitary hunter, but fossils have been found with evidence of having attacked and even eaten each other. It may have hunted in packs like wolves (see also Velociraptor). It was probably warm-blooded like birds and mammals.
Some people mistakenly refer to the T. rex as a “raptor”, but the two are not related. Raptors were predators that lived in the same time period (the late Cretaceous), but they were much smaller than T. rex and not closely related to it.
There is some debate about whether Tyrannosaurus rex could run or not. Its hip structure was not built for high-speed running, and it does not appear to have had the musculature necessary for effective running. However, it had very long, powerful legs that could lift its body and part of its skeleton off of the ground (like the “high-walk” seen in some sauropod dinosaurs). So it may have been able to run but not very effectively.
There is some debate about whether T. rex was a hunter or a scavenger. Its jaws were ideal for holding onto prey but not for piercing flesh like many smaller carnivores; they looked more adapted to crushing large bones than cutting through flesh. It is possible that T. rex was a scavenger, not a hunter, and used its large size and jaws to intimidate smaller carnivores. However, studies of the teeth of T. rex show that they were worn flat as if from biting hard objects such as bone. So it may have been an active predator.
Fossilized footprints of T. rex have been found with well-preserved claw marks from another Tyrannosaurus rex in the same area, so it is likely that there was a lot of fighting among its own kind.
Where you can see Tyrannosaurus Rex on display?
You can see a real T. rex skeleton at the Field Museum of Natural History in Chicago, Illinois, USA. The museum has one of the most complete skeletons in the world and their scientists have also created new theories about what this dinosaur’s muscles looked like and how it used them. You can see this amazing skeleton in Hall 30-F where it is preserved in a mount that looks like it is walking out of a forest.
You can also see a partially reconstructed Tyrannosaurus Rex at the Royal Tyrrell Museum in Drumheller, Alberta, Canada. The Royal Tyrrell Museum specializes in fossils from Alberta and has an impressive collection including Troodon teeth which are small but are still sharp as nails. Don Henderson, the curator of palaeontology at the Royal Tyrrell Museum is an expert on Troodon and has written many scientific papers about this small dinosaur. He does not believe that Troodon was a vicious predator like T. rex but instead was a small fast hunting dinosaur that was about five feet long and weighed about 50 lbs.
If you are interested in studying dinosaurs you can also check out the National Park Service website and look at their museum page. They have museums that are located all over the United States that have displays of real fossils and skeletons. The Visitors’ Center in Mesa Verde National Park is one of these museums.
The average lifespan of Tyrannosaurus was 30 years
Dinosaur family tree research suggests Tyrannosaurus rex had a shorter life span than many scientists believed.
Using the most detailed family tree for any dinosaur species, Dr Chris Venditti from the University of Reading and Dr David Hone from Queen Mary, University of London have discovered that Tyrannosaurus rex lived for up to 30 years. This is much shorter than was previously thought. The study is part of ongoing research to create a detailed family tree describing the evolutionary relationships between all dinosaurs. So far, these show that T. rex is most closely related to the smaller, earlier species Tarbosaurus bataar.
The research published in Biology Letters is the first family tree for a species of tyrannosaur. Previous studies have only been able to draw family trees that combine different tyrannosaur species. The University of Reading team constructed the new tree by gathering data from all known Tyrannosaurus rex specimens and then statistically analysing their relationships with other dinosaurs. The study also suggests that Tyrannosaurus rex may have had a smaller brain than previously thought (around 600-700 cubic centimeters, compared with 1400cc for Velociraptor).
What did Tyrannosaurus eat?
The main food of T. rex was Apatosaurus and Allosaurus, but other kinds of dinosaurs were also eaten by T. rex.
An Apatosaurus was about 30 feet long and weighed about 6 tons; an Allosaurus was about 20 feet long and weighed 1 ton.
Tyrannosaurus lived from 65 to 100 million years ago in the Cretaceous period. It was a huge meat eater with more than 60 sharp, serrated teeth about 2 inches long. The teeth stuck out from T. rex’s mouth at all angles, which meant that the dinosaur could tear pieces off its prey easily.
T. rex also had large arms and strong hands, which were probably used to hold struggling prey while the dinosaur bit chunks out of it. The powerful jaws could crush bones easily, but T. rex’s teeth weren’t made for chewing; they were more like claws that tore at meat.
T. rex has many similarities to birds
The similarities between birds and dinosaurs can be seen in their eyes, arms, feathers, lungs and even their brains.
The eye of the T. rex and the eye of a bird are very much alike in structure. The colors vary but they are alike in their parts: for example, the cornea, pupil, iris and lens. Both have an upper eyelid and a lower eyelid to prevent dust from getting into their eyes.
The arm bones of birds and T. rex are very similar because they both act as wings to fly with as well as legs to walk with. Their arms have primary feathers that help them fly and secondary feathers that serve no purpose. They both have wings that are made of feathers which are attached to the forelimb. This is why they also have a wishbone, which is a bone that runs through the arm, and the pectoral girdle which serves as an attachment site for some of the flying muscles.
The Field Museum of Chicago paid $8 million for the famous T. rex fossil nicknamed “Sue.” Sue, the largest and most complete T. rex skeleton ever found, was discovered in South Dakota in 1990
Chicago’s science museum, the Field Museum, is well known for its many exhibits. These exhibits include the famous Sue, a Tyrannosaurus Rex that is displayed on the first floor of the museum. This dinosaur was discovered in 1990 by Sue Hendrickson and Peter Larson when they were working as scientists for a company that conducted excavations all around the world. When they went out to create new places to discover fossils and other items from the past, they had no idea that they would find something of this magnitude. After discovering it, Larson decided that he would like to reconstruct it from pieces of other dinosaurs found earlier in his work with Field Museum staff members. This process took twenty-five years and the price came out to be around $8 million. The Field Museum purchased the Tyrannosaurus Rex in 1997.
The Field Museum is a museum that takes up about three floors of real estate. The main floor is filled with various art that focuses on scientific discoveries from around the world. Many of the items are exhibits from different time periods, but there are also items that bring concepts to life, such as mummies and insects. On the second floor are very large sets of dioramas showing what dinosaurs look like at different stages in their lives.
The T. Rex had a brain twice as large as the other giant carnivores
Scientists previously had not known for certain how smart the T. Rex was, because it did not have a sophisticated enough brain for current methods of intelligence testing.
But new research shows that the dinosaur’s cerebrum was about 5 inches (12-centimeters) thick, whereas herbivores and other carnivores had brains with a thickness of 1 inch (2.5 centimeters).
The difference in size between the T. Rex and other meat-eaters is roughly equivalent to what separates humans from chimpanzees, researchers said in September in the journal Proceedings of the Royal Society B: Biological Sciences. At one end of the spectrum are animals with big brains, like humans and T. Rexes, while the other includes animals with small brains, like mice and squirrels.
“The conventional view of theropod dinosaurs was that they were smart but brutish,” University of New Mexico neuroscientist John Whitfield, lead author of the study, said in a statement. “We show that if these dinosaurs were reptiles as some say, then they had a brain almost as complex as mammals.”
Furthermore, the T. Rex appeared to have developed its brainpower more recently than scientists had thought. The researchers found evidence that the dinosaur’s cerebrum — where dolphins and primates have fast-acting centers called Brodmann areas — evolved at least 20 million years after the creature’s ancestors split from reptiles.
Research suggests that the T. rex could run at speeds of up to 20km/h
The Tyrannosaurus Rex, a dinosaur that lived during the late Cretaceous period, was one of the most ferocious predators ever to have walked the earth. Today the image of this dinosaur is familiar to everyone, and just as familiar are stories of its immense size and ferocity; it has been estimated to have been more than 40ft long and 16ft tall. But scientists who study dinosaurs are not so familiar with T. rex’s running speed – until now. A new study by an international team of researchers led by Royal Veterinary College palaeontologist William Sellers has used estimates based on a computer model to calculate a top speed for T. rex of around 20km/h, which is fast for a land-based animal of its size.
Sellers said: “A key factor in many animals’ movement is their leg muscles, and these can be estimated based on a number of factors, including measurements from fossils.
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