Tarbosaurus Facts
Pronunciation: TAR-bo-SORE-us
Name meaning: Alarming lizard
| Diet | Carnivore |
| Height | 3.5m |
| Length | 12m |
| Weight | 6 tonnes |
| Speed | 25 km/h |
| Environment | Land |
| Era | Cretaceous |
| Period | Late Cretaceous |
| Type | Theropod |
| Location | Mongolia And China |
Tarbosaurus was one of Asia's most formidable predators, dominating the landscapes of what is now Mongolia and China during the Late Cretaceous period, approximately 72 to 68 million years ago. This massive theropod was closely related to the famous Tyrannosaurus rex, earning it the nickname 'Asia's T. rex', though it evolved independently in the eastern part of the world.
Standing 3.5 metres tall at the hip and measuring up to 12 metres in length, Tarbosaurus was built for hunting large prey. Its skull alone could reach 1.3 metres long, packed with sharp, serrated teeth perfect for slicing through flesh and crushing bone. Unlike its American cousin, Tarbosaurus had a more slender build and narrower skull, suggesting it may have been slightly faster and more agile.
As an apex predator, Tarbosaurus hunted the duck-billed hadrosaurs and armoured ankylosaurs that roamed the river plains and forests of ancient Asia. Its powerful legs propelled it at speeds of up to 25 km/h, whilst its reduced arms - even smaller proportionally than T. rex - ended in two-fingered hands that may have helped during feeding or mating displays.
The Nemegt Formation of Mongolia has yielded dozens of Tarbosaurus specimens, including complete skulls and skeletons, making it one of the best-known large theropods. These remarkable fossils have allowed scientists to study everything from its brain structure to how its powerful jaws worked when delivering bone-crushing bites to unfortunate prey.
What made Tarbosaurus distinctive?
Tarbosaurus had a longer, narrower skull compared to T. rex, with a more streamlined appearance. Its arms were proportionally even smaller than those of its American relative, and it possessed a more slender overall build suited to its hunting lifestyle in ancient Asia.
Behaviour
Tarbosaurus was likely a solitary ambush predator that used its speed and powerful bite to take down large herbivorous dinosaurs. Evidence suggests it may have engaged in scavenging behaviour as well as active hunting, using its keen senses to locate both live prey and carrion across the Mongolian floodplains.
Tarbosaurus FAQ
What did Tarbosaurus eat?
Tarbosaurus was a carnivore that primarily hunted large herbivorous dinosaurs including duck-billed hadrosaurs, long-necked sauropods, and armoured ankylosaurs. It likely also scavenged carrion when the opportunity arose, using its powerful jaws to crush through bone and access nutritious marrow.
How big was Tarbosaurus?
Tarbosaurus was enormous, standing 3.5 metres tall at the hip and reaching lengths of up to 12 metres from nose to tail. Adult specimens weighed approximately 6 tonnes, making them amongst the largest land predators that ever lived, though slightly smaller than T. rex.
When did Tarbosaurus live?
Tarbosaurus lived during the
Late Cretaceous period, specifically during the Maastrichtian age between 72.2 and 68 million years ago. This was near the very end of the age of dinosaurs, just before the mass extinction event that ended the Mesozoic Era.
Where was Tarbosaurus found?
Tarbosaurus fossils have been discovered primarily in Mongolia, particularly in the famous Nemegt Formation in the Gobi Desert. Additional fragmentary remains have also been found in the Subashi Formation of China, showing this predator ranged across much of ancient Asia.
How do you pronounce Tarbosaurus?
Tarbosaurus is pronounced 'TAR-bo-SORE-us', with emphasis on the first syllable. The name comes from Latin and Greek words meaning 'alarming lizard', referring to its fearsome appearance as a massive predator.
What does Tarbosaurus mean?
The name Tarbosaurus means 'alarming lizard' or 'terrifying lizard'. It comes from the Greek word 'tarbos' meaning alarm or fright, combined with 'saurus' meaning lizard - a fitting name for one of Asia's most formidable prehistoric predators.
How fast could Tarbosaurus run?
Scientists estimate that Tarbosaurus could reach speeds of up to 25 km/h based on its leg bone proportions and body structure. Whilst not as fast as smaller theropods, this was impressive speed for such a massive predator and would have been sufficient to chase down most prey.
What type of dinosaur was Tarbosaurus?
Tarbosaurus was a large theropod dinosaur, specifically a member of the Tyrannosauridae family. Theropods were bipedal, primarily carnivorous dinosaurs that included all the major predators of the Mesozoic Era, from small feathered hunters to giants like Tarbosaurus.
Was Tarbosaurus related to birds?
Yes, as a theropod dinosaur, Tarbosaurus was related to modern birds, which are direct descendants of small theropod dinosaurs. However, Tarbosaurus belonged to a branch of theropods that grew to enormous sizes and remained ground-dwelling predators rather than developing flight.
How many Tarbosaurus fossils have been found?
Dozens of Tarbosaurus specimens have been discovered, including several complete skulls and skeletons. This wealth of fossil material makes Tarbosaurus one of the best-known large theropod dinosaurs, allowing scientists to study its anatomy, growth, and behaviour in remarkable detail.
