Tarbosaurus was a carnivorous dinosaur from the Gobi Desert of southern Mongolia. Like its close North American relative, Tyrannosaurus, it was one of the last surviving dinosaurs. Although the skull of Tarbosaurus was large, it was not very heavy. This was because it was comparatively thin, and contained large air pockets. The vertebrae and ribs were hollow, as were the bones of the upper arms. Most saurischian dinosaurs had light, hollow bones, which allowed them to grow to large sizes, like Mamenchisaurus, or to be fast and agile, like Tarbosaurus. Tarbosaurus is more ancient than the T-rex, it suggests the genus could initially have appeared in Asia and then entered North America (through the land bridge connecting these continents in the Cretaceous). Tarbosaurus was a carnivore, eating anything it came across. Because of its bulkiness, it was probably a scavenger. But there is still debate, whether tyrannosaurids were active predators or scavengers. These dinosaurs were probably herding animals they could hunt for large herbivorous dinosaurs (Saurolophus etc). Tarbosaurus had sturdy and quite long legs and its fore limbs were reduced as typical of all carnosaurs. Function of their forelimbs is still not clear. Like other tyrannosaurs, it had a huge head with large cutting serrated teeth. Its brain was unbelievably tiny in comparison with its huge body.
* Tarbosaurus is a genus of tyrannosaurid theropod dinosaur that flourished in Asia about 70 - 68 million years ago, at the end of the Late Cretaceous Period.
* Size: About 40 feet (12 meters) long
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