Tyrannosaurus rex lived primarily in North America (or what would come to be North America) during the Cretaceous. The Cretaceous is referred to as being a particularly warm climate with the occasional snowfall in the higher latitudes. read more
Therefore, if the Tyrannosaurus was one of those living in Mexico or the southern States of the time, it would be a tropical climate with several inland bodies of water. If it was north of present-day Washington state, however, it would probably be in a frigid environment, with vast swathes of the land covered in snow. read more
The biggest and most popular dinosaur species apparently lived at this time, ranging from the big predators like Tyrannosaurus and Albertosaurus, to the various duckbills like Lambeosaurus, and herd dinosaurs like Triceratops. The continents at this time became recognizeable as the ones existing today, and their climates were quite different. read more
Scientists have recently discovered a hip bone belonging to an ancestor of Tyrannosaurus rex. They found it at Dinosaur Cove in Victoria, Australia. This amazing discovery leads them to believe that the Tyrannosaurs may have lived all over the world - and that more Tyrannosaurus remains or skeletons may be discovered in Africa, South America and India. read more