Who were the Tyrannosaurus Rex enemies?

Tyrannosaurus rex had a variety of very deadly enemies and had to be able to avoid or defend against them. First lets start with the obvious, other Tyrannosaurus These bouts would most likely happen over territory and food and could be quite vicious. read more

Tyrannosaurus rex forelimb bones exhibit extremely thick cortical bone, which have been interpreted as evidence that they were developed to withstand heavy loads. The biceps brachii muscle of an adult Tyrannosaurus rex was capable of lifting 199 kilograms (439 lb) by itself; other muscles such as the brachialis would work along with the biceps to make elbow flexion even more powerful. read more