Billions of T. rex likely roamed the Earth, paleontologists report

The iconic predator’s estimated abundance means the T. rex fossils we have today are exceedingly rare.

Billions of T.rex dinosaurs roamed North America, study shows

How Many Tyrannosaurus rex Individuals Ever Roamed Earth?

How many T. rexes were there? Billions.

Weird T. rex forerunner had small horns and crocodile-like snout

T. Rex Is Way Bigger Compared to Fossil Evidence Available, New

T. rex's short arms may have lowered risk of bites during feeding

Meet T.Rex's closest relative! Scientists discover the remains of

The rise and fall of the dinosaurs, by Mal Warwick

Billions' of Tyrannosaurus rexes said to have walked the Earth in

What is a T Rex?, T Rex Facts for Kids

A brief history of dinosaurs

Study Says The T-Rex Was Much Larger Than Scientists Previously