How many 'Tyrannosaurus rex' walked the Earth?

Using the incredible wealth of fossil data and a modern ecological theory, researchers estimated population density for the extinct apex predator.

Dinosaur research: 'Tyrannosaurus rex' walked at same speed as

Fewer T. rex walked the Earth than previous estimated, new study

Tyrannosaurus Rex Footprint Discovered Next to Giant U.S. Volcano

A Juvenile Tyrannosaurus rex, or Not? A New Study Challenges an

New Study Finds T. Rex Walked at a Slow Pace of Three Miles Per

2.5 billion T. rex roamed Earth, but not all at once, study finds

How many 'Tyrannosaurus rex' walked the Earth?

The Maximum Number Of T. Rex To Ever Walk The Earth Was 1.7

How trace fossils revealed T. Rex's surprisingly sluggish top

Dinosaurs' walk the Earth in Anaheim – Orange County Register

10 extraordinary dinosaur discoveries from 2021

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