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.

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

Tyrannosaurus Rex Metal Earth

1.7 Billion T. Rexes Lived on Earth. Where Are All the Bones?

5 Most Popular Dinos That Roamed the Earth – Womple Studios

Explained: What new research tells us about the Tyrannosaurus Rex

How many T. rex ever existed? Calculation of dinosaur's abundance

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

T-Rex skeleton to go under hammer in Switzerland

T. rex teeth to headbutting dinosaurs: Fossil finds of 2023