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

New research claims that the T. rex population was much lower than scientists previously estimated, claiming 1.7 billion roamed our planet.

This dinosaur last walked the earth 150 million years ago. Scientists unearthed it in Thailand. - CBS News

10 extraordinary dinosaur discoveries from 2021

As many as 2.5 billion Tyrannosaurus rexes once stalked Earth

Running not an option for Tyrannosaurus rex

Science Lab - Discover the Tyrannosaurus - Dino Safari Park

The Largest T. Rex Discovered Is Nearly 70% Larger Than Previously Believed

Nanotyrannus May Have Been Scarier Than T. Rex, And Here's Why

Billions of T. rex existed on Earth – DW – 04/16/2021

T. rex could have been 70% bigger than fossils suggest, new study shows

We've finally figured out why there were no medium-sized dinosaurs

T-Rex: Tyrannosaurus Dinosaur Facts and Information

Billions' of Tyrannosaurus rexes said to have walked the Earth in all of history - National