New research claims that the T. rex population was much lower than scientists previously estimated, claiming 1.7 billion roamed our planet.
More than 2.5BILLION T-Rexes walked Earth before dinosaurs died out - and 20,000 lived at any one time
Reinventing the Dinosaur
2.5 billion T. rex roamed Earth, but not all at once, study finds
T-Rex Couldn't Run—Doing So Would've Broken Its Legs
How to Outrun a Dinosaur
Tyrannosaurus rex sale prompts roar of anger from scientists
Dinosaurs Lived on a Scorching Planet, So Why Can't Humans? – The Wire Science
Total T. Rex Population During Species' Existence Was 2.5 Billion
Fewer T. rex walked the Earth than previous estimated, new study, rex
Dinosaurs lived on a scorching planet — why can't humans? – DW – 05/05/2023
Canadian dinosaur named 'Scotty' named world's biggest T. rex
Tyrannosaurus rex Smithsonian Institution
What are some cool facts about the t-Rex : r/Dinosaurs