How Many Tyrannosaurus Rexes Ever Lived on Earth? Here's a New Clue. - The New York Times

TIL scientists estimate around 2.5 billion T. Rex lived over the species' ~127,000 generations. At any given time, around 20,000 individuals walked the earth. : r/todayilearned

Geologists Find First Clue to T. rex Gender in Bone Tissue

They Want to Break T. Rex Into 3 Species. Paleontologists Aren't Pleased. - The New York Times

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

Entire Tyrannosaurus skeleton to be auctioned for first time ever - Leicestershire Live

In All of Time, 2.5 Billion Tyrannosaurus Rexes Have Roamed Earth, Smart News

World's biggest T. rex discovered in Canada

Dinosaurs: Billions of T-Rex once roamed the Earth, scientists say

Tyrannosaurus Rex: The Once and Future King - The New York Times

Tyrannosaurus Rex: The Once and Future King - The New York Times

A Tyrannosaur Was Found Fossilized, and So Was Its Last Meal - The New York Times

Here is some things i wanna ask: : r/Paleontology

T-Rex: Tyrannosaurus Dinosaur Facts and Information

Dinosaurs - Page 7 - The New York Times

What did dinosaurs sound like?