How many T. rexes were there? Billions.

Over approximately 2.5 million years, North America likely hosted 2.5 billion Tyrannosaurus rexes, a minuscule proportion of which have been dug up and studied by paleontologists, according to a UC Berkeley study. (Image by Julius Csotonyi , courtesy

New study estimates shocking number of T. rexes in Earth's history

About 2.5 billion T. Rex roamed Earth but not at once

T. Rex Wasn't All Brawn. It Had a Brain Comparable to a Primate

How many T. rexes were there? Billions., rex

There were Billions of T-Rex terrorizing Earth

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

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

How many T. rexes were there? Billions.

Absolute abundance and preservation rate of Tyrannosaurus rex

Billions of T.rex dinosaurs roamed North America, study shows

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

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

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

Research Reveals 2.5 Billion T. Rexes Once Inhabited Earth

Tyrannosaurus rex may have been three separate species, say scientists

Dinosaurs: New research finds T.rex had lips - BBC Newsround

Feathered T-Rex Toy, Dinosaur Toys

Tyrannosaurus rex had lips covering teeth, study finds – DW – 03/31/2023

Bumbu Wooden Dinosaur Toy - Big T-Rex