How many T. rexes were there? Billions.

How many Tyrannosaurus rexes roamed North America during the Cretaceous period? That’s a question Charles Marshall pestered his paleontologist colleagues with for years until he finally teamed up with his students to find an answer.

How Many T-Rexes Once Roamed the Earth? Maybe Billions

Researchers now have an estimate for just how many T. rex once roamed Earth

Like Godzilla, but actually real': study shows T. rex numbered 2.5 billion

Billions of T. rexes may have roamed North America - Futurity

How many T. rexes ever lived? If you think a billion, go higher

Scientists say T. Rex walked as slowly as humans

There Were Billions of T-rexes, and 9 Other Things You Never Knew About Dinosaurs

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

How many T. rexes were there? Billions.