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

Scientists Estimate All-time T. Rex Population Was 2.5 Billion

T Rex Dinosaur Facts, Pictures & Info: Meet The Real Tyrannosaurus Rex

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

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

New Study Reveals Surprising Tyrannosaurus Rex Population and Lifespan

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

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

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

Tyrannosaurus rex Science Museum of Minnesota

Jurassic Park version of T-Rex didn't exist - they actually looked totally different, say scientists

How many T. rexes were there? Billions.