Fewer T. rex walked the Earth than previous estimated, new study claims

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

Fossil discovery reveals teenage Tyrannosaurus rexes

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

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

Hot-blooded T. rex and cold-blooded Stegosaur

Fewer T. rex walked the Earth than previous estimated, new study claims

Fewer T. rex walked the Earth than previous estimated, new study, rex

Tyrannosaurus, Prehistoric Wiki

Tyrannosaurus rex, Prehistoric Planet Wiki

Keeping up with T. Rex was easy, Dutch researchers say

More than 2.5BILLION T-Rexes walked Earth before dinosaurs died out - and 20,000 lived at any one time

New study says 1.7 billion T-Rexes roamed the earth before going extinct

Walk, Dont Run

Meet Victoria, one of the most complete T. rex fossils in the world