New research claims that the T. rex population was much lower than scientists previously estimated, claiming 1.7 billion roamed our planet.
Fewer T. rex walked the Earth than previous estimated, new study, rex
Total T. Rex Population During Species' Existence Was 2.5 Billion
Fewer T. rex walked the Earth than previous estimated, new study, rex
Researchers now have an estimate for just how many T. rex once roamed Earth
What is the evidence for and against the claim that T-Rexes were scavengers? - Quora
Fewer T. rex walked the Earth than previous estimated, new study, rex
Tiny tyrannosaurs are separate species, not baby T. rexes, says study
T-Rex: Tyrannosaurus Dinosaur Facts and Information
Tyrannosaurus rex, Prehistoric Planet Wiki
New Study Finds T. Rex Walked at a Slow Pace of Three Miles Per Hour, Smart News
Walk the dinosaur: New biomechanical model shows Tyrannosaurus rex in a swinging gait
Tyrannosaurus rex, Prehistoric Planet Wiki