The Maximum Number Of T. Rex To Ever Walk The Earth Was 1.7 Billion
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4.8(578)
That's 800 million fewer than a previous estimate suggested.
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Total T. Rex Population During Species' Existence Was 2.5 Billion
If dinosaurs didn't go extinct, would Tyrannosaurus, Spinosaurus
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New study says 1.7 billion T-Rexes roamed the earth before going
Insufficient Evidence To Support Trio Of T. Rex Species Theory
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Dinosaur Census! Estimated 1.7 Billion T. Rexes Walked the Earth
New research bites into old Jurassic era T-rex population estimates
New research bites into old Jurassic era T-rex population estimates
