How many T. rex were there? Billions, it turns out
Billions of Tyrannosaurus rex roamed North America during their fascinating reign as top predators, according to a team of researchers that went about the daunting task of making the calculation.
by ·
Billions of Tyrannosaurus rex roamed North America during their fascinating reign as top predators, according to a team of researchers that went about the daunting task of making the calculation.
by · Published January 1, 1970
by · Published May 19, 2021
by · Published June 9, 2021