Trex

T. rex was a massive theropod that lived during the Late Cretaceous period, approximately 68 to 66 million years ago.

Tyrannosaurus rex : The "Tyrant Lizard King" The Tyrannosaurus rex remains the most iconic predator in Earth's history. Recent paleontological discoveries have dramatically shifted our understanding of this apex predator, revealing a creature that was more complex—and perhaps more bird-like—than the "monsters" depicted in 20th-century cinema. Physical Characteristics & Recent Discoveries : Scientists originally thought T

: While popularized with scaly skin, evidence of feathers on close relatives suggests they may have had patches of feathers , particularly as juveniles. Diet and Hunting Behavior : Scientists originally thought T

: Adults could reach lengths of 40–42 feet and weigh up to 8–9 tons. : Scientists originally thought T

: Scientists originally thought T. rex matured in 20 years, but new bone analysis indicates they were slow growers, not reaching full size until 35 to 40 years old.