Trex Link

: 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.

: New research suggests T. rex walked on its tiptoes, a bird-like foot function that made it an efficient walker rather than a high-speed runner. : 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 facts and photos

The "king" was both an active hunter and an opportunistic scavenger. Tyrannosaurus rex, facts and photos : Scientists originally thought T