Contrary to its portrayal in Jurassic Park, the Tyrannosaurus rex probably didn’t roar. Instead, scientists believe it either hissed or rattled, like a rattlesnake.

WTF Fact #147
Contrary to its portrayal in Jurassic Park, the Tyrannosaurus rex probably didn’t roar. Instead, scientists believe it either hissed or rattled, like a rattlesnake.