Not so simple ...

Specimen "Sue", Field Museum of Natural History, Chicago (with some bones reconstructed)

T Rex was an 8 ton version of an Ostrich and moved like one. Agile, precise and not lumbering
as seen in movies like Jurassic park. As proof ...

A new study provides new information about Tyrannosaurus rex locomotion and gait. The researchers postulate that T. rex struck the ground with its toes first.  The Everything Dinosaur Evolution Tyrannosaurus rex display base features three-toed theropod prints that have been modelled based on real tyrannosaur tracks.
Picture credit: Everything Dinosaur.

Not only that but Theropods and non-avian dinosaurs communicated like birds because after all,
the environment in which they lived was complex and dangerous to the nth degree and sophisticated communication among species was an absolute requirement in order to survive.

Forget the Roars: This Exceptional Fossil Reveals Dinosaurs
Communicated More Like Birds Than Movie Monsters

Scientists have recently discovered evidence suggesting that some dinosaurs
communicated in the same way as modern birds.

The skull of Pulaosaurus qinglongin left lateral view. Image credit: Hailong Zhang/PeerJ, 2025

Picture a dinosaur opening its mouth. What sound comes out? For decades, film and television answered with a guttural roar, a noise borrowed from lions and scaled up for monsters. A fossil pulled from rust-colored sandstone in northern China tells a quieter story, one written in throat bones smaller than a finger joint.

The animal was no giant. Pulaosaurus qinglong stretched about 72 centimeters from snout to tail, a two-legged herbivore that scurried through Jurassic forests 163 million years ago. But inside its throat sat something paleontologists had seen only once before in a non-avian dinosaur: an ossified larynx, the bony framework of a voice box, preserved clearly enough to reveal how the creature made sound.

Researchers named the species after Qinglong County and after Pulao, a dragon from Chinese mythology known for its thunderous voice. The choice fits with quiet irony. A creature named for deafening sound probably made none. Instead, it called through the forest in frequencies that might have carried between individuals without broadcasting danger to every predator within earshot.

Seems Jurassic Park needs to revisit how T Rex and company communicated without question. :)

Montage of two species within the bird genus Struthio (the ostrich). Featuring from left to right: common ostrich and somali ostrich. These files are already on Commons with their respective licenses. This montage was made for the article Ostrich on Wikipedia. File:Avestruz (Struthio camelus), Tierpark Hellabrunn, Múnich, Alemania, 2012-06-17, DD 02.JPG File:Struthio molybdophanes, male, Samburu National Reserve, Kenya.jpg

Next time, when you think about T Rex, think ostrich. :)