The story of a theme park filled with genetically engineered dinosaurs, the movie is an ... Since no one knows what a real T-Rex roar sounds like, Rydstrom and his team needed to get inventive ...

In the film, each dinosaur species has a distinct set of sounds. Some are R-rated ... As I remember it, the Tyrannosaurus rex was the star of the film - it's biggest, scariest character.

Tyrannosaurus rex was the most formidable ... rex’s calls often sound like a roar. “Large carnivores today, most of them are mammals, and roars are the sounds they produce,” says ...