So Giganotosaurus might've been slightly longer than T. rex, making it a contender for the largest carnivorous dinosaur. On the other hand, a 2014 paper published in the journal Plos Biology ...

Notice how the Giganotosaurus' tongue bounces when it opens its mouth, or how its skin reacts when it roars. Those reactions all happened in-camera from this animatronic Giga puppet, built to look ...