Blodieast predators

In every place are predators that are bigger, more intelligent, and more deadly than other. In north america the most dangerous dinosaur in early jurassic was ceratosaurs, this animals eat from little lizards, to big stegosaurus and babies of sauropods. Then allosaurus appear and with a pack of big claws and huge teeth, was the terror of the late jurassic. Then small tiranosaurs appear, tiranosaurs as alberatasurus and daspletasurus. In south america the gigantosaurus sow the panic. Finally in late cretacic the most deadly of this dinosaur take his place on planet earth, tiranosaurus rex. The humans are the first specie that make so much damage to the nature as this last one to the man. Now is about to see if this is an adventage.