Interestingly, the Ronto's are indeed evolved from dinasaurs--ILM took the brontosaurus CG model from Jurassic Park and turned it into the ronto, and then the gallimimus became the "scurriers" seen in the opening entrance shot.
Interestingly, the Ronto's are indeed evolved from dinasaurs--ILM took the brontosaurus CG model from Jurassic Park and turned it into the ronto, and then the gallimimus became the "scurriers" seen in the opening entrance shot.