The Truth About Jurassic Park
and the films in the Franchise
Steven Spielberg, in preparation for Jurassic Park, assembled his own group of scientists, paleontologists, engineers and biologists (much like John Hammond) to get an accurate picture of dinosaur life before shooting the first JP film. This provided many great resolutions of theory and conjecture to become accepted knowledge. Dinosaurs could not have dragged their tails like reptiles, dinosaurs were warm blooded and active creatures, dinosaurs moved and acted more like birds than reptiles.
However, for the sake of making a fun Hollywood film some facts were intentionally discarded and overlooked. I don’t personally have a problem with that. No one should be writing a thesis based on the films. I accept that a fictional story will have some wiggle room in order to support the fictitious adventure.
Here are some of the hard science facts:
Most of the dinosaurs in Jurassic Park movies were not from the Jurassic Time Period in earth’s history. Most were from the Cretaceous era, 100 million years later.
Velociraptor – in the first film they called the one type of ‘human sized’ dinosaur a velociraptor. They were not velociraptors at all. Velociraptors are only 2- 3 ft. tall, approx. 6 ft in length, about the size of a medium sized dog. The dinosaur portrayed on-screen was a Deinonychus, as it was in the book, which is in the ‘raptor‘ family. Velociraptor just sounds cooler. In the later films they are just called raptors.
Dilophosaurus were actually a much larger creature than portrayed in the first film. There was no indication of a frill or that it spit poison. At 16 ft. long it had no need for such weaponry. It was one of the largest predators of the early Jurassic period.
My cousin is a bird – It is commonly accepted that dinosaurs eventually evolved into birds and were closer in species to birds than today’s reptiles. It is also accepted that many of the later species, especially the carnivores, probably had some feathers in some areas of the body. The films prefer to keep the dinos featherless for continuity with the first film. Also, I’ve heard a lot of war cries from armchair scientists stating, “Dinosaurs Had Feathers!” We are talking about over 200 million years of evolution when they had existed on earth. It is possible and probable that the first raptors and Rex’s didn’t have feathers but the later one’s (100 million years later) had grown them through a process called evolution.
I’m not a CG – The Dinosaurs in Jurassic Park movies are not all CGI. Most of the dinosaurs in the Jurassic Park films are real-life animatronics robots, magnificent wonders themselves, created by Stan Winston’s team at his special effects studios. CG was used to enhance the movements and/or fill in pieces when the dinosaurs were fully framed. CG was also used in wide-screen shots to show herds.
Dinosaur stars in Jurassic Park (1993):
Tyrannosaurus Rex
Deinonychus (raptors/velociraptors)
Dilophosaurus
Brachiosaurus
Triceratops
Gallimimus (seen in herds)
Dinosaur stars in Jurassic Park: The Lost World (1997):
Tyrannosaurus Rex
Deinonychus (raptors/velociraptors)
Compsognathus (compys)
Stegosaurus
Parasaurolophus (seen in herds)
Pachycephalosaurus (seen in herds)
Gallimimus (seen in herds)
Dinosaur stars in Jurassic Park III (2001):
Spinosaurus
Tyrannosaurus Rex
Deinonychus (raptors/velociraptors)
Pteranodon
Ceratosarus
Corythosaurus (seen in herds)
Parasaurolophus (seen in herds)