Corrected entry: How did the pteranodons survive without lysine? According to Sarah's theory in the second film, the herbivores ate lysine rich plants and the carnivores ate the herbivores. However the pteranodons were in an enclosure so they could not get out to the herbivores and the herbivores could not get in to them. And the fish in the river did not carry lysine. (01:02:10 - 01:07:35)
Corrected entry: Amanda, Ben, and Eric were vacationing on the Costa Rican mainland, which, according to maps by JP experts, is 200+ miles away from Isla Sorna. So how is it possible that the speedboat in the first scene was able to make the trip by midday?
Corrected entry: All of the dinosaurs in Jurassic Park III are radically different than the ones in the previous movies, most notably the Velociraptors, who have gone from being grayish brown to having wild color patterns of blue, red, green black and white, as well as having grown mohawks of feathers on their heads. It couldn't be evolution.
Corrected entry: In the scenes with the pteranodons, they actually lift up beating their wings. In reality, these dinosaurs are designed to float with the wind, having very small and fragile bones on their wings which do not allow them to beat them. As a matter of fact, to lift from the ground, they extended their wings and hoped that the wind itself would be strong enough to carry them, thus making it impossible for them to lift from the bridge in the giant birdcage or to beat their wings next to the plane.
Corrected entry: Spinosaurus wasn't actually as deadly in real life as it was in the film. It is believed that its diet may have only been fish, and according to Dinosaur A to Z by Don Lesser, the spinosaurus' size was greatly exaggerated in the movie to make him seem deadlier.
Corrected entry: When they are trying to take off from the island, the run into the dinosaur and blood spatters on the glass. When they crash, the glass gets shattered. You can see that there is no blood on the glass anymore.
Corrected entry: Does Eric have hair clippers? He was on the island for 6 weeks or 8 weeks and his hair is the exact same length. Also, throughout the movie every single man remains clean-shaven.
Corrected entry: In the scene where the Spinosaurus is chasing Grant and the boy along the giant fence, Grant and the boy think they have escaped by cutting through a small hole in the fence. This fence is actually a double fence, the first part appears to be made from two in steel cables and forms a mesh fence. The second part of the fence appears to be made from 10-12 inch steel tubing. After Grant and the boy escape through the hole the Spinosaurus back up, charges the fence and crashes through with ease. Grant and the rest of the survivors then dash into a nearby building and slam the door. They then lock the door with 3 sliding dead bolts about 2 inches thick. When the Spinosaurus pushes against the door, it's unable to break through the 2 inch deadbolts.
Corrected entry: In the fight between the Tyrannosaurus and Spinosaurus, the Tyrannosaurus grabs the Spinosaur by the neck with its jaws. Now, Tyrannosaur's jaws had enough muscle power to crush bone. That bite would've killed the spinosaurus. On the other side, the Spinosaur has very weak jaws for a large carnivore-it couldn't have killed the Tyrannosaur.
Corrected entry: In the opening scene when they are flying over the island, Ben looks down at the boat crew and finds that they have disappeared. He has a camera in his right hand. He tells the kid not to worry. He puts his hand behind his back for a split second and voila- his camera is gone. He had no time to put attach it to his backpack. In a later scene, we find that Ben has been holding onto the camera the whole time. That's odd because it disappeared earlier.
Corrected entry: Grant was exposed to tear gas when Eric saved him...he didn't inhale much but he would still be coughing so violently that he wouldn't be able to speak coherently or eat without problem for quite a few hours at least.
Corrected entry: When the crew finds the video camera and then realize it is out of battery power, the remaining pilot says, 'I have an idea.' He then begins to unscrew the flashlight, presumably to put those batteries into the video camera. One problem: the video camera on hand doesn't take the kind of batteries found in the flashlight.
Corrected entry: The raptors in this film have evolved, allowing the males to have quills on their necks. That's fine and dandy, but when Grant is having his dream scene on the plane, and sees the raptor sitting next to him, it has the quills. Shouldn't it have looked like the ones he saw in the original Jurassic Park? He wouldn't have known about the quills.
Corrected entry: How is it that Billy manages to beat the whole group in getting to the shore when they left him a good 12 hour boat trip away? I'm sure the navy didn't venture into the pteranodon cage to get him and then go back out to the shore.
Corrected entry: The boy in the film had collected urine from a T-rex to keep raptors away. There's a problem with that: dinosaurs were reptiles and were related to birds. Birds and reptiles do not urinate like mammals; they excrete uric acid together with their faeces through a single excretory opening called a cloaca.
Corrected entry: At the beginning we see the crew of the speed boat pass through fog, when they come out the speedboat is in tatters and the crew are dead. But what killed them? They were too far out at sea, and the Pteranodons were locked in their cage.
Corrected entry: When Eric is dropped from the Pteranodon into its nest, we see that the nest and the adjacent rocks are littered with human bones and skulls. It's quite unlikely anyone has been there until now, so where did those human bones come from?
Corrected entry: When in the operations complex, there is no activity which would indicate power. In the previous movie however, Van Owen had to turn on the power to send a signal to InGen, and no-one was around to turn it off. Ludlow's team couldn't have turned it off as they weren't near the building. It wouldn't have run out - it was geothermal.