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Jurassic Park III (2001) Poster

Goofs

Character error 

While inside the Site-B main buildings, Billy uses his flash to photograph the dinosaur incubation tanks. Any photographer with a modicum of expertise would never use a flash when photographing a reflective surface (i.e. glass or water).
When Grant asks Billy how he would classify the Spinosaurus, Billy says, "It's a super-predator," and immediately suggests Suchomimus. Grant says, "Think bigger," and Billy suggests Baryonyx. In reality, Baryonyx was only about 2/3 the size of Suchomimus, which in turn was only about 2/3 the size of Spinosaurus - not nearly big enough to be a super predator. Regardless of that fact, Billy still got his dinosaur sizes badly out of order.
During the Montana dig site scene, Billy is carefully using a toothbrush to gently wipe away dirt from a dinosaur fossil while trying to impress his female co-worker. But at the same time, his arm and all its weight is leaning directly on a big part of the fragile fossil. No fossil expert would ever be so careless.
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Eric has survived several weeks in the water truck and knows he might need it again. But he leaves the hatch open, meaning anything might occupy it.
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They spell the name of the Montana dig site as Chateau and pronounce it in the French manner. It is spelled Choteau and pronounced "Show-toe" by people in Montana.
Dr. Grant says the last thing he said to billy was, "You're as bad as the people who made this." He really said "Billy, NO!" before he jumped and opened his parachute.

Continuity 

In one sequence, the Spinosaurus, whilst pursuing the main characters, smashes through a huge metal reinforced fence to get to them. Seconds later the main characters run in a small wooden hut and the Spinosaurus isn't able to break into it. How can it smash a steel fence open yet not be able to even slightly damage a wooden hut?
Eric has been alone on the island for eight weeks, yet his hair has not grown and is still more neatly combed than it would be without a comb.
Trees suddenly appear on a previously treeless beach as the helicopter takes off.
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In the opening scene the man with the camera using the parachute with the kid, his shorts change color from tan to black several times between shots.
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When Kirby goes to the end of the tunnel in the birdcage his backpack is on, then when the camera returns to him the backpack is off.
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As Eric is in the water truck talking to Grant, his chocolate bar wrapper and size of the bar itself keeps changing.
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The Nestle candy bar in the scene where Dr. Grant and Erik are having a conversation changes constantly throughout the scene.
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While talking to the Kirbys in the bar, Grant puts his drinking glass down twice when Paul offers to fund his dig.
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When Grant and Eric see the herd of herbivores, they stand up. In the next shot when we see the dinosaurs, they stand up again.
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The blood on the T-Rex's mouth disappears when it approaches the Spinosaurus, yet it returns in the next shot.
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The blood on the windshield of the plane disappears as the plane is crashing.
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When Billy is about to jump off the bridge para-sailing his legs aren't secure with the straps, meanwhile Professor Grant is chasing him to stop him. But a second later when he is standing at the edge of the railing his legs are properly strapped. He couldn't secure himself with the straps in less than two seconds.
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During the opening scene of the movie while Eric and Ben are para sailing, Ben starts to film with a video camera. While videoing the tugging begins, the next scene the camera is gone, but the next its back again. After this Ben slides the camera to his side and the camera disappears out of his hand.
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On the boat as Dr. Grant & Eric are talking, the cage behind Eric is unlocked. As they move into sunlight, the door on the cage has a pin locking it.
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The blood injury on Amanda Kirby's left cheek changes size & shape.
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Just after the plane crashes in the tree, Kirby unbuckles his seat belt twice.
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When Ellie is walking toward Alan with her toddler, her shirt gets pulled a little bit of the way up her belly and then it falls again. When she's by Alan, her belly is covered. But at that moment as the scene changes, Ellie's belly button is showing.
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When Dr. Grant is talking to Eric on the boat you can see/tell that the boat is moving when the camera is on Dr. Grant, but it's still when the camera is on Eric.
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In the airplane, Amanda gets blood on her face. It changes throughout the next scenes.
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Dr. Degler's coffee cup disappears during her dinner with Dr. Grant.
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The direction of the shadows in the air strip when the group first lands on Isla Sorna changes between shots. The amount and intensity of the light changes as well throughout the scene.
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In the beginning, when the two people are killed on the boat, Eric and Ben see a small rock ahead, that rock disappears between shots.
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Crew or equipment visible 

Wires visible on Paul while hanging off the crane.
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As the plane is flying into Isla Sorna, the shadow of the helicopter filming the plane can be seen on the clouds.
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A crew boat is visible in the background of one shot just before the parasailing boat enters the fog.
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When the Spinosaurus is trying to attack the characters we see a white damaged airplane. When the Spinosaurus starts to crush the plane we see a brief green model of the plane being crushed with no window holes and a few cables inside visible. This might have been a second dummy airplane to prevent destructing the original.
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Lights reflected in the plane when it trying to leave Isla Sorna.
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If you pay attention to the shadows when Dr. Grant is looking through the busted, dirty windows of the jeep before the group enters the compound, you can see the shadow of the tracking camera/crew briefly pass over the far interior of the vehicle just under the window and across the wheel well Grant is passing.
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Errors in geography 

When Dr. Grant's team is excavating in the Montana Badlands, a wood thrush is heard in the background. The wood thrush isn't found in Montana and would certainly not be live in a desert environment.
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Factual errors 

Although the depiction of the Pteranodon showcases several inaccuracies (such as having teeth, being able to grab things with their legs, and being excessively aggressive), which, being genetically engineered clones, can be explained, one detail still counts as an error. Namely, no matter how strong these creatures are, they could never lift up and carry a human boy the size of Erik. They would simply plummet towards the ground, since these animals needed to be extremely light-weight in order to stay aloft (a real-life Pteranodon would weigh less than preschool child). Thus the Pteranodon's anatomical inaccuracies notwithstanding, the sequence in question very nearly breaks the laws of physics.
The two D size batteries would not be able to supply either the correct voltage or the proper amount of current to power the camcorder.
The Kirbys' camcorder is a Panasonic Digital "Palmcorder" (a PV-DV910 or similar), as evidenced by the distinctive zoom buttons, tape window, and connector for a light. It is a MiniDV (digital) camcorder, yet when Grant, Udesky, and the Kirbys play the tape that Eric and Ben shot, there are analog tape artifacts, most notably the static that appears during cuts and at the end of the tape. Static wouldn't appear on a MiniDV recording, and neither would analog tape artifacts (unless that is exactly what was recorded, which is highly unlikely with a working camcorder). The cuts would either be seamless (or the screen would turn blue), and at the end of the tape, the screen would turn blue, possibly preceded by a few milliseconds of a still of the last frame recorded. This is a common error in movies when digital camcorder footage is played.
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When the Marines are disembarking the amphibious vehicles, one is seen getting off with his finger on the trigger of his rifle. Soldiers are specifically trained to keep their fingers off the trigger of their weapons to avoid accidental discharges, especially during the rapid disembarking of a vehicle.
Eric has a bottle of Tyrannosaurus urine, which looks like the typical green liquid most people think of when they hear the word urine. However, this kind of urine is only produced by mammals, because they are the only animals that have both kidneys that are complex enough, and also a physical barrier between urethra and anus. Every other vertebrate makes nearly solid "urine" and releases it mixed with its feces.
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When leaving the Island they are departing on a SH-60B Helicopter, the interior of which is nowhere near quiet enough for them to hold a conversation, nor laid out for them to be sitting in that configuration, especially with someone is being medically evacuated.
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As the aircraft approaches the island, after air traffic control warns the pilot about violating the restricted airspace, Mr. Udesky correctly turns off all the audio switches on the panel for the King Air's radios. However when he leans back in his seat, looking over his left shoulder the airspeed indicator reads ZERO (12 o'clock) position. This wouldn't be the case if the plane were flying.
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The Spinosaurus was indeed larger than the Tyrannosaurus Rex, with that being said Spinosaurus was also primarily a fish eating animal and mostly walked on using all four of its limbs. In the film, a fight takes place as to which the Spinosaurus kills a T-Rex, in all reality a Spinosaurus would not be able to have accomplished such a feat let alone survive to tell it. Research showed that a T-Rex made up for its small arms by often times using its head as a weapon, almost like a mallet. The T-Rex bite force alone was capable of a maximum bite force of 35,000 to 57,000 newtons at its back teeth. Which is more than four times higher than past estimates and ten times as the force of a modern alligator. The T-Rex would have easily been able to rip the Spino's head off once it achieved the first bite putting the Spino to the ground.
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Miscellaneous 

When the protagonists are in the the Emuryonics Administrations buildings of JP3 and chased by a velociraptor, they pull (slam) a door closed. However, in the next second the velociraptor pushes the door open towards them. THEN they swing it backwards towards the velociraptor. The mechanics of the door change between shots.
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The food in the vending machines has been there for many years, not refrigerated or preserved, yet the candy bars and chips they take are not melted and edible.
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Incorrectly regarded as goofs 

There are numerous instances where dinosaurs are portrayed in a manner inconsistent with widely published dinosaur hypotheses. These can be explained within the movie's world as errors or deliberate alterations by the characters who made the InGen cloning process.
There are numerous inconsistencies between this movie and the others in the Jurassic Park series. However, since they do not compromise the movie's own internal structure they cannot, legitimately, be classed as goofs.
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Plot holes 

While celebrating Eric's return, Eric explains he followed Mr.Kirby's cell phone jingle. Then they turn around to see a Spinosaurus standing there. It would have been impossible for the Spinosaurus to have gotten there unnoticed since a T-Rex creates impact tremors with every step when it walks and a Spinosaurus is bigger, according to Grant, than a T-Rex. It is also impossible for it to have been there the whole time since no one seemed to notice it standing there.
Predators hunt to get a meal. But the dinosaurs chase the surviving humans rather than staying to eat one they have already killed. (Food which scavengers would be likely to get if they leave it.)
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The party have no regular food supplies. But they only take some of the food from one of the vending machines, even though at that time they have no reason to hurry.
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Revealing mistakes 

The "metal" wire ropes at the barrier fence where Alan and Eric reunite with rest of the survivors are obviously sash cords spray-painted gray. This is even more apparent when Alan and Eric run through the hole in the fence and the dangling ends of the broken ropes can be seen flopping around as they accidentally make contact with them.
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The computer-generated Spinosaurus does not correspond with the practical version in terms of size. Compare the shots practical version holding Nash (the black mercenary) in its jaws to the shot of the computer-generated version trapping him under its foot and delivering the final bite. The CG creature looks nearly twice as big as the practical one in that shot.
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When they are in the plane flying over a field, the field is empty. However the dinosaurs show up in the next shot. Also when the fields are empty, you can't see anything up ahead.
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After escaping from the spinosaurus and deciding not to drop the raptor eggs, the main characters go down the spiral staircase. Right before the metal stairs they find below break under the weight of Dr. Grant, the camera pans down the stairs and the clean cut where the stairs are about to break can clearly be seen two stairs down. The camera pulls back, and clean cuts can also be seen on the railings of both sides of the staircase just where it breaks.
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When the man and boy begin para-sailing in the opening sequence, as they lift off from the boat an overhead shot looks down at them with the boat almost directly below them, but the boat is not moving and has no wake.
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