As of 2000, the Jurassic Park franchise had generated over $5 billion in revenue, making it one of the highest-grossing media franchises of all time. So since we're all waiting for its 2021 release, Jurassic World: Dominion, what better way to kill time than taking a look at some of the lesser-known facts about the franchise.

From malfunctioning T. Rexes to incredible attention to detail, here's a list of eye-opening Jurassic Park trivia that reveals the production in a whole new light. So unleash your inner geek, continue scrolling, and enjoy!

(h/t ranker)

#1

T. Rex Occasionally Malfunctioned, Due To The Rain

T. Rex Occasionally Malfunctioned, Due To The Rain

"The T. Rex went into the heebie-jeebies sometimes. Scared the crap out of us. We'd be, like, eating lunch, and all of a sudden a T. rex would come alive. At first, we didn't know what was happening, and then we realized it was the rain. You'd hear people start screaming."

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Elli Rahim
Community Member
3 months ago

Brilliant - I bet that really livened up mealtimes on set.

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Dinosaurs have been stomping across our screens for decades, but they were often portrayed by stop-motion creatures that were so clearly artificial, they looked like cheap toys.

So when computer-generated dinosaurs came around, delivering something that was visually unprecedented, people were ready for it. Also, images of dinosaurs as slow, stupid, swamp-bound creatures still persisted into the early 1990s, and Jurassic Park eliminated these paleo-stereotypes and rapidly ushered in a fresh vision of dinosaurs that scientists knew well but that had not yet been fully embraced by others.

#2

Dennis Nedry From Jurassic Park Wearing Similar Outfits To Characters In The Goonies. Kathleen Kennedy Was The Producer On Both

Dennis Nedry From Jurassic Park Wearing Similar Outfits To Characters In The Goonies. Kathleen Kennedy Was The Producer On Both

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Janine B.
Community Member
3 months ago

Awesome!

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Some experts even think there may never be another dinosaur movie as important as Jurassic Park. Special effects, in their opinion, will continue to be fine-tuned, but the movies themselves aren't necessarily going to become something drastically different. If this is the case, good dinosaur movies will probably have to rely on solid storytelling.

#3

The Lost World Had An Intentional Godzilla Moment

The Lost World Had An Intentional Godzilla Moment

The Japanese tourists running from the rampaging T. rex in the San Diego scene (an obvious homage to Godzilla movies) are saying, in Japanese, "I left Japan to get away from this?!"

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Elli Rahim
Community Member
3 months ago

Perfect scripting!

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Even scientists acknowledge its importance. "I think on balance Jurassic Park has been such a positive for paleontology. Of course, I could nitpick about the little inaccuracies but I think those are outweighed probably a million fold by the good that the movie has done," paleontologist Steve Brusatte told the BBC.

"I don't know if I would have a job now if Jurassic Park didn't exist."

#4

At The End Of Jurassic Park When The Remaining Crew Is About To Get Into The Heilcopter, The JP Logo Is Covered With Mud To Read "Your Ass Park". Condemning The Park In A Hilariously Brilliant Move

At The End Of Jurassic Park When The Remaining Crew Is About To Get Into The Heilcopter, The JP Logo Is Covered With Mud To Read "Your Ass Park". Condemning The Park In A Hilariously Brilliant Move

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Miss Cris
Community Member
3 months ago

This is good! Why it isn't higher?

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#5

In Jurassic Park When The T. Rex Comes Through The Glass Roof Of The Van In The First Attack, The Glass Was Not Meant To Break. It's No Wonder Those Kids' Screams Sounded So Genuine

In Jurassic Park When The T. Rex Comes Through The Glass Roof Of The Van In The First Attack, The Glass Was Not Meant To Break. It's No Wonder Those Kids' Screams Sounded So Genuine

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Miss Cris
Community Member
3 months ago

What did they expected from a hitten glass?

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#6

Ariana Richards Got The Part Of Lex In Jurassic Park Because Of Her Scream

Ariana Richards Got The Part Of Lex In Jurassic Park Because Of Her Scream

To cast Hammond's granddaughter, Lex, Spielberg auditioned a number of girls and asked them to record their screams. Ariana Richards recalled that she won the role because she was the only one whose taped scream was loud enough to awaken a sleeping Kate Capshaw (Spielberg's wife) and send her scurrying down the hall to see if her children were all right.

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Daniel Lewis
Community Member
3 months ago

The fact that she has good acting skills might also have something to do with her being chosen. She did do more than scream in this movie - in case you didn't bother to notice.

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#7

In “The Lost World: Jurassic Park”, The Random Citizen Who Gets Eaten By The T-Rex Is Named “Unlucky Bastard” In The Credits

In “The Lost World: Jurassic Park”, The Random Citizen Who Gets Eaten By The T-Rex Is Named “Unlucky Bastard” In The Credits

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Scagsy
Community Member
3 months ago

Not only that but he's actually an uber-succesful screenwriter and general movie making legend. Go on, have a Google

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#8

The Establishing Wide Shot Of The Dig Site In Jurassic Park III Was Actual Footage Of Jack Horner's Excavation, Filmed In Early Summer 2001. The Site Contained Several Large Fossils Of Tyrannosaurs And Some Hadrosaurs

The Establishing Wide Shot Of The Dig Site In Jurassic Park III Was Actual Footage Of Jack Horner's Excavation, Filmed In Early Summer 2001. The Site Contained Several Large Fossils Of Tyrannosaurs And Some Hadrosaurs

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Elli Rahim
Community Member
3 months ago

The dinonerd in me stood up and cheered at that.

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#9

All Of The Cast Members Were Given A Raptor Model Signed By Steven Spielberg As A Gift Once The Film Had Wrapped

All Of The Cast Members Were Given A Raptor Model Signed By Steven Spielberg As A Gift Once The Film Had Wrapped

It looked very frightening, and Ariana Richards has it in her house to shock anyone coming in. "It's pretty big, maybe five feet long, maybe two feet high in a glass case," she said.

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BeazleBug
Community Member
3 months ago

Other fun fact: Those models are closer to actual size of velociraptors. In the movies they are much larger than reality, explained away with "...they aren't real dinosaurs- they are genetically engineered theme park monsters..."

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#10

Jack Horner Was So Vital To The Lost World, They Based A Character Off Of Not Just Him But Also On His Rival

Jack Horner Was So Vital To The Lost World, They Based A Character Off Of Not Just Him But Also On His Rival

Alan Grant, from the original Jurassic Park, was based on paleontologist Jack Horner (pictured), who both Michael Crichton and Steven Spielberg consulted about dinosaur behavior. For The Lost World, the character Robert Burke is based on rival paleontologist Robert Bakker, with whom Horner has a friendly feud. Their major disagreement is over the behavior of Tyrannosaurus rex. Horner argues that T. Rex was a scavenger, while Bakker insists that T. Rex must have been a predator. Horner reportedly asked to have Burke eaten by the T. Rex in The Lost World. Bakker was apparently flattered, and wrote back to Horner, saying "I told you T. rex was a hunter!"

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Miss Cris
Community Member
3 months ago

Too funny. :)

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#11

In Jurassic Park (1993), The Insect Trapped In Amber (Copal) Is An Elephant Mosquito, The Only Mosquito That Doesn't Suck Blood; Therefore, It Couldn't Contain Any Dino DNA

In Jurassic Park (1993), The Insect Trapped In Amber (Copal) Is An Elephant Mosquito, The Only Mosquito That Doesn't Suck Blood; Therefore, It Couldn't Contain Any Dino DNA

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Nupraptor
Community Member
3 months ago

I presume the elephant mosquito is a stand-in for a prehistoric mosquito.

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#12

The Crew Had To Have Safety Meetings About The T. Rex

The Crew Had To Have Safety Meetings About The T. Rex

The T.rex weighed 12,000 pounds and was extremely powerful. To alert the crew when the T. rex would come on, they used flashing lights because if someone stood next to it and the head went by at speed, it felt like a bus going by.

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Scagsy
Community Member
3 months ago

Like...D'uh....It's a T-Rex...be careful

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#13

The T-Rex In Jurassic World Is The Same T-Rex From Jurassic Park

The T-Rex In Jurassic World Is The Same T-Rex From Jurassic Park

We can see this from its scars on its neck where the velociraptors attacked it in Jurassic Park

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Suzanne Harris
Community Member
3 months ago

It's supposed to be the same one. Her name is Rexy.

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#14

Steven Spielberg Wanted The Velociraptors To Be About 10 Feet Tall, Which Was Taller Than They Were Known To Be. However, During Filming, Paleontologists Uncovered 10-Foot-Tall Specimens Of Raptors Called Utahraptors

Steven Spielberg Wanted The Velociraptors To Be About 10 Feet Tall, Which Was Taller Than They Were Known To Be. However, During Filming, Paleontologists Uncovered 10-Foot-Tall Specimens Of Raptors Called Utahraptors

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Janine B.
Community Member
3 months ago

They remind me of my cat.

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#15

In Jurassic Park, You Can See Dr. Wu Erasing A Data Sheet In The Lab

In Jurassic Park, You Can See Dr. Wu Erasing A Data Sheet In The Lab

Erasing lab data is highly improper and unethical in scientific settings, hinting at Dr. Wu's corrupt nature in later films.

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BeazleBug
Community Member
3 months ago

The fact he is using a pencil alone is enough to red flag any "scientist". There is a reason we are supposed to only use ink.

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#16

In Jurassic Park III, Mr. Kirby Pees Upstream From Where Billy Is Drinking

In Jurassic Park III, Mr. Kirby Pees Upstream From Where Billy Is Drinking

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Mark
Community Member
3 months ago (edited)

While this obviously isn't good you could be drinking from a crystal clear stream that looks so pure yet who know what has peed or poohed in it upstream!

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#17

The Spinosaurus In 'Jurassic Park III' Was The Largest Animatronic Ever Built

The Spinosaurus In 'Jurassic Park III' Was The Largest Animatronic Ever Built

The Spinosaurus was the largest animatronic ever built. It weighed 12 tons and was operated by hydraulics, which allowed it to operate while completely submerged in water. According to an interview with William H. Macy, the film's animatronic Spinosaurus had a 1,000-horsepower motor and could turn its head at twice the force of gravity, with the tip of its nose moving at a speed of more than 100 miles per hour.

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Janine B.
Community Member
3 months ago

Oh moly! Look at the tiny humans!

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#18

The Tyrannosaurus's Roars Were A Combination Of Dog, Penguin, Tiger, Alligator, And Elephant Sounds

The Tyrannosaurus's Roars Were A Combination Of Dog, Penguin, Tiger, Alligator, And Elephant Sounds

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Elli Rahim
Community Member
3 months ago

Alligators roar? I thought those hissed? More importantly, what did the Fox say?

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#19

In Jurassic Park, The Dinosaur Is Heard Through Roars And Most Memorably, A Plastic Cup Of Water, Which Vibrates As The Predator Stomps Along

In Jurassic Park, The Dinosaur Is Heard Through Roars And Most Memorably, A Plastic Cup Of Water, Which Vibrates As The Predator Stomps Along

To create the shot they fed a guitar string through the car, down to the ground, and then had a guy lay under the car and pluck the guitar string

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Scagsy
Community Member
3 months ago

They had to keep re-shooting the scene because he couldn't resist going into Stairway

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#20

In Jurassic World The Jeep Used To Escape Was The Same Jeep That Brought People In Jurassic Park

In Jurassic World The Jeep Used To Escape Was The Same Jeep That Brought People In Jurassic Park

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Scagsy
Community Member
3 months ago

Awesome! Love these little details

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#21

In The Lost World: Jurassic Park, The Ship That Brings The T-Rex To San Diego Is Called The S.s Venture, Which Is A Reference To King Kong, In Which A Ship Called The S.s Venture Brought King Kong To New York

In The Lost World: Jurassic Park, The Ship That Brings The T-Rex To San Diego Is Called The S.s Venture, Which Is A Reference To King Kong, In Which A Ship Called The S.s Venture Brought King Kong To New York

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Paul K. Johnson
Community Member
3 months ago

Maybe that ship should be de-registered? Seems whoever owns it doesn't have enough sense to turn down stupidly dangerous cargo contracts.

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#22

Although The Scientists In Jurassic Park, 1993 Were Skilled Geneticists, They Misspelled Stegosaurus And Tyrannosaurus On The Cryogenic Storage Containers

Although The Scientists In Jurassic Park, 1993 Were Skilled Geneticists, They Misspelled Stegosaurus And Tyrannosaurus On The Cryogenic Storage Containers

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Miss Cris
Community Member
3 months ago

Geneticists aren't asked to know about dinosaurus.

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#23

Jeff Goldblum Is More Heroic Than Dr. Ian Malcolm

Jeff Goldblum Is More Heroic Than Dr. Ian Malcolm

In the shooting script, it was written that during the Tyrannosaur's escape, Dr. Ian Malcolm would simply get out of the car and run away, much as Donald Gennaro had done moments before. In fact, this is how Dr. Malcolm behaves in the scene as written in the book. When the time came to film the scene, it was Jeff Goldblum's idea to make his flight more heroic, by having him distract the Tyrannosaur so Dr. Grant could save the children.

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Lauren Caswell
Community Member
3 months ago

I watched this with my son (10) a few months back. He hated that lawyer for ditching the kids, but liked the San Neil character, and the Jeff goldblum especially as we had just watched Thor ragnarok Lol!

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#24

At The Time Of Its Release, Jurassic Park Was Breaking All Of The Records

At The Time Of Its Release, Jurassic Park Was Breaking All Of The Records

The film opened on Friday, June 11, 1993, and broke box office records its first weekend, bringing in $47 million. It eventually went on to make more than $900 million worldwide. Screenwriter David Koepp remembers the day it opened: "I was in New York and I walked to the Ziegfeld [Theatre] to see how it was doing. The guy comes out and announces to the big line, 'Ladies and gentlemen, the 7 o'clock show of Jurassic Park is sold out.' And people go, 'Oooh.' And he goes, 'Also the 10 o'clock show is sold out.' And they went, 'Ooooooh.' 'And also Saturday night's 7 and 10 o'clock shows are also sold out.' And I was like, 'I'm not an expert, but I think this is very good.'"

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ProductofNZ
Community Member
3 months ago

1993 people!!! Imagine seeing that on the big screen in the early 90s!

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#25

The Guests' Encounter With The Sick Triceratops Ends Without Any Clear Explanation As To Why The Animal Is Sick. Michael Crichton's Original Novel And The Screenplay, However, Includes An Explanation

The Guests' Encounter With The Sick Triceratops Ends Without Any Clear Explanation As To Why The Animal Is Sick. Michael Crichton's Original Novel And The Screenplay, However, Includes An Explanation

The Triceratops lacked suitable teeth for grinding food and so, like birds, would swallow rocks and use them as gizzard stones. In the digestive tract, these rocks would grind the food to aid in digestion. After six weeks, the rocks would become too smooth to be useful, and the animal would regurgitate them. When finding and eating new rocks to use, the animal would also swallow West Indian Lilac berries. The fact that the berries and stones are regurgitated explains why Dr. Ellie Sattler never finds traces of them in the animal's excrement.

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Sue Hazlewood
Community Member
3 months ago

Eh? The part about the berries was in the film.

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#26

In Jurassic World When Bryce Dallas Howard Rolls Up Her Sleeves And Ties Her Shirt At The Bottom To Say “I’m Ready”, She’s Wearing It The Same Way Laura Dern Did In Jurassic Park

In Jurassic World When Bryce Dallas Howard Rolls Up Her Sleeves And Ties Her Shirt At The Bottom To Say “I’m Ready”, She’s Wearing It The Same Way Laura Dern Did In Jurassic Park

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Danieletc
Community Member
3 months ago

LD ran better in heels, tho.

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#27

Jurassic Park Became The Permenant Perception Of What Many Dinosaurs Looked Like

Jurassic Park Became The Permenant Perception Of What Many Dinosaurs Looked Like

The Dilophosaurus's venom-spitting and neck-frill became so iconic that almost every other appearance of the animal in popular media, as well as most of the Dilophosaurus children's toys advertise at least one or both of these aspects. Some even leave out the dinosaur's striking double-crests. In reality, however, the spitting ability was made up by Michael Crichton, while adding the frill was Spielberg's idea. Real Dilophosaurus possessed neither of these traits, with the twin crests and its thin jaws (the latter of which isn't very evident in the movie's design) being its real discerning features.

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Nameless 4
Community Member
3 months ago

They're the same in ARK

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#28

Films In The Franchise Reference Another Spielberg Film

Films In The Franchise Reference Another Spielberg Film

Jurassic Park: Shortly after Nedry makes his first appearance in the control room, during his argument with Hammond, one can clearly see Jaws playing in a small video window on one of Nedry's computer screens. That movie was, of course, also directed by Steven Spielberg. Jurassic Park III: When the paleontologists enter the bar for dinner with the Kirbys, you can see a Jurassic Park (1993) pinball machine in the background. Jurassic World: The great white shark being eaten in Jurassic World is a clear homage to Jaws.

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Andrew Gibb
Community Member
3 months ago

They are going to need a bigger T-rex cage...

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#29

In Jurassic Park, Hammond Says Multiple Times He "Spared No Expense", Dennis Nedry (Newman) Is The Only Part Of The Park That Was Underpaid And Was The Reason The Park Failed

In Jurassic Park, Hammond Says Multiple Times He "Spared No Expense", Dennis Nedry (Newman) Is The Only Part Of The Park That Was Underpaid And Was The Reason The Park Failed

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Sue Hazlewood
Community Member
3 months ago

But was he actually underpaid or just plain greedy?

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#30

Grant Fashioning A Functioning Seat-Belt With Only Two Latches And No Latch Plate Foreshadows A Later Scene Where The Dinosaurs Are Suddenly Able To Breed, Despite That They Were All Originally Female

Grant Fashioning A Functioning Seat-Belt With Only Two Latches And No Latch Plate Foreshadows A Later Scene Where The Dinosaurs Are Suddenly Able To Breed, Despite That They Were All Originally Female

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Scagsy
Community Member
3 months ago

That's a touch tenuous, methinks.

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Note: this post originally had 46 images. It’s been shortened to the top 30 images based on user votes.