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Palaeontology

What sound did a Tyrannosaurus rex make ?

June 19, 2014 | Comment icon 32 comments



Did T. rex really make roaring sounds ? Image Credit: CC BY-SA 3.0 Scott Robert Anselmo
Unlike in movies such as Jurassic Park, large therapod dinosaurs would not have been able to roar.
The stereotypical concept of a Tyrannosaurus rex sees this behemoth of the prehistoric world roaring like a lion as it rampages through the jungle after its prey, but recent studies in to the vocalizations of dinosaurs have revealed that these animals may have sounded a lot different to what we would expect.

Producers of the Jurassic Park movies used a combination of elephant and dog sounds to create the trademark roar of the Tyrannosaurus rex, vocalizations that the real thing would have been unable to produce. With no larynx or syrinx in fact most dinosaurs may have only been able to produce a very limited range of sounds that would have been quite unlike those used in the movie.
In reality Tyrannosaurus rex is more likely to have made hissing, rattling or booming noises like a snake or crocodile while a lot of the communication between other dinosaur species would have relied on visual cues such as colorful crests, frills or horns.

Some species of dinosaur may have not even made any sounds whatsoever.

Source: io9.com | Comments (32)


Recent comments on this story
Comment icon #23 Posted by IBelieveWhatIWant 8 years ago
You mean something like this?? It was meant to be a play on What does the fox say.
Comment icon #24 Posted by Ryu 8 years ago
I'd think the T-Rex made sounds similar to a crocodile. Low grunts and stuff. I don't think they ran around roaring all the time though like most shows portray. Wouldn't make sense; especially when hunting. I mean, what animal is gonna go hunting then when it has its prey in sight, starts roaring or making all sorts of racket?
Comment icon #25 Posted by EllJay 8 years ago
It was meant to be a play on What does the fox say. According to this he say; Abe-dabi-bupp-am-bedum ..or, they sound like this, if you pet them,
Comment icon #26 Posted by plaguedmedusa 8 years ago
Maybe they sounded like frogs. lol
Comment icon #27 Posted by kosciuszko303 8 years ago
Not convinced by the crocodile sound theory, I think it sounded like a cute, fluffy little kitten, purring and rolling over so it could (attempt) to tickle its own belly with its uber cute little arms.
Comment icon #28 Posted by 6.6.6 8 years ago
This is all guess work and opinions! The reality of it is we will never no for sure what noises they were capable of! If parrots had died out with the dinosaur's, do you think modern day scientists would know the full range of their vocal abilities going by a 90 million year old fossil????????
Comment icon #29 Posted by shrooma 8 years ago
It could have sounded like Justin Bieber in a blender for all we know ..... oooh I just made myself really happy . you & me both brother, you & me both.... .
Comment icon #30 Posted by DefenceMinisterMishkin 8 years ago
T-Rex was a fraud, those tiny little arms give away his true character. I bet it had a little squeek or something..LOL
Comment icon #31 Posted by shrooma 8 years ago
This is all guess work and opinions! . nope- it's all humour & jokes. .
Comment icon #32 Posted by Mantis914 8 years ago
I don't know about the rest of you but a Stealthosaurus Rex is most frightening not making any sound whatsoever. Imagine being out in the wild and hear a twig snap behind you just in time to see a jaw full of teeth engulf you in darkness. Then he says "Boom"....


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