BETA
Chapter 1
Feathers, fluff, and fashion
Chapter 2
The sound and the fury
Chapter 3
The giants of the southern hemisphere
Chapter 4
The survivors among us
Ch 2 · The sound and the fury
artiteacher Match fossilized throat bones to discover how dinosaurs actually sounded instead of movie roars.
artiteacher Dinosaur Pack Hunting Myth
Raptors hunted on their own! (On their own!) Solitary to the bone! (Oh yeah!)
artiteacher While film designers mix animal sounds for roars, Tyrannosaurus rex actually produced low-frequency rumbles and hisses felt through the ground.
Quiz
What type of vocalization did Tyrannosaurus rex most likely use instead of roaring?
Quiz
Which animal's vocal structures do scientists study to understand how non-avian dinosaurs might have made sounds?
artiteacher Movies falsely show the predator chasing down cars at forty-five miles per hour.
Quiz
What physical risk would a Tyrannosaurus rex face if it tried to run at high speeds?
Quiz
According to computer simulations, what was the realistic top speed of an adult Tyrannosaurus rex?
Fun Fact
T. rex hearing: Studies of T. rex skull cavities show they had excellent low-frequency hearing, perfect for picking up the deep rumbles of other T. rexes.
Quiz
How large was a real, adult Dilophosaurus compared to its dog-sized depiction in films?
Quiz
Which fictional physical feature was added to Dilophosaurus in pop culture but has zero fossil evidence?
Glossary
syrinx (noun)
The syrinx is the vocal organ of birds, located at the base of the windpipe. In 2016, paleontologist Julia Clarke discovered a fossilized Cretaceous syrinx, proving some ancient birds honked like ducks.
The syrinx is the vocal organ of birds, located at the base of the windpipe. In 2016, paleontologist Julia Clarke discovered a fossilized Cretaceous syrinx, proving some ancient birds honked like ducks.
Quiz
Which modern reptile's chaotic feeding behavior is often compared to dinosaur mob hunting?
Quiz
What is the main reason scientists doubt that dromaeosaurs (raptors) hunted in highly coordinated packs like wolves?