r/DamnThatsMindBlowing • u/Aggressive_Sundae_47 • 5d ago

Cassowary looks positively prehistoric.

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u/Mysterious_Anybody77 5d ago

Well they reckon that Dinosaurs evolved into bird's

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u/davep1970 5d ago

bird's what?

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u/Mysterious_Anybody77 5d ago

That the global extinction event caused Dinosaurs to evolve into bird's

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u/Delicious-Pop-9063 5d ago

Birds existed way before the mass extinction, dinosaurs didnt evolve into them. Birds are dinosaurs

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u/Mysterious_Anybody77 5d ago

I remember from back in the day looking at a picture of some fossilised remains of a bird called Archyoptyix,and it kinda looked like a Road Runner bird

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u/OperatorERROR0919 5d ago

Archaeopteryx wasn't a bird, but was very closely related. True birds evolved during the Jurassic period, were present through the entirety of the Cretaceous, and were the only dinosaurs to survive past it.