All of the flightless dinosaurs went extinct, however scientists believe that birds are direct descendants of theropods, with hollow bones, feathers and even a wishbone. In the 1860’s paleontologists found a perfectly preserved fossil of what seems to be the theropod Archaeopteryx surrounded by imprints of feathers. This monumental discovery was deemed to be the evolutionary link between dinosaurs and birds. Today you can see many similarities that dinosaurs such as Sinornithosaurus and Archaeopteryx have with the modern day vulture.
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