This 28 August 2019 video says about itself:
The Raptor That Made Us Rethink Dinosaurs
In 1964, a paleontologist named John Ostrom unearthed some fascinating [Deinonychus] fossils from the mudstone of Montana. Its discovery set the stage for what’s known today as the Dinosaur Renaissance, a total re-thinking of what we thought we knew about dinosaurs.
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