NOVA The Four-Winged Dinosaur
Surprising fosils from northeastern China spur a debate over how birds evolved. Details
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Microraptor's World
See the perfectly preserved fossils of plants and animals that lived alongside feathered dinosaurs.
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Video Extra
Watch another flight test of the Microraptor model.
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Built to Fly
Compare the anatomy of the oldest known bird and its dinosaur cousins.
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Wind Tunnel Test
How did Microraptor use its second pair of wings to glide? See for yourself in this virtual experiment.
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Episode links



