A dinosaur model (Caudipteryx zoui) poses in courtship display. Forelimbs measure three feet [0.9 meter] long with feathers. The reconstruction was made following the discovery of a 120-million-year-old fossil in China. The fossil species links dinosaurs with the origin of birds.

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Learn more about Caudipteryx zoui in Dinosaurs Take Wing: The Origin of Birds, National Geographic magazine, July 1998.