Both were small feathered theropods, but Oviraptor (1.6 m) is a Cretaceous oviraptorosaur while Archaeopteryx (0.5 m) is a Jurassic bird-line dinosaur.
Oviraptor brooded its eggs like a modern bird; Archaeopteryx shows transitional features between dinosaurs and birds.
Oviraptor had a toothless beak and cranial crest; Archaeopteryx had teeth and no crest.
Archaeopteryx could likely fly; Oviraptor had arm feathers suggesting display but was primarily terrestrial.
Oviraptor was misnamed as an egg thief โ later fossils revealed it was a devoted nest-brooder.
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Did You Know? fun facts
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Did You Know?
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Oviraptor was about 3.2x longer than Archaeopteryx.
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Oviraptor weighed roughly 66x more than Archaeopteryx.
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Archaeopteryx was a carnivore while Oviraptor was a omnivore.
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Archaeopteryx lived during the Jurassic Late while Oviraptor lived during the Cretaceous Late, separated by roughly 44 million years.
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Archaeopteryx was discovered 63 years earlier, in 1861.
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Both belong to the Theropoda clade, making them relatively close relatives.
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