prompt: What is the smallest dinosaur paleontologists have discovered? What is its size, and what is the date of its discovery?
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chosen.content: What is the smallest dinosaur paleontologists have discovered? What is its size, and what is the date of its discovery?
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chosen.content: The smallest fossil dinosaur ever found is Oculudentavis khaungraae, which was discovered and described in early 2020. It was initially presented as a hummingbird-sized toothed bird but, after its reveal in Nature magazine in March 2020, fellow researchers pointed out that Oculudentavis was a small reptile. The fossil resembled a bird due to its large eye-opening and narrow, beak-like snout. A second fossil was presented later in 2020 which added evidence that Oculucentavis was a lizard.
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rejected.content: A chat.
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rejected.content: What is the smallest dinosaur paleontologists have discovered? What is its size, and what is the date of its discovery?
rejected.role: assistant