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Fossilised dinosaur egg shows embryo preparing to hatch like a bird

An exquisitely preserved oviraptorosaur embryo suggests modern birds’ pre-hatching behaviour originated with dinosaurs.

Photo of the oviraptorosaur embryo “Baby Yingliang”
Photo of the oviraptorosaur embryo “Baby Yingliang”. Credit: Xing et al. / iScience
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