doi: 10.1038/431145a.
Palaeontology: parental care in an ornithischian dinosaur
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- PMID: 15356619
- DOI: 10.1038/431145a
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Palaeontology: parental care in an ornithischian dinosaur
Nature.
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Abstract
Crocodilians and birds show extensive parental care of their young, but whether this behaviour evolved independently in these two groups of living archosaurs is unknown - in part because features of parenting among related fossil groups such as dinosaurs are unclear. A dramatic specimen of the small ornithischian dinosaur Psittacosaurus sp. (Dalian Natural History Museum D2156) from Liaoning in China reveals a single adult clustered with 34 juveniles within an area of 0.5 square metres, providing strong evidence for post-hatching parental care in Dinosauria.
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