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- 01Melanosomes in the preserved skin allowed researchers to reconstruct a dark-backed, pale-bellied striped pattern in 2016.
- 02Countershading suggests Psittacosaurus lived in a forest environment with overhead light — a habitat conclusion from skin pigment alone.
- 03The same specimen reveals a cloaca, confirming for the first time what a non-avian dinosaur's vent actually looked like.