Day 04: From China in the early Cretaceous (approx 130 million years ago), Sinosauropteryx prima was an adorable little fellow with another funky name (Chinese dragon bird!) There have been some amazing fossils coming out of China in recent years, showing some really terrific detail, and they've been particularly great for preserved feathers. Sinosauropteryx was the first dinosaur to undergo microscopic analysis of its feathers, to examine the fossilised melanosomes (cells that give colour to feathers). Consequently, with an obvious nod to the fact that error is always possible, we now know that it was an orangey-brown, with white stripes. Knowing what colour dinosaurs were will never cease to be awesome.

Cute fossil here.
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