Signs of red pigment were spotted in a fossil for the first time

The 3-million-year-old mouse was reddish-brown on its back and sides

red pigment in mouse fossil

LIVING COLOR  A 3-million-year-old fossil of a field mouse (left) had patches of reddish-brown fur on its back and sides. X-ray spectroscopy revealed patches of reddish pigment (yellow regions, at right) in the ancient rodent.

P.L. Manning et al/Nature Communications 2019

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