The tail of a feathered dinosaur has been found perfectly preserved in amber from Myanmar. The stunning discovery helps put flesh on the bones of these extinct creatures, opening a new window on the biology of a group that dominated Earth for more than 160 million years.

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The tail of a feathered dinosaur has been found perfectly preserved in amber from Myanmar. The stunning discovery helps put flesh on the bones of these extinct creatures, opening a new window on the biology of a group that dominated Earth for more than 160 million years.