The tail of a feathered dinosaur has been found perfectly preserved in amber from Myanmar.
The one-of-a-kind 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.
Examination of the specimen suggests the tail was chestnut brown on top and white on its underside.
The tail is described in the journal Current Biology.
"This is the first time we've found dinosaur material preserved in amber," co-author Ryan McKellar, of the Royal Saskatchewan Museum in Canada, told the BBC News website.
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