Probable hoax.
The Chinese have become very scrutable in that startling finds like this are often faked.
Define ‘often’.
Dino Hoax Was Mainly Made of Ancient Bird, Study SaysHillary Mayell
for National Geographic News
November 20, 2002
The principal part of a famously fabricated dinosaur fossil is an ancient fish-eating bird, scientists report.
The Archaeoraptor fossil was introduced in 1999 and hailed as the missing evolutionary link between carnivorous dinosaurs and modern birds. It was fairly quickly exposed as bogus, a composite containing the head and body of a primitive bird and the tail and hind limbs of a dromaeosaur dinosaur, glued together by a Chinese farmer.