WASHINGTON-In a humid, tropical jungle in southern China eons ago, a remarkably bird-like dinosaur with wing-like arms, a toothless beak and a dome-shaped crest atop its head became trapped in mud, ...
The last-ditch struggle of Tongtianlong limosus as it was mired in mud is seen in an undated artist reconstruction. Zhao Chuang/Handout via REUTERS In a humid, tropical jungle in southern China eons ...
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