Dragon dinosaur met a muddy end
Feathered oviraptorosaurs surged at the end of the age of dinosaurs
![illustration of a mud dragon](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/11/110916_MR_mud-dragon_main.jpg?fit=860%2C460&ssl=1)
TRAPPED This birdlike feathered dinosaur with a bony crest on its skull is one of several oviraptorosaur species from the time just before the asteroid hit (illustration shown).
Zhao Chuang