Dragon dinosaur met a muddy end

Feathered oviraptorosaurs surged at the end of the age of dinosaurs

illustration of a mud dragon

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

A bizarre new birdlike dino was part of an evolutionary extravaganza at the end of the age of dinosaurs.