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Birds Bird Evolution Early Dinosaurs Feathers Feathered Dinosaurs Juvenile Specimens Paleontology Modern Birds Dinosaur Reproduction Theropods Avialan Evolution Dinosaur Extinction Dinosaur Locomotion Pterosaur Evolution Ornithischians Dromaeosaurs Non-avian Dinosaurs Behavior Cretaceous Period Plant-Eating Dinosaurs Hunting Jurassic Period Flight capability Troodon formosus
A partial shoulder and forelimb suggest a gliding four‑winged predator that extends confirmed microraptorine fossils into northwestern China.
