Scientists finally found the predator that had been killing and eating ancient birds and regurgitating their broken bones as pellets 120 million years ago-- it's a new species of dinosaur, related to Velociraptor, that had wing-like structures on both its arms and its legs.

A fossil found in what’s now northwestern China belonged to a microraptor, a gliding dinosaur that hunted ancient birds.

Scientists finally found the predator that had been killing and eating ancient birds and regurgitating their broken bones as pellets 120 million years ago-- it's a new species of…