New Winged Dinosaur May Have Used Its Feathers to Pin Down Prey

newly discovered winged raptor may have belonged to a lineage of dinosaurs that grew large after losing the ability to fly. But being grounded likely didn’t stop this sickle-clawed killer from making good use of its feathered frame—based on the fossilized bones, paleontologists think this raptor could have used the unusually long feathers on its arms as a shield or to help pin down squirming prey.