Dinosaurs Feathered Raptors Dinosaur FiguresUtahraptor, velociraptor and microraptor were feathered raptors. Dinosaur researchers found quills on the arms of a velociraptor, even flight feathers on microraptor. They believe that utahraptor had feathers too. However, none of the three was actually able to fly. Fun fact microraptor weighed at most one kilogram, utahraptor around 500 kilograms. Features premium quality motif: feathered raptors utahraptor has a moveable lower jaw and moving arms