Dakotaraptor ruled Hell Creek Formation as lethal predator

SIOUX FALLS, S.D. — Tyrannosaurus rex may have been known as the big guy around the Hell Creek Formation 66 million years ago, but a newly discovered species of raptor would have roamed nearby as one of the region’s most lethal predators. Dakotaraptor stood 6 feet tall at the hips yet moved like a springy, […]