The earliest dromaeosaurid theropod from South America

Sickle-clawed predatory dinosaurs, known as dromaeosaurids, are close relatives of birds. Until a decade ago, members of this group such as Velociraptor were known only from northern continents, but a few fragmentary specimens have been found in the Southern Hemisphere in recent years. The cover shows a life reconstruction of Buitreraptor gonzalezorum, a newly discovered dromaeosaurid from La Buitrera in Patagonia, which is known from a nearly...