A new genus and species of enantiornithine bird has been described from a partial right humerus found in southern Patagonia, Argentina. An artist’s impression of an enantiornithine bird. Image credit: Tiny Longwing / CC BY-SA 4.0. The newly-described bird species lived in Argentinian Patagonia during the Maastrichtian age of the latest Cretaceous, between 70 and 66 million years ago. Scientifically named Yatenavis ieujensis, the species was relatively...