Paleontologists have unearthed the partial skeleton of an enantiornithine (opposite bird) that lived in what is now Utah approximately 75 million years ago (Late Cretaceous epoch). According to an analysis of the fossil, published in the journal PeerJ, Late Cretaceous enantiornithines were the aerodynamic equals of the ancestors of today’s birds, able to fly strongly and agilely. A reconstruction of Mirarce eatoni perched on the horns of the ceratopsian...
