Say hello to Aquilops americanus, the newest addition to the neoceratopsian family of horned dinosaurs. The diminutive creature, which was found in Montana, was no larger than a crow, sporting a beak-like nose and sharply pointed cavities on its cheeks.

Paleontologists working in southern Montana recently discovered a 3-inch beaked skull, which they believe is the oldest definitive evidence of a horned dinosaur in North America. The skull helps to fill gaps in the evolutionary history of horned creatures on this continent.

Find out more at the open-access science journal, PLOS One.

[ Via Discover Magazine ]

Image: Brian Engh, courtesy of Raymond M. Alf Museum of Paleontology