Ancient Relative Of Ostriches Roamed North America 50 Million Years Ago
More than a decennium ago , fossil excavator unearthed the 50 - million - twelvemonth - old remains of a chicken - sized hoot in a former lakebed in Wyoming . Now , researcher let on that the unusually preserved fossils go to a never - before - date species . They named itCalciavis grandei , and it ’s related to modern - day ostrich , kiwis and emus . It was described in theBulletin of the American Museum of Natural Historylast calendar week ....