The oldest flying squirrel fossil ever found has unearthed new insight on the origin and evolution of these airborne animals.
Writing in the open-access journal eLife, researchers from the Institut CatalĂ de Paleontologia Miquel Crusafont (ICP) in Barcelona, Spain, described the 11.6-million-year-old fossil, which was discovered in Can Mata landfill, approximately 40 kilometers outside the city.
"Due...