Paleontologists have found the fossilized remains of the extinct deer species Eocoileus gentryorum at the Early Pliocene Gray Fossil Site of northeastern Tennessee, the United States. The specimens are among the oldest records of the deer family in North America and are the only pre-Pleistocene records of deer from the Appalachian Highlands. The white-tailed deer (Odocoileus virginianus nelsoni) female in Belize. Image credit: Charles J. Sharp / CC...
