Why Is This Gator Smiling?


Alligators have been around a really, really long time. Fossils of Alligator prenalis date to the late Eocene; call it 35 million years ago. They are nearly indistinguishable from modern Alligator mississippiensis. And their reptilian ancestors, of course, trace back to the Jurassic. Humankind has been around about 300,000 years, less than a hundredth of…