149-Million-Year-Old Fossil Pushes Origins of Birds to the Jurassic Period
[html]Pinpointing when birds diverged co*pletely from dinosaurs has long remained a paleontological mystery.[/html]
Source: 149-Million-Year-Old Fossil Pushes Origins of Birds to the Jurassic Period (http://ht**://www.discovermagazine.c**/the-sciences/149-million-year-old-fossil-pushes-origins-of-birds-to-the-jurassic-period)