A 52-million-year fossil of a "perching bird" has been found in Wyoming with its feathers still attached, a discovery that "no one's ever seen before." Also known as passerines, the perching bird was discovered in Fossil Lake, WY. Passerines are well-known for eating seeds, as most modern-day birds do and account for approximately 65 percent of the 10,000 different species of birds alive today. "This is one of the earliest known perching birds. It's fascinating because passerines today make up most of all bird species, but they were extremely rare back then. This particular piece is just exquisite," said Field...