Tom Walsh: A 150-million-year-old bird fossil found in China had sharp teeth and a dinosaur-like cla…

A 150-million-year-old bird fossil found in China had sharp teeth and a dinosaur-like claw, but its body suggests it actually lived on the ground instead of flying. Scientists say this is the earliest known case of flight loss in birds, which challenges what we thought about bird evolution. Isn't it wild how early birds were so different from today's? 🦴