This Dinosaur Probably Chirped Like a Bird
Scientists have discovered a dinosaur that might have chirped like a bird, a finding that suggests the evolutionary origins of birdsong may be far more ancient than we previously thought. In a paper published last week in the journal PeerJ, an international team of researchers describes a 163-million-year-old fossil found in northeastern China’s Hebei Province. The fossil dinosaur, which they’ve dubbed Pulaosaurus qinglong, measures just 28 inches (72 centimeters) and is largely complete, givin