Scientists are thinking that the world’s oldest bird may not really be a bird after all. Paleontologists have long considered the archaeopteryx the world’s oldest bird. Fossilized remains were discovered in 1861, revealing an ancient animal with the feathers and wings of a bird, but the tail and teeth of a dinosaur. Classified as an avian, their status is now in doubt thanks to new research conducted by scientists at China’s Linyi University. As reported by the Guardian,... [read more]