This image obtained on May 5, 2015 courtesy of the Institute of Vertebrate Paleontology and Paleoanthropology in Bejing, shows a computer generated image of an Ornithuromorph, a specialized wading bird from the Early Cretaceous of China. Modern birds may have evolved six million years earlier than thought, said Chinese palaeontologists Wednesday after analysing the fossil remains of a previously unknown prehistoric relative. (Photo by Zongda Zhang/AFP Photo/Institute of Vertebrate Paleontology and Paleoanthropology)
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