New Cretaceous fossil sheds light on avian reproduction
(PHYSorg.com Archaeology & Fossils)

A team of scientists led by Alida Bailleul and Jingmai O`Connor from the Institute of Vertebrate Paleontology and Paleoanthropology (IVPP) of the Chinese Academy of Sciences reported the first fossil bird ever found with an egg preserved inside its body. Their findings were published on March 20 in Nature Communications.