By Gerald Mayr, Senckenberg Research Institute and Natural History Museum in Frankfurt Linked paper: Extinct crane-like birds (Eogruidae and Ergilornithidae) from the Cenozoic of Central Asia are indeed ostrich precursors by Gerald Mayr & Nikita Zelenkov, Ornithology. Until now, the early evolutionary history of ostriches was largely unknown. Together with my colleague Nikita Zelenkov from …