Calciavis grandei Directory References Discover Nostradamus and His Prophecies Did Duchess Anastasia Survive Her Family’s Execution? What Comes After Terabyte? 10 Great Sports Rivalries 15 Nelson Mandela Quotes 7 Deadliest Weapons in History The World’s 5 Most Commonly Used Writing Systems Contents Calciavis grandei fossil bird Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:evolution of ostriches In ostrich…ostriches belong to the species Calciavis grandei, which were excavated from the Green River Formation in Wyoming and date to the Eocene Epoch, some 56 million to 34 million years ago.Read More
