When Did Birds and Crocodiles Last Share a Common Ancestor
Around 230 million years ago you wouldnt have been able to tell the difference between the two different lineages. When did birds and crocodiles last share a common ancestor. Ancestor Of Crocodiles Birds Dinosaurs Evolution Crocodiles Gharial The common ancestor of birds and crocodiles are the archosaurs and they existed about 250 million years ago. . 250 million years ago 2. A new study of crocodilian. University of California Museum of Paleontology. This is because birds and crocodilians which includes alligators caiman and gharials are part of a much larger group called Archosauria or ruling lizards which means they share a common ancestor far back in time. 250 million years ago What types of evidence do scientist examine as they make hypothesis about. According to the Shieldcroc model its about 99 millions years ago. Crocodiles are the closest living relatives of birds sharing a common ancestor that li...