Are birds lizards hipped?
Are birds lizards hipped? Saurischians and ornithischians are the two groups of dinosaur, defined in terms of pelvic structure. Confusingly, many scientists believe that modern birds are actually evolved from a group of lizard-hipped dinosaurs called coelurosaurs, which evolved the bird hip in an example of parallel evolution. Was Triceratops lizard-hipped or bird-hipped? The lizard-hipped […]