>>16209134>bird legsIf you still do not realize, Archeops is based on an Archaeopteryx, one of the earliest examples of an avialae dinosaur. They are so close to other tetrapod dinosaurs, such as the deinonychus, velociraptor and troodon, that they still keep some features of them, such as the skeletal composition. That's why Archeops has legs that don't resemble birds.