Fig. 4

Cladogram or diagram depicting the genealogical relationships among the main lineages of premodern birds and some lineages of nonavian maniraptoran dinosaurs. The known fossil record of these groups is also highlighted. The concept of a dove as a living dinosaur—because they share a common descent—may seem bizarre, but, in reality, it is just as logical as the argument that humans are primates because we evolved from primates