(Researchers merged genetic data from 9,239 bird species)
Proof that Dinosaurs coexist with us.
Some dinosaurs had feathers. So maybe dinosaurs need to be divided between feathered and unfeathered.
Of course there were two major orders of dinosaurs and birds are descended from one of them only.
An ancient Greek philosopher defined "man" as "a featherless biped with broad nails." So have to make sure none of the featherless dinosaurs had broad nails, or the definition of human beings will need to be further refined.