No, we define dinosaurs "as the group consisting of Triceratops, Neornithes [modern birds], their most recent common ancestor, and all descendants" (Benton, via

No, we define dinosaurs "as the group consisting of Triceratops, Neornithes [modern birds], their most recent common ancestor, and all descendants" (Benton, via http://en.wikipedia.org/wiki/Dinosaur http://en.wikipedia.org/wiki/Dinosaur). And to answer the GP: yes, many small dinosaurs did in fact survive until today. You can hear them singing in the big blue room behind your office window in spring and summer.