Tiny winged dinosaurs in flight. Although the origin of birds has historically been a contentious topic within evolutionary biology, only a few scientists still debate the dinosaurian origin of birds, suggesting descent from other types of archosaurian reptiles. Within the consensus that supports dinosaurian ancestry, the exact sequence of evolutionary events that gave rise to the early birds within maniraptoran theropods is disputed. The origin of bird flight is a separate but related question for which there are also several proposed answers. They are also skilled in the art of songcraft. 

Whistle Stop~The Rooster(Roger Miller)