That's right. Just like current macOS is not "Unix-like" or a descendant of Unix, but an actual Unix operating system, modern birds are actual dinosaurs. Wikip

That's right. Just like current macOS is not "Unix-like" or a descendant of Unix, but an actual Unix operating system, modern birds are actual dinosaurs. Wikipedia quote: Birds are feathered theropod dinosaurs and constitute the only known living dinosaurs.