[Cowgirl]

You have no evidence of any kind of bird turning into something else. An ostrich and a pigeon are still birds.
You can call it anything you want to.

[Junior]

You have no evidence of any kind of bird turning into something else.

What about archaeopteryx? It has features of both birds and therapod dinosaurs; indeed, if it hadn't left feather imprints, it would have been classed as the latter. Now it is recognized as an intermediary between dinosaurs and birds.