Birds came from a line of reptiles.
And the proof? None at all. I have been asking for proof of such macro-evolution for over a year on these threads - and have yet to see it. All you do is repeat the same mantra - just like the Communists and the Nazis repeated the same lies on and on hoping people would believe them to be true. Prove it instead of constantly asserting that evolution is true because the facts must fit evolution.