Let me first begin by saying that I'm using UFO in its correct technical use: Unidentified Flying Object
https://www.indiatimes.com/sports/plane-...ago-332611.html
So, Delta says it was a bird. Allegedly, this happened at cruising altitude. A bird? At that height? In the middle of the night? Really?
No, I'm not saying it was space aliens, but that doesn't look like damage from a bird to me. That nose is caved in, in a major way.