THUNK! There it is again, slamming into the screen. I don't know why it's doing this. That window is covered by blackout curtains, so it's not like it's going after something it wants. Also, given the fact that it won't stop, it's apparently doing this on purpose.
This is how horror movies start, so I can only conclude that I've been given my own Netflix series.
@green
I thought that, too, but there's a screen covering the outside of the window. Bird vision is weird, so maybe it can't actually see the screen, but I don't know. Sure, we get birds flying into our windows every so often, but it's an accident
-- HE'S AT IT AGAIN! THUNK THUNK THUNK! --
on their part. It'll happen once, and that's it. This little guy is at it non-stop.
Also, there's no vocalization, so he's not angrily yelling at the possible enemy bird.