Hope I Helped!
It sees its reflection in the window and is trying to get rid of its competition. It's that time of year.
Maybe they are just saying hello to eachother, I wouldn't be concerned unless you have cats
So for the past few days this red Cardinal bird has been flying by my house and lands on my window and pecks at them a few times a day as if it wants to get in my house. Why is it doing that? I have a green Quaker parrot as a pet so idk if that has to deal with it but seriously wtf
