I am being stalked by a strange blue tit. He flies up to the window when I walk into various rooms in the house and flutters up and down in front of the window a few times before flying off. This will happen in several rooms on several occasions.
We noticed recently that he also sits in front of the wing mirror on the car, tapping it with his bill and fluttering in front of the mirror.
Anyone else seen this sort of behaviour?