A bird keep coming to my upstairs department porthole and looks surrounded by and sings to me.?

I closed the blind and it came on the other side. I thought it was looking at its reflection but it seem like if it can't see me it moves to a window minus the shade down. It comes everyday and stays all day. Sometimes it flies into the window, seemingly trying to get hold of in. If I move around the room it will fly from the branch next to the windowpane to the window's ledge again seemingly to see where I went. Does anyone own any explanation for this behavior?
lucky you! not to burst your bubble, but is it cold/dry there? maybe the bird is looking for food or water.

unscrew the window, put some birdseed and a dish of water on the ledge and see what happen. be prepared to have a bird in the house. the best things in life span are free.
I hold more of a 'not' answer, but your question is interesting.
Symbolically, birds represent the end times with admiration to the world.
The owl represents a person's death.
What your bird means is up to you to decide.
I do not expect it is a former loved one trying to make contact with you.
Maybe you have a curious bird on your hand...
Answers:    Looks like you have a fan...or I don`t know it is an old boyfriend who has come back as a bird.
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