That's a boxwood just outside the window. Last summer a screech owl took up residence there for a while. From where he perched he could see his reflection in the window and every once in a while he would completely lose it and ferociously attack his reflection. After a few minutes of slamming into the screen he would give up for a few days. Then he would attack again. Finally he gave up for good and left. I was sad to see him go, but it was probably for the best. Now, if that damn jay that spends most of his summer attacking the living room window would follow him....