For three days now this female #cardinal has been attacking our windows. Not full on slamming against the windows in a way that would hurt it - just walking back & forth at the bottom, tapping its beak, and then flying up to the top fluttering and dropping back down. Over and over. I read that this is not that unusual, a response to seeing its reflection as a competitor/intruder. It’s a bit unnerving but not sure how to get it to stop.