If you’ve ever had nightmares after watching Alfred Hitchcock’s movie entitled ‘The Birds,’ then the video below is most likely going to make you feel really, really uncomfortable. In it, a woman who was enjoying a day out riding her bike suddenly gets attacked by a massive bird that seems determined to get her. The video was taken in Australia, and that nightmarish bird you see in the clip is a magpie. These birds are extremely territorial and will dive-bomb anyone who comes near their territory. Apparently, these kinds of incidents happen all the time in areas where magpies live.