I've seen lorikeets do this outside my home. I've also seen cockatoos do a couple of screaming barrel rolls for seemingly no reason in their fly byes. I think t

I've seen lorikeets do this outside my home. I've also seen cockatoos do a couple of screaming barrel rolls for seemingly no reason in their fly byes. I think they just like to have a little fun. Alternatively the lorikeet was looking for something to swoop down at.