These bad boys and girls are very, very aggressive when denied their place at the buffet table...they noisily let all know they are unhappy, stand around the grassy area and try to intimidate those feeding, and when that doesn't work they start the swooping and fighting when they land in an attempt to dislodge the former bird from his or her supper plate...they just came up out of the blue...and are acting like they are at auditions for the movie, "The Birds III." If you hit the URL that appears below the bird posts it will take you to a short avi I took also...and BD, don't laugh...I admit I am still not smarter than the camera and don't know how to shut it off cleanly and in a timely fashion...;-)!