Shot near Casselman, ON, at 500 mm.. 14_54_00 shows them on the ground, in the air, and above in formations that are about to reduce altitude to land. 14_50_32 is a Crop of a pic of them on the ground. Shot at 1/2500, 1/3200, and 1/5000. It lasted about 25 minutes, then they got scared away by people walking up close to them.