The speed the male shoots out of the hole in nesting box is hard to capture as you don't know when its going to happen... You see the beak and then be prepared... kind of fun....
Nikon D800
,Nikon’s 200-400mm f4 G VR AF-S IF ED Zoom Lens. 1/1600s f/9.0 at 220.0mm iso1000
full exif