The tern had just backed up after feeding it's fledgling and I caught this at the end of the burst. It's amazing how fast the wings must be going to blur the wing tips at 1/5,400 of a second.
Comments and suggestions welcome,
Morris
X-H2SXF500mmF5.6 R LM OIS WR lens500mmf/5.61/5400s800 ISO-0.7 EV