This is one of a 5 shot series in rapid fire mode (5 frames/second) they all turned out tack sharp.
The shots were taken at Port Vincent over on York Peninsula, 3pm on the day. The Tern flew along the coast in front of me. PP, cropped only.
Nikon D500
Sigma 150-600mm
Hand held
1/1250 sec
F9
ISO 400
Manual