You got pretty close to this one. Nice head turn and catch light in the eye. I would have preferred more room below the bird and less above. Also, a little higher ISO setting if you wanted to keep your shutter speed and a higher f number for having a better DOF TFS.
Hi John, lovely pose from the Tern, and it looks like you were too close due to the lack of DOF. I agree about more space below, and the top is fine. I may be wrong, but the critical focus looks like it is on the sand, just to the right of the foot.