Black-headed Gull

When the skies cleared at the weekend I took an hour out to shoot some Black-headed Gulls in flight. I adore these tiny packages of energy and pluck, but they can be tricky to capture on the wing. Constantly darting, diving, wheeling and twisting, I tend to download the CF card to find I have three-quarters of the bird in frame (see image three below) or a compelling head shot, but the rest of the bird missing. The key, I've learned, is not to fall into the trap of trying to fill the viewfinder. Instead, I pull out a little and let the Canon's full-frame sensor provide enough scope to crop in later in Photoshop.

Canon 1DS MkII, 1/800 sec, f14, 236mm at ISO 400