Back in March I visited Troupe Head RSPB reserve up in Scotland. There I spent a large amount of my time there trying to get nice shots of the Fulmars.
They are fast moving birds, but in good light the K-5 Autofocus did alright and I got some nice shots, icluding this pair chasing each other.
The came Auto focus and my tracking struggled a bit with the fast moving birds closer in, but I managed a couple of nice shots, the first image in this post and this one:
Time well spent. Those are great shots and remind me that I must get out to our local cliffs.