I used the AI Servo mode as this dog ran toward me. It did a fairly good job of tracking the subject using the 50mm f/1.8 lens. Of course at f1.8, it left a very shallow DOF.
Lobster
Octapus
Wild Ponies on Shakleford Banks in NC 2
Wild Ponies on Shakleford Banks in NC 1
Beach Dog
Cool Fish
Now I know that it's a trigger fish, thanks to Kutztown Bio!