Surprise!

Kayakers in Port San Luis, California were watching gulls diving after fish when a humpback whale decided to join in the fun. While this pair of kayakers was unscathed, according to reports another pair nearby were knocked out of their boats by the whale.
Check out more spectacular pictures like the one on the left taken by Bill Bouton here. He reported on flickr that he was "...sitting in my car, parked along the shoulder of the road overlooking the beach. My car door was open and my tripod was on the ground. Thank goodness I had my tripod." He spent 90 minutes taking pictures.