On the occasions when they have pushed to shore an unconscious human being they have much more likely done it out of curiosity or for sport, as in riding the bow waves of a ship.

On the occasions when they have pushed to shore an unconscious human being they have much more likely done it out of curiously or for sport, as in riding the bow waves of a ship.

I will always remember the thrill of catching a wave on a boogie board for the first time, then riding it all the way into shore.