He yelps and rears and flaps his wings in startlement, causing considerable disturbance to the water and nearby greenery.

"Oh my goodness!" he says. "You're a centaur! Are you a centaur? You look like a centaur. You don't have any wings, so you can't be a winged horse." Over the course of this somewhat confused pronouncement, he calms down enough to get all four hooves on the ground and his wings folded neatly on his back.