"That does seem like it might be a problem if you were to turn into a fish!" he exclaims. "And you couldn't swim."

But then he continues with the lesson, extending his wing. "Mostly, birds will use their tails to guide which direction to go, but you'll have to use your feet, so make sure not to move them too much. And to glide..."

He points his wings downward a bit. "The air goes over, like this, so you don't have to keep flapping."