The first part of the trip was largely uneventful, except for the insults shouted back and forth between Legolas and Gimli. After a few hours of this, Gandalf turned and scowled at them. the abruptly fell silent, staring at him, then at each other.
Gandalf shouted something at them, but it was lost on the wind. With one look at the looks on the faces of Legolas and Gimli told him that they had not heard. He leaned over to try again, when another gust of wind came up. Losing his balance, he fell. Gwaihir gave an angry cry of pain as Gandalf grabbed at his tail feathers.
The other eight members of the Fellowship found themselves staring at him. An irritated look came over his face as he looked at them all. “I cannot fly, you fools!” Then he let go. And he fell out of sight.