 I encouraged him. Again he began to jam, whipping about feverishly on my hand. Again I encouraged him. Finally he became so wrapped up in impressing me with his athleticism he lost his grip and fell four feet to the floor. He hopped to his feet straight away and hooted to be picked up. Laughing, I retrieved the bird and held him near my face to examine him for injury. He was fine, but took my laughter for approval, bobbed up and down a bit, and then launched himself off my hand again.