Again and again, delirious from lack of sleep, sitting in the kitchen or standing in the lamplit barn, he lifted the fat and frightened hawk onto his fist reciting it passages from Hamlet, Macbeth, Richard II, Othello – ‘but the tragedy had to be kept out of the voice’ – and all the sonnets he could remember, whistling hymns to it, playing it Gilbert and Sullivan and Italian opera, and deciding, on reflection, that hawks liked Shakespeare best.