M0966 (not in Perry). Source: Desbillons 6.21 (adapted into prose). This fable is not in Perry’s catalog; it appears original to Desbillons, as he cites no source. For another fable about nuts and their shells, see the traveler who tricked Mercury, #788. For other examples of the wrong lesson learned, see the story of the timid starling, #421, or the story of the seagull and the stars, #481.