Squirrel nutters
In the recently released film Charlie and the Chocolate Factory, based on the book by Roald Dahl, real, rather than virtual, squirrels had to be trained to crack nuts to order for one particular scene – see news.bbc.co.uk/1/hi/magazine/4702653.stm for further information. Cracking good stuff! We are also reliably infomed that the film is very good.