Colin Woodard: I think the average person imagines a pirate with a hook for a hand, a great big floppy hat, a blue waistcoat, and maybe even a peg leg, with a parrot on his shoulder. This ...

The pirate is not alone on his ship; he has his parrot with him. The pirate’s parrot is sitting on his shoulder. Although the two images are nearly identical, there are a total of 10 differences ...