That sounds interesting. I had no idea Italians ate them.
I think chicken livers (fegato di pollo) are fairly common in Italy. I've had them in Tuscany, commonly as a spread on toasty bread. Also, there's a northern Italian restaurant in Boston called Davio's that serves crispy chicken livers with a port/balsamic glaze that are so good, they could convert a liver hater.
I just saw that Davio's has a Philadelphia branch! South 17th Street. Highly recommended.
BTW, Milo, after reading your ambitious list of exotica, I'm wondering how your cholesterol is!