yes they do......
but then
just a little warning if you are thinking of trying since some snakes will get addicted to the food item that they have eaten before. So if you feed your corn on a lizard once they might have to be on lizards for the rest of it's life.....and that would be much much more costly........but of course, there is this scenting thing....but it doesn't always work......
I wouldn't try lizards if it's already on mice.....
but just an advice....
Good luck and Happy Herping!