For those of you wanting to get one of these for your yorkies for Christmas, but finding them out of stock, I found another place that has them and they are in stock. As far as I can tell, they are the same thing and only 11 cents more than the other site. Here it is:
http://www.pet-shop.net/html/plush.html
You have to scroll down to about the halfway mark to find the grunting rats and marmots.