That is too funny. I work for a company that provide library automation software so I sent that site around here. The people here are going to love that!
Cute! Anne, they're marshmallow chicks that are usually put in Easter baskets, along with chocolate Easter bunnies, dyed eggs, filled chocolate eggs, etc..
And if you haven't already, you must look at the Peepsresearch site that is referenced on the first page of that link. I love it, and keep finding people who don't know about the classic peeps research.