The Starbucks in the lobby of the Westin hotel made up a special drink just for Anthrocon, the Furryccino! I saw some other people's posts in which the drink itself looked different and they gave varying descriptions of the taste, which leads me to believe it doesn't have a particular recipe, per se. The one I had was very sweet and fruity, with flavors of blueberry and (I think) strawberry.
See the rest of my Anthrocon photos here!